SM7 Series Moulded Case Circuit Breaker

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SM7 Series Moulded Case Circuit Breaker

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1.Application

SM7 series MCCB is applicable circuit of AC 50Hz, rated insulation voltage 660V, ratedoperating current 15-225A, for distribute energy of electricity and infrequent making & breakingcircuit in normal conditions. The products conforms to IEC60947-2 standard.

2.Specification

Type		SM7-100	SM7-225
Poles number		3	3
Rated current In(A)		15~100	100~225
Rated operating voltage Ue(V)		AC 600V DC 250V	AC 660V
Rated insulation voltage Ui~(V)		AC 690V	AC 690V
Utilisation category		A	A
Rated ultimate short-circuit breaking capacityIcu(KA)	AC 500V	2	5
	AC 440V	5	7.5
	AC 415V	5	7.5
	AC 380V	5	7.5
	AC 240V	7.5	15
Rated short-circuit servicebreaking capacityIcs(KA)	AC 500V	1	2.5
	AC 440V	2.5	3.8
	AC 415V	2.5	3.8
	AC 380V	2.5	3.8
	AC 240V	3.8	7.5

3.Outline and Installation Dimension