Note: Plateau type i-AX switchgear can be used in places with altitude of 4000m.
* Choose the most popular aluminium alloy profile in China.
* The main bus can be made of aluminium alloy (24kV i-AX).
* Modular design concept;
* It can be equipped with EVH series, ZN63A, VD4, ISM and VEP vacuum circuit breakers.
JCZR 16-7.2/12 and other combined electrical appliances;
* The electrically operated execution unit can be selected to realize the electric operation of the handcart's access and grounding switch.
* Intelligent control equipment which integrates primary system and secondary protection can be assembled.
* It can be equipped with traditional current and voltage transformers or new current and voltage sensors.
| Items | unit | data | ||||
| Rated voltage | kV | 7.2 | 12 | 12（高原） | 24 | |
| Rated insulation level | 1 min power frequency withstand voltage | kV | 32 | 42 | 60 | 65 |
| Lightning impulse voltage (full wave) | kV | 60 | 75 | 109 | 125 | |
| Rated Frequency | Hz | 50 | 50、60 | |||
| Rated current | A | …3150 | …3150 | …3150 | ||
| 315A* | 160A* | |||||
| Rated short-term withstand current (4s) | kA | …40、…4* | …40 | 25、31.5 | ||
| Rated peak tolerable current | kA | …130、…10* | …130 | 63、80 | ||
| Protection Level | 外壳IP4X，断路器室门打开为IP2X | |||||
| Altitude | m | ≤1000 | ≤4000 | ≤1000 | ||
| *为i-AX(J.R)开关柜配JCZR16-7.2/12Parameters of Combination Electrical Appliances | ||||||
