►Overview

CKFZ-12/630-20 indoor high-voltage AC vacuum load switch (hereinafter referred to as "load switch") and CKFZR-12D/T125-31.5 vacuum load switch fuse combination device (hereinafter referred to as "combination device") are indoor high-voltage distribution switches with three-phase AC 50Hz and rated voltage of 12kV developed by Comking in combination with advanced technology. They can be used for industrial and mining enterprises, high-rise buildings, residential communities, campuses, hospitals, docks, and other power distribution systems are used as indoor three-phase ring network power supply equipment or terminal power supply equipment.

►Product features

1.Stable insulation performance：Vacuum bubble installed inside the ring network resin insulation cylinder.
2.High protection level：Interlocking mechanism, automatically meeting the "five prevention" requirements.
3.Good suitability：Vacuum switch, capable of breaking 20kA short-circuit current, combined with protective devices, can achieve various protection functions.
4.Safe and stable：Load switch and cabinet door mechanical interlocking, with obvious disconnection points and high breaking capacity. 

►Technical parameter

Note: H represents a vacuum switch with high breaking capacity