Moulded Case Circuit Breaker

GYCM3 Series Moulded Case Circuit Breaker (MCCB)

General information

GYCM3, GYCM3L, GYCM3E series circuit breaker, is the new upgraded product developed with advantages of similar

international products and domestic and foreign market demand.

Rated insulation voltage this series up to 1000V, suitable for power distribution network with AC 50Hz, rated voltage

400V (690V), rated current to 800A , used for distribution of electrical energy and protection the circuit and power

equipment from overload, short circuit, undervoltage and other faults. At the same time, it can also be used as the

infrequent start and overload, short circuit, undervoltage protection of the motor.

The circuit breaker has the characteristics of small size, high breaking capability and short flying arc. The circuit

breaker can be installed vertically or horizontally.

This product conforms to iec60947-2, GB/T14048.2 and other standards.

Product features

Compact design

Size of the product is more compact, meets different installation requirements of customers.

Uniform size

Under same case grade, unformed installation dimension for different breaking capability (S, H), different function (air,

leakage).

Optimized function parameter setting

Applicable working and installation condition

Attitude below 2000 meters

Ambient temperature is < +40℃(+45℃ for Marine products) and > -5℃

Resistance against humidity

Resistance against mold

Resistance against nuclear radiation

Maximum inclination 22.5°

Work reliably under normal vibration of the ship

Work reliably in case of earthquake (4g)

◆To be installed in an environment without conductive dust, explosion risk, and metal parts and insulation shall

be protected against corrosion.

Protected against rain and snow