Auxiliary contact SD (1NO1NC) left (250) SE SPD-SD-02-L Systeme Electric

SD auxiliary trip contact for SystemePact CCB DC series circuit breakers, rated current 250 A, configuration – 1NO+1NC; installation – left side under the circuit breaker front cover. SD auxiliary contacts are designed to indicate a trip caused by overload or short circuit, pressing the Test button on the circuit breaker front panel, or receiving a command from an independent MX shunt trip or MN undervoltage release.