OEM/ODM China Mccb 300 A - DAM3-400 MCCB Molded Case Circuit Breaker – DaDa

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Email: charlotte.weng@cdada.com

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OEM/ODM China Mccb 300 A - DAM3-400 MCCB Molded Case Circuit Breaker – DaDa Detail:

Overview

The rated current of the Dada DAM3-400 molded case circuit breaker can reach up to 400A. These electrical devices are suitable for the protection of power distribution circuits with an alternating current of 50-60Hz and a rated operating current 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.
Compared to the DAM1 series, the DAM3 series are designed for smaller volume, higher breaking capacity, offering better energy savings.

Electrical Parameters of DAM3-400 Molded Case Circuit Breaker

Rated current of frame size Inm [A]		400
Rated current [A]		200-400
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]		C	N	S	H
(AC)50-60HZ 220/230V[KA]		45	55	80	105
(AC)50-60HZ 400/415V [KA]		30	36	55	70
(AC)50-60HZ 690V [KA]		12	15	20	25
(DC)250V-2 Poles in series		30	35	50	65
(DC)500V-2 Poles in series		12	18	22	30
(DC)750V-4 Poles in series		18	30	42	55
(DC)1000V-4 Poles in series		15	25	35	45
Rated service short-circuit breaking capacity, Ics [KA]
(AC)50-60HZ 220/230V [%Icu]		60%	60%	60%	60%
(AC)50-60HZ 400/415V[%Icu]		60%	60%	60%	60%
(AC)50-60HZ 690V [%Icu]		60%	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 purpose would be to offer good quality products at competitive price ranges, and top-notch support to clients around the whole world. We're ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for OEM/ODM China Mccb 300 A - DAM3-400 MCCB Molded Case Circuit Breaker – DaDa , The product will supply to all over the world, such as: Niger, Saudi Arabia, Finland, We integrate design, manufacture and export together with more than 100 skillful workers, strict quality controlling system and experienced technology.We keep long term business relationships with wholesaler and distributors form more than 50 countries, such as USA, UK, Canada, Europe and Africa etc.

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