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Power contactor, AC-3 65 A, 30 kW / 400 V 1 NO + 1 NC, 230 V AC 50/60 Hz, 3-pole Size S2, screw terminals
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product brand name
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SIRIUS
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product designation
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Power contactor
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product type designation
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3RT2
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General technical data
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size of contactor
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S2
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product extension
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● function module for communication
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No
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● auxiliary switch
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Yes
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power loss [W] for rated value of the current
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● at AC in hot operating state
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11.4 W
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● at AC in hot operating state per pole
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3.8 W
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● without load current share typical
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17.2 W
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insulation voltage
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● of main circuit with degree of pollution 3 rated value
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690 V
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● of auxiliary circuit with degree of pollution 3 rated value
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690 V
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surge voltage resistance
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● of main circuit rated value
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6 kV
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● of auxiliary circuit rated value
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6 kV
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maximum permissible voltage for safe isolation between coil and main contacts according to EN 60947-1
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400 V
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shock resistance at rectangular impulse
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● at AC
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11.8g / 5 ms, 7.4g / 10 ms
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shock resistance with sine pulse
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● at AC
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18.5g / 5 ms, 11.6g / 10 ms
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mechanical service life (switching cycles)
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● of contactor typical
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10 000 000
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● of the contactor with added electronically optimized auxiliary switch block typical
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5 000 000
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● of the contactor with added auxiliary switch block typical
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10 000 000
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reference code according to IEC 81346-2
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Q
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Substance Prohibitance (Date)
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10/01/2014
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Ambient conditions
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installation altitude at height above sea level maximum
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2 000 m
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ambient temperature
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● during operation
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-25 ... +60 °C
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● during storage
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-55 ... +80 °C
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relative humidity minimum
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10 %
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relative humidity at 55 °C according to IEC 60068-2-30 maximum
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95 %
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Main circuit
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number of poles for main current circuit
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3
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number of NO contacts for main contacts
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3
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operating voltage
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● at AC-3 rated value maximum
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690 V
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● at AC-3e rated value maximum
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690 V
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operational current
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● at AC-1 at 400 V at ambient temperature 40 °C rated value
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80 A
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● at AC-1
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— up to 690 V at ambient temperature 40 °C rated value
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80 A
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— up to 690 V at ambient temperature 60 °C rated value
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70 A
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● at AC-3
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— at 400 V rated value
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65 A
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— at 500 V rated value
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65 A
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— at 690 V rated value
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47 A
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● at AC-3e
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— at 400 V rated value
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65 A
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— at 500 V rated value
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65 A
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— at 690 V rated value
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47 A
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● at AC-4 at 400 V rated value
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55 A
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● at AC-5a up to 690 V rated value
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70.4 A
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● at AC-5b up to 400 V rated value
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53.9 A
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● at AC-6a
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— up to 230 V for current peak value n=20 rated value
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56.9 A
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— up to 400 V for current peak value n=20 rated value
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56.9 A
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— up to 500 V for current peak value n=20 rated value
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56.9 A
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— up to 690 V for current peak value n=20 rated value
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47 A
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● at AC-6a
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— up to 230 V for current peak value n=30 rated value
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38 A
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— up to 400 V for current peak value n=30 rated value
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38 A
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— up to 500 V for current peak value n=30 rated value
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38 A
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— up to 690 V for current peak value n=30 rated value
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38 A
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minimum cross-section in main circuit at maximum AC-1 rated value
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25 mm²
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operational current for approx. 200000 operating cycles at AC-4
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● at 400 V rated value
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28 A
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● at 690 V rated value
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22 A
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operational current
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● at 1 current path at DC-1
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— at 24 V rated value
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55 A
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— at 110 V rated value
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4.5 A
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— at 220 V rated value
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1 A
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— at 440 V rated value
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0.4 A
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— at 600 V rated value
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0.25 A
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● with 2 current paths in series at DC-1
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— at 24 V rated value
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55 A
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— at 110 V rated value
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45 A
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— at 220 V rated value
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5 A
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— at 440 V rated value
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1 A
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— at 600 V rated value
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0.8 A
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● with 3 current paths in series at DC-1
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— at 24 V rated value
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55 A
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— at 110 V rated value
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55 A
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— at 220 V rated value
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45 A
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— at 440 V rated value
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2.9 A
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— at 600 V rated value
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1.4 A
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● at 1 current path at DC-3 at DC-5
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— at 24 V rated value
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35 A
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— at 110 V rated value
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2.5 A
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— at 220 V rated value
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1 A
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— at 440 V rated value
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0.1 A
