Schneider Electric FCL34020 Three-Phase Circuit Breaker

Schneider Electric’s Square D FCL34020 is a three-pole molded-case circuit breaker (MCCB) rated for 20 A at 480 VAC. It belongs to the FCL series and provides thermal-magnetic protection with distinct long-time and instantaneous trip functions to guard 3-phase feeders against overloads and short circuits. With a 65 kA short-circuit rating at 480 V, the FCL34020 is suited to higher fault-current environments, balancing fast disconnection with reliable protection in 480 V distribution networks. The unit features feed-through construction and line- and load-side lug terminals for straightforward wiring inside control panels, simplifying installation and field wiring. This 3P breaker is designed for integration in 480 V three-phase systems, making it a common choice for protecting feeders and equipment in commercial or industrial panelboards that operate at standard 480 VAC. When selecting replacements, ensure the same 3-pole configuration and 20 A rating, as well as compatibility with your panel’s terminations and mounting style.