Square D FA36020-1021 I-Line 3-Pole Circuit Breaker

Square D FA36020-1021 I-Line 3-Pole Molded Case Circuit Breaker is a plug-in FA-frame MCCB designed for I-Line panel installations. It is rated 20 A at 600 V AC and provides thermal-magnetic overcurrent protection for three-phase ABC circuits in commercial and industrial power distributions. The I-Line mounting and plug-in connection simplify installation in Square D panelboards, and this model can be equipped with a 120/240 VAC shunt trip for remote disconnection when required. With a short-circuit interrupting rating around 14 kA at 600 V, it delivers reliable fault protection in a compact form factor within the FA family. This UL/CSA-listed FA-series breaker supports feeders to motors, lighting, and other commercial loads in panelboards and switchgear where space efficiency and quick tripping are essential.