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OF Auxiliary contactContact capacity:AC:Un=400V In=3AUn=230V In=6ADC:Un=125V In=1AUn=48V In=2AUn=24V In=6ADielectric strength:2000V/1minMounted on the left side of the MCB STB1-63H.
SD Alarming contactSend out signals when the circuit breaker pail to trips.Mechanical indicator on the front panel, which can indicate failure trip.Screw-type thread pressed terminal,can connect with 1 or 2 conductiong wire of 2.5 mm2 max.cross sectional area.Obvious marks upon terminal.Mounted on the left side of the MCB STB1-63H.indication"ON","OFF" status of combined MCB.
MX Shunt trip Rated insulating voltage(Ui):500VRated power voltage(Us):AC 400,230,125VOperate voltage range:70~100% UsContact capacity: AC:3A/400V AC:6A/230VAC:9A/125V Dielectric strength:2000V/1minMounting on the right side of MCB/RCBO, used to trip the combined MCB/RCBO by remotecontrolling device.
MN Over-voltage/undervoltage trip Rated voltage(Ue):AC 230VRated insulating voltage(Ui):500VOver-voltage tripping range:280V±5%Under-voltage tripping range:170V±5%Mounted on the right side of circuit breaker, actuate the combined device to trip in case of undervoltageor over-voltage, effectively prevent the device from closing operation under abnormalpower voltage condition.
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