CTM8 Moulded Case Circuit Breaker

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CTM8 moulded case circuit breaker is appropriate for AC 50Hz/60Hz circuits, with rated voltages up to AC 660V and rated operating currents up to 800A. This MCCB has a standard structure, reliable performance, comprehensive accessories, and a high breaking capacity. It is used for power distribution and to safeguard the circuit and electrical equipment from overload and short circuits. It is compliant with the IEC60947-2 standard.

Contact Company

Shanghai Cet Electric Co., Ltd

Shanghai, China

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Suitable Working Conditions

Elevation: 2000m or less
Medium ambient temperature: -5° C +40° C (+45° C for marine items)
Refuse to be affected by damp air.
Avoid the effects of mold.
Maximum inclination: 22.50 degrees
Immersed in a non-explosive medium that cannot contain any gas or conductive dust that could degrade metal and ruin insulation.
Store it somewhere dry and away from rain and snow.

MCCB classification
It is classified as three-pole or four-pole based on the product pole number. The neutral pole of four-pole products is classified into four types:

Type A: The N pole cannot be placed with an over-current tripping element, and it always turns on; it cannot switch on and off with the other three poles.
Type B: N pole cannot be placed with an over-current tripping element; it can only be turned on and off in conjunction with other there poles.
Type C: N pole can be equipped with an over-current tripping element and can be switched on and off in conjunction with the other three poles.
Type D: The N pole is equipped with an over-current tripping element and is always turned on; it cannot be turned off in conjunction with other poles.

Applications
1. This molded case circuit breaker is utilized in the distribution of industrial, commercial, lighting, and electric machines.
2. Overload and short-circuit protection for the major technical parameters.