PV Array Level Rapid Shutdown Switch


Electrical Components for Solar PV, Battery Energy Storage

Rapid shutdown was first introduced in the 2014 National Electrical Code (NEC) with the intent of providing a simple method for fire fighters to de-energize solar system DC conductors easily to ensure a safe condition on the roof of a building during a fire. This is because on a standard string inverter solar system, when the inverter is switched off, the DC wiring from the solar system remains live when the sun is shining.

Providing DC power mechanical, complete isolation and disconnection in case of a fire emergency on solar building. Protects firefighter from a solar electric shock.

* Over Temperature Protection Automatic Shutdown
* Main AC Power Shutdown by Manual
* AC Power Loss Triggers DC Power OFF Automatic
* Keep DC Power Isolation and Disconnect Even the AC Power is Back

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