Square D Q4L3300 – 300A 3 Pole Molded Case Circuit Breaker Top Rated

Designed to handle substantial loads, the Square D Q4L3300 is a 300A, 3-pole molded case circuit breaker. It employs a thermal-magnetic trip mechanism with fixed LI functions to protect commercial electrical systems. This legacy Q-Frame breaker utilizes a unit mount design with lug terminals for Square D switchboards. It serves as a replacement for existing installations and is officially replaced by the PowerPacT LDL36300U31X. It offers a 25kAIC rating at 240V and push-to-trip functionality.