DAM3-630 MCCB Molded Case Circuit Breaker
DAM3-630 MCCB Molded Case Circuit Breaker
DAM3-630 MCCB Molded Case Circuit Breaker
DAM3-630 MCCB Molded Case Circuit Breaker
DAM3-630 MCCB Molded Case Circuit Breaker
DAM3-630 MCCB Molded Case Circuit Breaker

DAM3-630 MCCB Molded Case Circuit Breaker

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.
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  • Specifications
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Product Description

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.

Specifications

>> 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
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Product Features

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

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