This QO Secondary Surge Arrester equally protects receptacles and circuits throughout the home from up to 20,000-volt surges. Using 2 poles, it installs like a Square D plug-on circuit breaker. This surge arrester is compatible with QO load centers, CSED devices and NQOD panelboards.
Equal protection to circuits and receptacles throughout home
Protects up to 20K volts
150 VAC line-to-phase, 175 VAC phase-to-ground
For use in QO load centers, CSED devices and NQOD panelboards
Requires 2 poles and installs like Square D plug-on breakers