NDW3Z

The NDW3Z-2500/4000 DC-type air circuit breaker is designed for DC power distribution networks with rated currents from 800A to 4000A, rated insulation voltage of DC1500V, and rated operating voltages of DC500V/750V and DC1000V/1500V. It distributes electrical energy and protects lines and power supply equipment from overload, undervoltage, and short-circuit faults. It also provides reliable isolation functionality. With multiple protection functions, the circuit breaker enables highly accurate selective protection while minimizing unnecessary power outages, thereby enhancing the reliability and safety of the power supply system.