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MCCB Circuit Breaker

Basic Info

Model No.:  MCCB

Product Description



Model NO.: MCCB


Operation: Electric Type


Arc-extinguishing Medium: Air


Structure: Conventional Circuit Breaker


Function: Overcurrent Protection, Circuit-Breaker Failure P


Frame Current: 100A-160A


Specification: CE ROHS ISO9000


HS Code: 85362000




Breaking Capacity: Low Voltage Circuit Breakers


Speed: Normal Type Circuit Breaker


Installation: Fixed


Type: Circuit Breaker


Certification: VDE, ISO9001-2000, CE, UL, CB, CCC


Trademark: Smun


Origin: China, Zhejiang Province


MCCB can also be used for un-frequent start, overload, short-circuit and voltage absent protection

CM1 Series moulded case circuit breaker (hereafter reffered to as simply breaker), whose insulated voltages 800V, suitable for conversion and starting a motor not frequently in the circuitof 50Hz AC (or 60Hz) rated working voltage 690V, rated working current up to 1250A, The breaker have overload, short circuit and under-voltage protection device, which protects the circuit and power equipment against damage.

According to level of the breaking capacity of rated maximal short circuit, the breaker can be classified into two types, Type L(Standard type), Type M(Higher breaking type), Such breaker possesses the features such as compactness, high breaking capacity, short arc-cover and shock resistance, etc.

The breaker can be installed vertically (upright) as well as horizontally (crosswise).

The breaker has disconnecting function, its corresponding symbolis hownas

Normal application environment Altitude ≤ 2000m

Ambient temperature -5~+40

Tolerance of the influence of humid air.

Tolerance of the influence of salt mist and oil mist.

Maximal gradient is 22.5

Kept in the media without explosive hazard.

There is no conductive dust or gas which is able to erode metal or destroy insuation

Kept in the place where no sleet will attack.

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