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Motor Protection Ac 4p Busbar Mccb Case Circuit Breaker
Motor Protection Ac 4p Busbar Mccb Case Circuit Breaker
Motor Protection Ac 4p Busbar Mccb Case Circuit Breaker
Motor Protection Ac 4p Busbar Mccb Case Circuit Breaker
Motor Protection Ac 4p Busbar Mccb Case Circuit Breaker
Motor Protection Ac 4p Busbar Mccb Case Circuit Breaker

Motor Protection Ac 4p Busbar Mccb Case Circuit Breaker

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Product Overview

Description



Product Description


molded case circuit breaker is suitable for DC systems with rated working DC voltage below 1000V and rated working current up to 10A-1250A. The circuit breaker has protection functions such as overload, short circuit and under voltage, which can protect lines and power supply equipment from over-voltage damage due to overvoltage and overcurrent. Widely used in power generation, power transmission and transformation, new energy, communications, construction and other fields.


Features


Features
* Operating full load at 50℃
* The breaker has isolation function,
* lEC60947-2 and GB14048.2 standards
* Breaker can be mounted vertically, or in horizon
* Used in DC system with no earthing, one pole earthed, or neutral point earthed
* Maximum carry 1250A at several breakers operated in parallel.
* Arcing quench system integrates VJC and lSTAC technologies




Specification


Parameter
Value
Shell frame grade current
250
Ripping device rated current
100、125、140、160、180、200、225、250
Number of poles
4
Rated insulation voltage
1000V
Rated operational voltage
DC 1000V
Rated impulse withstand voltage
8000V
Rated ultimate short-circuit breaking capacity
40
Rated operational short-circuit breaking capacity
25
Mechanical life
10000
Electrical life
5000
Flashover distance
≯50
Dimension
142X165X103mm
Overload protection
250-630 A
Protection function
100-250 A
250-360 A
Action tolerance
±20%
Work environment
-40℃~+70℃


Note: If you have any puzzles or requests about this product (including model number, data sheet or any other aspects), please contact us immediately.


Application


* In medium and low voltage power system
* Protect circuits from overload, short circuit and other faults
* In industrial control system
* Protect motors, transformers and other equipment
* Used in household, commercial and industrial building electrical
* Used to protect communication equipment, communication lines, etc.
* Electrical system of new energy equipment such as solar energy and wind energy
* Guarantee the safe operation of electrical equipment












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