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— at 600 V rated value
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0.06 A
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● with 2 current paths in series at DC-3 at DC-5
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— at 24 V rated value
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55 A
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— at 110 V rated value
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25 A
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— at 220 V rated value
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5 A
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— at 440 V rated value
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0.27 A
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— at 600 V rated value
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0.16 A
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● with 3 current paths in series at DC-3 at DC-5
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— at 24 V rated value
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55 A
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— at 110 V rated value
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55 A
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— at 220 V rated value
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25 A
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— at 440 V rated value
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0.6 A
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— at 600 V rated value
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0.35 A
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operating power
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● at AC-2 at 400 V rated value
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30 kW
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● at AC-3
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— at 230 V rated value
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18.5 kW
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— at 400 V rated value
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30 kW
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— at 500 V rated value
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37 kW
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— at 690 V rated value
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37 kW
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● at AC-3e
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— at 230 V rated value
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18.5 kW
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— at 400 V rated value
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30 kW
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— at 500 V rated value
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37 kW
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— at 690 V rated value
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37 kW
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operating power for approx. 200000 operating cycles at AC-4
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● at 400 V rated value
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14.7 kW
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● at 690 V rated value
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20 kW
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operating apparent power at AC-6a
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● up to 230 V for current peak value n=20 rated value
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22.6 kVA
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● up to 400 V for current peak value n=20 rated value
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39.4 kVA
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● up to 500 V for current peak value n=20 rated value
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49.2 kVA
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● up to 690 V for current peak value n=20 rated value
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56.1 kVA
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operating apparent power at AC-6a
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● up to 230 V for current peak value n=30 rated value
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15.1 kVA
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● up to 400 V for current peak value n=30 rated value
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26.2 kVA
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● up to 500 V for current peak value n=30 rated value
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32.8 kVA
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● up to 690 V for current peak value n=30 rated value
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45.3 kVA
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short-time withstand current in cold operating state up to 40 °C
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● limited to 1 s switching at zero current maximum
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1 055 A; Use minimum cross-section acc. to AC-1 rated value
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● limited to 5 s switching at zero current maximum
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730 A; Use minimum cross-section acc. to AC-1 rated value
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● limited to 10 s switching at zero current maximum
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520 A; Use minimum cross-section acc. to AC-1 rated value
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● limited to 30 s switching at zero current maximum
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336 A; Use minimum cross-section acc. to AC-1 rated value
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● limited to 60 s switching at zero current maximum
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272 A; Use minimum cross-section acc. to AC-1 rated value
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no-load switching frequency
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● at AC
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5 000 1/h
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operating frequency
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● at AC-1 maximum
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800 1/h
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● at AC-2 maximum
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400 1/h
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● at AC-3 maximum
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700 1/h
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● at AC-3e maximum
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700 1/h
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● at AC-4 maximum
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200 1/h
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Control circuit/ Control
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type of voltage of the control supply voltage
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AC
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control supply voltage at AC
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● at 50 Hz rated value
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230 V
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● at 60 Hz rated value
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230 V
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operating range factor control supply voltage rated value of magnet coil at AC
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● at 50 Hz
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0.8 ... 1.1
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● at 60 Hz
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0.85 ... 1.1
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apparent pick-up power of magnet coil at AC
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● at 50 Hz
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210 VA
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● at 60 Hz
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188 VA
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inductive power factor with closing power of the coil
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● at 50 Hz
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0.69
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● at 60 Hz
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0.65
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apparent holding power of magnet coil at AC
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● at 50 Hz
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17.2 VA
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● at 60 Hz
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16.5 VA
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inductive power factor with the holding power of the coil
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● at 50 Hz
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0.36
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● at 60 Hz
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0.39
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closing delay
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● at AC
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10 ... 80 ms
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opening delay
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● at AC
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10 ... 18 ms
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arcing time
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10 ... 20 ms
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control version of the switch operating mechanism
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Standard A1 - A2
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Auxiliary circuit
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number of NC contacts for auxiliary contacts instantaneous contact
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1
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number of NO contacts for auxiliary contacts instantaneous contact
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1
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operational current at AC-12 maximum
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10 A
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operational current at AC-15
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● at 230 V rated value
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10 A
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● at 400 V rated value
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3 A
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● at 500 V rated value
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2 A
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● at 690 V rated value
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1 A
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operational current at DC-12
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● at 24 V rated value
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10 A
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● at 48 V rated value
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6 A
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● at 60 V rated value
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6 A
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● at 110 V rated value
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3 A
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● at 125 V rated value
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2 A
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● at 220 V rated value
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1 A
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● at 600 V rated value
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0.15 A
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operational current at DC-13
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● at 24 V rated value
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10 A
