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Connection technology
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CAGE CLAMP®
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Actuation type
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Operating tool
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Connectable conductor materials
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Copper
Aluminum
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Connectable conductor materials (note)
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Terminating Aluminum Conductors
WAGO spring clamp terminal blocks are suitable for solid aluminum conductors up to 4 mm²/12 AWG if WAGO “Alu-Plus” Contact Paste 249-130 is used for termination.
“Alu-Plus” Contact Paste Advantages:
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Automatically destroys the oxide film during clamping.
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Prevents fresh oxidation at the clamping point.
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Prevents electrolytic corrosion between aluminum and copper conductors (in the same terminal block).
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Provides long-term protection against corrosion.
Using terminal blocks with CAGE CLAMP® Spring Pressure Connection Technology, aluminum conductors must first be cleaned with a blade and then immediately be inserted into the clamping units filled with “Alu-Plus” Contact Paste.
It is also possible to apply WAGO “Alu-Plus” additionally on the whole surface of the aluminum conductor before termination.
Please note that the nominal currents must be adapted to the reduced conductivity of the aluminum conductors::
2.5 mm² = 16 A
4 mm² = 22 A
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Solid conductor
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0.08 … 4 mm² / 28 … 12 AWG
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Fine-stranded conductor
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0.08 … 4 mm² / 28 … 12 AWG
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Strip length
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9 … 10 mm / 0.35 … 0.39 inches
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Wiring direction
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Front-entry wiring
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