Square D 989316 – 100A 3 Pole Molded Case Circuit Breaker Express Delivery

Restoring older electrical systems, the Square D 989316 is a 100A, three-pole molded case circuit breaker. It belongs to the legacy ML-1 series for commercial use. This breaker mounts into compatible ML-1 panelboards using a bolt-on connection. It is built for three-phase applications and accepts 3-1/0 AWG wiring via included lugs. Rated 10kAIC at 240VAC, the unit employs fixed thermal-magnetic trip elements to deliver reliable long-time and instantaneous fault protection.