2018 China New Design Main Mccb - DAM4 Series Moulded Case Circuit Breaker(MCCB) – DaDa

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2018 China New Design Main Mccb - DAM4 Series Moulded Case Circuit Breaker(MCCB) – DaDa Detail:

Application

DAM4 series MCCB is applicable circuit of AC 50/60Hz, rated current up to 400A, for distribute energy of electricity & infrequent making & breaking circuit in normal conditions. The products conforms to IEC60947-2.

Specification

Type		DAM4-125	DAM4-160	DAM4-250	DAM4-400
Poles number		3	3	3	3
Rated current In(A)		25~125	25~160	125~250	125~400
Rated working voltage Ue(V) (50/60Hz)		500	500	600	600
Rated working voltage Ue (V)		250	250	250	250
Rated insulation voltage Ui~(V)		500	500	690	690
Rated impulse voltage Uimp(kV)		6	6	8	8
Utilisation category		A	A	A	A
Rated limited short-circuit breaking capacity Icu(kA)	230/240V~	22	50	60	70
	400/415V~	16	36	36	40
	440V~	10	20	30	36
	480/500V~	8	14	25	30
	600V~	-	-	20	-
	690V~	-	-	16	-
	250V~	16	-	36	-
Rated short-circuit breaking service capacity Ics(%Icu)		100	100	100	100
Mechanical life		7000	7000	7000	5000
Electrical life		1000	100	1000	800

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10a Mccb