DAM3-1000 MCCB Molded Case Circuit Breaker

Inquiry

Write a Review

Product Description

The rated current of DAM3-1000 molded case circuit breaker can up to 690A, it’s generally used in the power distribution circuit to distribute power and protect circuit and power equipment from overloaded, short circuit, under voltage failure damage, in which alternating current 50-60Hz, rated direct-current 1000A.

Compared to the DAM1 series, the DAM3 series are designed for smaller volume, higher breaking capacity, offering better energy savings.

Specifications

Electrical parameters of DAM3-1000 molded case circuit breaker

Rated current of frame size Inm [A]		1000
Rated current[A]		630 800 1000
Number of poles		3/4
Rated operating voltage	(AC)50-60HZ [V]	400/690
	DC[V]	250/1000
Rated impulse withstand voltage Uimp[KV]		8
Rated insulation voltage Ui [V]		750
Test voltage at industrial frequency for 1 min [V]		3000
Rated ultimate short-circuit breaking capacity Icu [KA]		N	S	H
(AC)50-60HZ 220/230V [KA]		55	80	105
(AC)50-60HZ 400/415V [KA]		36	55	70
(AC)50-60HZ 690V [KA］		15	20	25
(DC)250V-2 Poles in series		35	50	65
(DC)500V-2 Poles in series		18	22	30
(DC)750V-4 Poles in series		30	42	55
(DC)1000V-4 Poles in series		25	35	45
Rated service short-circuit breaking capacity, Ics [KA]
(AC)50-60HZ 220/230V [%Icu]		60%	60%	60%
(AC)50-60HZ 400/415V [%Icu]		60%	60%	60%
(AC)50-60HZ 690V [%Icu]		60%	60%	60%
Category of utilisation(EN 60947-2)		A
Isolation condition		Bitmap
Reference standard		IEC/EN 60947-2/GB 14048.2
Interchangeability		Bitmap
Versions	Fixed	Bitmap
	Plug-in	Bitmap
	Draw-out	Bitmap