2018 High quality thermal magnetic circuit breaker - DAM3-630 MCCB Molded Case Circuit Breaker – DaDa

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2018 High quality thermal magnetic circuit breaker - DAM3-630 MCCB Molded Case Circuit Breaker – DaDa Detail:

Overview

The rated current of DAM3-630 molded case circuit breaker can reach up to 630A. These electrical devices are suitable for the protection of power distribution circuits with an alternating current of 50-60Hz and a rated operating current up to 1000A. They can also be used in electric motors for infrequent starting and overload protection as well as protection against short circuiting and undervoltage conditions.

The circuit breakers feature the characteristics of small volume, high breaking capacity, and short flashover during operation.

Electrical Parameters of DAM3-630 Molded Case Circuit Breaker

Rated current of frame size Inm [A]		630
Rated current[A]		315-630
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

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Our pros are lessen prices,dynamic sales team,specialised QC,sturdy factories,top quality services and products for 2018 High quality thermal magnetic circuit breaker - DAM3-630 MCCB Molded Case Circuit Breaker – DaDa , The product will supply to all over the world, such as: New Zealand, Thailand, Muscat, We have a good reputation for stable quality products, well received by customers at home and abroad. Our company would be guided by the idea of "Standing in Domestic Markets, Walking into International Markets". We sincerely hope that we could do business with customers both at home and abroad. We expect sincere cooperation and common development!

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