Air Circuit Breaker 800V AC Ex9A40HU 4P D/O 2000(N)

Air Circuit Breakers from Ex9A series are designed for power distribution protection on high demand installations such as industrial and commercial among others. Testing according IEC / EN 60947-2 standards ensures the required functionaility and reliability for the higher power applications. The Ex9A40-HU version has been developed to fit into the newest demands of the PV applications on which the nominal voltage keeps increasing. These products has been rated from 800 VAC up to 1150 VAC. In order to provide the best control and monitoring features, the Ex9A40HU is offered with the most advanced SU4.0H, capable of detecting ground leakages and able to react to current, voltages, powers and harmonics failures by disconnecting the breaker or alerting to the system via programmable DO or Modbus.