Certified Square D 973816 – 100A 2 Pole Molded Case Circuit Breaker

A vital component for older residential services, the Square D 973816 is a 2-pole, 100A molded case circuit breaker. It utilizes thermal-magnetic technology to deliver reliable long-time and instantaneous protection. This legacy unit mount breaker fits Square D Series 973 Meter Mains. It features a feed-thru design with line and load lugs accepting 4-2/0 AWG wire. Rated at 10kAIC, it provides standard fault clearing. It is officially replaced by the Square D M22100 for modern upgrades.