ONCCY #ERS Series DC String level Rapid shutdown Device RSD.
Firefighter safety switch is a auto DC disconnect solution for solar rooftop fire protection.
Provide DC power mechanical and complete isolation in the event of a fault. Make a safe area and operating space to protect the firefighter from DC electric shock.

ONCCY DC String level Safe Switches for solar rooftop fire protection

ONCCY DC String level Safe Switches for solar rooftop fire protection

ONCCY DC String level Safe Switches for solar rooftop fire protection