Square D KA36110-1021 – 110A 3 Pole Molded Case Circuit Breaker Best Price

Part of the legacy K-Frame series, the Square D KA36110-1021 is a 3-pole, 110A MCCB designed for commercial applications. It features thermal-magnetic trip technology with fixed thermal and adjustable magnetic settings. This breaker installs into Square D I-Line panelboards. For modern upgrades, it is replaced by the H-Frame HGA36110SA. The “-1021” suffix indicates a factory-installed 120-240VAC shunt trip for remote tripping. It delivers 25kAIC at 480VAC and is HACR rated.