VD4-12 Spring-operated circuit breaker control, signal circuit（Traditional operating mechanism）
Master Electrician
10/11/2024 10:24:43
VD4-12 Spring-operated circuit breaker control, signal circuit
SFA:change-over switch
SFB:change-over button
QF:Dc air circuit breaker
QC:Ground switch
WCC:Wire Connection Center
V:Rectifier bridge
The inside of the frame is divided into the inside of the circuit breaker car
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