12KV ZW20Z-12 series outdoor high voltage vacuum circuit breaker

Specifications

SPECIFICATION

ZW20Z-12 series of outdoor high voltage vacuum circuit breaker for a period of 12KV, rated voltage of the three-phase ac 50HZ, outdoor power distribution system. It uses a vacuum arcing and SF6 gas as insulating medium, is ZW20-12 type vacuum circuit breaker of the improvement of products.Cabinet adopted the inreoduction of Japanese Toshiba VSP5 gas seal technology, explosion-proof, insulating structure, sealing performance improvements were made into the outlet conduit also, the overall sealing performance is good, internal filling of SF6 gas not leakage, is not affected by the environment; the miniaturization of spring operating mechanism, optimization reliability and stability, the main drive chain and multilevel blurted out of moving system, operating reliability and stability than the domestic traditional spring operating mechanism for improvement of the several times; contacts between the main shaff and the sleeve with a loop-type bracelet adduction flared structure, the contact resistance of the main circuit, low temperature rise.So, ZW20Z-12 outdoor column on vacuum circuit breaker is a maintenance- free product. Is that the column on circuit breaker in the best.

ZW20Z-12,ZW20-12 also increased the over-current protection, institutional spring energy storage instruction, and equipped with air outlet for secondary electrical connection, easy to be combined with intelligent controller.

MODEL IMPLICATION 

TECHNICAL SPECIFICATION

OVERALL DIMENSION