SDKW1-1000 Air Circuit Breaker

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SDKW1-1000 air circuit breaker is applicable for distribution networks with frequency 50Hz and 60Hz, rated working voltage AC400V and AC690V, and rated working current 1000A and below. It can distribute electric energy, protect circuits, and keep electrical power units from overload, undervoltage, shot circuit and single phase earthing. This series of circuit breaker has the function of intelligent protection and can selectively and precisely protect relative units, to improve power distribution reliability and avoid unnecessary power failure.

This circuit breaker is widely used for power distribution systems of power stations, factories, mines and modern high-rise buildings, especially intelligent buildings.

This circuit breaker conforms to the standards of IEC60947-2 and GB14048.2, and has passed CB, KEMA and 3C authentications.

Product introduction

Technical parameters:

Model		SDKW1-1000
Rated Short Circuit Breaking Capacity		Icu=42kA 400V Ics=Icw/1s=30kA 400V Icu=25kA 690V Ics=Icw/1s=20kA 690V
Rated Current ln(A)		200	400	630	800	1000
Number of Poles		3 Poles, 4Poles
Rated Voltage Ue(V)		400
Rated Insulation Voltage Ui(V)		690
Maximum Continuous Current of N Pole ln(A)		50%ln(default), 100%ln
Inherent Breaking Time (ms)		23~32
Intelligent Controller	Standard Type (m)	●	●	●	●	●
	Multi-functional Type (h)	●	●	●	●	●
	Electrical Life	1000
Operating Performance	Mechanical Life	Maintenance-Free 3000
		With Maintenance 10000
Mode of Wiring		Horizontal, Vertical
Weight (kg)	Drawer Type 3 Poles/4Poles	38/55
	Fixed Type 3 Poles/4Poles	22/26.5