SD100XUL Square D QO Generator Interlock Kit 100 amp Main Breaker
Brand: GenInterlock.com

Generator Interlock Kit for Older Square D QO 100 Amp Main Breaker. 2nd and 3rd pictures represent the circuit breaker panel it is intended to use with. Panel and breakers not included

Generator Interlock Kit Square D QO 100 amp main breaker
Kit includes Interlock, labeling and retainer for generator breaker
PLEASE Verify panel type by checking second picture