Product Details

Moulded Case Circuit Breaker GM2-400

Model					GM2-400
Number of poles					3	4
Control	Manual	Toggle			■
		Direct or extended rotary handle			■
	Electric				■
Connections	Fixed	Front connection			■
		Rear connection			■
	Withdrawable (on chassis)	Front connection			■
		Rear connection			■
Electrical characteristics as per IEC60947-2 and GB14048.2
Rated current(A)		In	40℃		400
Rated insulation voltage(V)		Ui			750
Rated impulse withstand voltage(KV)		Uimp			8
Rated operational voltage(V)		Ue	AC 50/60Hz		400
Type of circuit breaker					N	H
Ultimate breaking capacity (KA rms)		Icu	AC 50/60Hz	400V	40	80
Service breaking capacity		Ics	%Icu		100%
Suitability for isolation					■
Utilization category					A
Max. demand current (C-O cycles)	Mechanical				15000
	Electrical		440V	In/2	12000
				In	6000
Trial longevity	Overload/no overload/total sum				850/4000/4850
Protection
Trip units					Electronic type (STK23SE)
Overload protection	Long time	Ir(In×...)			■
Short-circuit protection	Short time	Isd (Ir×...)			■
	Instantaneous	Ii(In×...)			■
Residual earth leakage protection		Vigi module			■
Indication and control auxiliaries
Auxiliary switch					■
MX shunt and MN undervoltage winding					■
Installation
Accessories	Terminal extension and spreaders				■
	Terminal shields and interphase barriers				■

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