AL57 Molded Case Circuit Breaker (MCCB)

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AL57 Molded Case Circuit Breaker (MCCB)

1. Applications of Molded Case Circuit Breaker:
AL57 series Molded Case Circuit Breaker is a kind of economic breaker, has thefeatures as following, such as steady and reliable property, reasonablestructure, beautiful style, small volume, etc. This breaker applies to thecircuit with AC50/60Hz,rated insulation voltage 660V,max. rated current 1250A as on-off operation, and takeeffect, it also can be used as unfrequent conversionof line and infrequency.
2. Specifications of Molded Case Circuit Breaker:

Type	Pole number	Rated current(A)	Breaking capacity(KA)
			AC(P1/P2)
			240	380	415	500	600	660
AL57-30	2	3,5,10,15,20,30	5/5	5/2.5	2.5/1.5	2.5/1.0
	3
AL57-50	3	10,20,30,40,50	5/10	10/7.5	7.5/5	7.5/5	2.5/1.5
AL57-60	3	10,20,30,40,50,6C	5/10	10/7.5	7.5/5	7.5/5	2.5/1.5
AL57-100	3	60,75,100	50/42	30/20	7.5/8	15/10	10/5	5/2.5
	4
AL57-250	3	125,150,175,200,225,255	50/42	30/22	25/15	18/15	15/10	5/2.5
	4
AL57-400	3	250,300,350,400	85/60	50/35	25/20	35/25	25/18	15/10
	4
AL57-630	3	500,600,630	85/60	50/35	50/30	35/25	25/18	15/10
	4
AL57-800	3	600,700,800	85/60	50/35	50/30	35/25	25/18	15/10
	4

We are a leading maker of high qualityelectronic components such as miniature circuit breaker, earth leakage circuitbreaker, AC contactor, Power relay, etc.

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