DW15-200-630A breaker solenoid DC solenoid structure, short-time working. (1) DK-1 control box using AC power switch on the electromagnet circuit circuit is shown in Figure 6-7
4. DK-1 type of electromagnetic control box. Figure, SBi is closing button, SBz the opening press button, YA is closing solenoid coil, YR for the trip coil, KA intermediate relay, QF circuit breaker auxiliary contacts, Ri ~ R4 are as resistors, Ci, C2 as the storage capacitor.