AC800V MCCB 400A Circuit Breaker

GREENWATT® is AC800V MCCB 400A Circuit Breaker manufacturer and supplier in China who can wholesale AC800V MCCB 400A Circuit Breaker. ZAM6HU AC800V MCCB 400A Molded Case Circuit Breaker can be applied in alternating current (AC) circuits with a frequency of 50/60Hz. Its rated working voltage can reach up to AC800V, and its rated working current can reach up to 800A. This type of circuit breaker can complete the operation of connecting, disconnecting, and carrying rated current in the circuit. When the circuit encounters overload, short circuit, or undervoltage, it can provide reliable protection for the circuit and electrical equipment. The working voltage of ZAM6HU AC800V MCCB 400A Molded Case Circuit Breaker can reach up to AC800V, and the insulation voltage can reach AC1150V. This feature makes it suitable for higher voltage levels of distribution systems and ensures its working efficiency in high-altitude areas. Its 36.5kA ultimate short-circuit breaking capacity at AC800V can effectively reduce the harm of short circuits to equipment and circuits. This product is widely used in industries such as new energy, electricity, and industry.

Product Features

• High mechanical life (15000) and electrical life (2000);

• Short arc distance: Equipped with a standard arc shield and three-layer arc extinguishing metal partitions, it prevents secondary system failures caused by spraying during disconnection;

• Superb current limiting capability;

• Enhanced insulation performance, with electrical clearance and creepage distance complying ; No derating with reverse polarity connections;

• Resistance to humidity, salt mist, and mold;

• New single-break structure, more stable and reliable than double-break.

Certification: CB CCC

Core Patent Technologies

• Technology for preventing drop-out during contact opening by minimizing repulsion at the low point of the moving contact;

• Arc extingu technology, achieving shorter arc duration;

• Handle design that keeps the operator safe by being far from the arc extinguishing area.

ZAM6HU AC800V MCCB 400A Molded Case Circuit Breaker Parameter

ZAM6HU AC800V MCCB 400A Molded Case Circuit Breaker Outline dimensions and mounting dimensions