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● at 48 V rated value
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2 A
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● at 60 V rated value
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2 A
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● at 110 V rated value
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1 A
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● at 125 V rated value
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0.9 A
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● at 220 V rated value
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0.3 A
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● at 600 V rated value
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0.1 A
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contact reliability of auxiliary contacts
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1 faulty switching per 100 million (17 V, 1 mA)
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UL/CSA ratings
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full-load current (FLA) for 3-phase AC motor
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● at 480 V rated value
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65 A
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● at 600 V rated value
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52 A
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yielded mechanical performance [hp]
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● for single-phase AC motor
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— at 110/120 V rated value
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5 hp
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— at 230 V rated value
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10 hp
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● for 3-phase AC motor
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— at 200/208 V rated value
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20 hp
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— at 220/230 V rated value
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20 hp
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— at 460/480 V rated value
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50 hp
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— at 575/600 V rated value
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50 hp
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contact rating of auxiliary contacts according to UL
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A600 / P600
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Short-circuit protection
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design of the fuse link
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● for short-circuit protection of the main circuit
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— with type of coordination 1 required
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gG: 250 A (690 V, 100 kA), aM: 160 A (690 V, 100 kA), BS88: 200 A (415 V, 80 kA)
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— with type of assignment 2 required
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gG: 125A (690V,100kA), aM: 63A (690V,100kA), BS88: 100A (415V,80kA)
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● for short-circuit protection of the auxiliary switch required
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gG: 10 A (500 V, 1 kA)
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Installation/ mounting/ dimensions
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mounting position
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+/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface
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fastening method
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screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715
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● side-by-side mounting
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Yes
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height
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114 mm
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width
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55 mm
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depth
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130 mm
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required spacing
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● with side-by-side mounting
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— forwards
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10 mm
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— upwards
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10 mm
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— downwards
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10 mm
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— at the side
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0 mm
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● for grounded parts
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— forwards
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10 mm
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— upwards
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10 mm
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— at the side
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6 mm
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— downwards
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10 mm
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● for live parts
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— forwards
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10 mm
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— upwards
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10 mm
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— downwards
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10 mm
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— at the side
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6 mm
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Connections/ Terminals
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type of electrical connection
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● for main current circuit
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screw-type terminals
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● for auxiliary and control circuit
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screw-type terminals
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● at contactor for auxiliary contacts
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Screw-type terminals
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● of magnet coil
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Screw-type terminals
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type of connectable conductor cross-sections
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● for main contacts
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— solid or stranded
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2x (1 ... 35 mm²), 1x (1 ... 50 mm²)
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— finely stranded with core end processing
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2x (1 ... 25 mm²), 1x (1 ... 35 mm²)
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● at AWG cables for main contacts
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2x (18 ... 2), 1x (18 ... 1)
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connectable conductor cross-section for main contacts
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● finely stranded with core end processing
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1 ... 35 mm²
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connectable conductor cross-section for auxiliary contacts
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● solid or stranded
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0.5 ... 2.5 mm²
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● finely stranded with core end processing
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0.5 ... 2.5 mm²
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type of connectable conductor cross-sections
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● for auxiliary contacts
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— solid or stranded
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2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
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— finely stranded with core end processing
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2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
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● at AWG cables for auxiliary contacts
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2x (20 ... 16), 2x (18 ... 14)
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AWG number as coded connectable conductor cross section
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● for main contacts
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18 ... 1
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● for auxiliary contacts
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20 ... 14
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Safety related data
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product function
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● mirror contact according to IEC 60947-4-1
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Yes
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● positively driven operation according to IEC 60947-5-1
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No
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B10 value with high demand rate according to SN 31920
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1 000 000
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proportion of dangerous failures
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● with low demand rate according to SN 31920
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40 %
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● with high demand rate according to SN 31920
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73 %
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failure rate [FIT] with low demand rate according to SN 31920
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100 FIT
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protection class IP on the front according to IEC 60529
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IP20
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touch protection on the front according to IEC 60529
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finger-safe, for vertical contact from the front
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suitability for use
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● safety-related switching OFF
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Yes
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Certificates/ approvals
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Downloads and manuals
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Further information
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Information- and Downloadcenter (Catalogs, Brochures,…)
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Industry Mall (Online ordering system)
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Cax online generator
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Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
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Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
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Characteristic: Tripping characteristics, I²t, Let-through current
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Further characteristics (e.g. electrical endurance, switching frequency)
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last modified:
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2/15/2022
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Date
5/2/2022
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Subject to change without notice
© Copyright Siemens 2022
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