VM51, MCCBs with thermal magnetic trip units

● VM51 series moulded case circuit breaker is our new circuit breaker with international design and advanced manufacturing technology. It is applicable for infrequent conversion and motor protection under working condiction: rated insulation voltage 800V(for type VM5100-500 V), rated impulse withstand voltage Uimp8 kV(for type VM5100 - 6kV), AC50/60 Hz, rated working voltage 690 Vand below (for type VM5100-400 V,rated working current up to 800 A.The circuit breaker has overload,short circuit and under voltage protection functions, which could protect circuit and power equipments from damage.● The circuit breaker can be installed vertically or horizontally.● The circuit breaker has isolation function.● The circuit breaker complies with therequirements of the standard IEC 60947-2.

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