Products

Moulded Case Circuit Breaker

Model No. : SKB-N Series
Products Category: > AC Electric Protection > Circuit breaker

Construction & Features

SKB-E series moulded case circuit breaker is one of breakers which adopts international advanced design, manufacture technology to develop.

The rated insulating voltage is 750V, suitable for AC 50/60Hz, rated working voltage upto 690V, rated working current is 12.5A-1600A of circuit and use in distributing electric energy conforming to IEC 60947-2 standard, and non-frequent breaking in the normal conditions, protecting the current & equipment from overload & under voltage.

Circuit breaker with rated frame current 400A or below, can be used in mousecage motor's & non-frequent starting, breaking during working, protecting motor from overload, short circuit & under voltage.

Specifications

Type	Rated Current(A)	Poles	Rated Insulating Voltage(V)	Rated Operating Voltage(V)	Ultimate short circuit Breaker Capacity (KA)	Services short Circuit Breaker Capacity(KA)	Operating performance (times)		Catagory
							ON	OFF
SKB-N-100D	12.5, 16, 20, 25, 32, 40, 50, 63, 80, 100	3, 4	750	690 And below	18	18	1500	8500	A
SKB-N-100N					25	25
SKB-N-100H					70	70
SKB-N-100L					150	150
SKB-N-160D	16, 20, 25, 32, 40, 50, 63, 80, 100, 125, 160				25	25	1500	7000
SKB-N-160N					36	36
SKB-N-160H					70	70
SKB-N-160L					150	150
SKB-N-250D	160, 180, 200, 225, 250				25	25	1000	7000
SKB-N-250N					36	36
SKB-N-250H					70	70
SKB-N-250L					150	150
SKB-N-400D	200, 225, 250, 300, 315, 400				35	35	1000	4000
SKB-N-400N					45	45
SKB-N-400H					70	70
SKB-N-400L					150	150
SKB-N-630D	315, 350, 400, 500, 600, 630				35	35	1000	4000
SKB-N-630N					45	45
SKB-N-630H					70	70
SKB-N-630L					150	150
SKB-N-1250N	800, 1000, 1250, 1600	3			50	37.5	1000	4000
SKB-N-1600N					50	37.5