Electromagnetic operated circuit breaker control and signaling circuit
Source: InternetPublisher:兰博 Keywords: circuit breaker electromagnetic signal circuit Updated: 2021/11/24
Circuit breakers of lOkV and below in factories and enterprises generally use
CD10 (originally CD2) electromagnetic operating mechanism. This type of
mechanism itself has a mechanical "anti-jump" device. The circuit breaker control and signal circuit using
CD10 operating mechanism
is shown in Figure 6-70. In the figure, wc is the control busbar;
WL is the light indicator busbar; WF is the flash signal busbar
; WAS is the accident sound busbar; w0 is the closing
busbar; SA is the control switch; KM is the circuit breaker
QF closing contact device; YR is the trip coil; YA is the electromagnetic
closing coil; KA is the outlet relay contact; Hi is
the green indicator light; H2 is the red indicator light; R3 is the discharge
resistor.
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