Must Have Square D FDA34100 – 100A 3 Pole Molded Case Circuit Breaker

A reliable solution for commercial systems, the Square D FDA34100 is a 100-amp, 3-pole molded case circuit breaker. It is part of the legacy F-Frame family, offering dependable overcurrent protection for demanding environments. This breaker is engineered to mount into Square D I-Line panelboards, ensuring a secure plug-on connection. While it remains a staple in many existing facilities, it is officially replaced by the HDA36100 model. It features a fixed LI trip and 18kAIC rating at 480V.