QIHANG DW45-630A 2000 Series Universal Circuit Breaker (630A, 150kA)

The QIHANG DW45-630A 2000 Series Universal Circuit Breaker is a high-performance frame-type protection device engineered for demanding low-voltage distribution systems. With a rated current of 630A and an impressive 150kA breaking capacity, this model provides strong fault interruption performance for main switchboards and industrial distribution panels.

Designed for operation at AC 400V and suitable for 50/60Hz systems, the DW45 series supports stable and coordinated protection in industrial facilities, infrastructure projects, and commercial power networks. The breaker is built with durable insulating materials and precision metal components to ensure reliable mechanical strength and consistent operational performance.

Its advanced protection mechanism responds effectively to overload and short-circuit conditions, helping safeguard downstream equipment and maintain system continuity. This makes it ideal for panel builders, EPC contractors, and power system integrators who require dependable, high-capacity circuit protection.

Key Features

• Series: DW45-2000

• Rated current: 630A

• Rated voltage: 400V

• Breaking capacity: 150kA

• Designed for heavy-duty low-voltage distribution systems

• Robust construction for industrial environments

• Suitable for OEM / project-based supply

Typical Applications

• Main distribution boards

• Industrial manufacturing plants

• Commercial power systems

• Infrastructure and EPC projects

• Generator and transformer protection