Best Seller Square D FHB16020B – 20A 1 Pole Molded Case Circuit Breaker

Built for robust electrical distribution, this 1-pole, 20A Square D breaker provides thermal-magnetic protection for commercial and industrial facilities. The FHB16020B is a legacy F-frame component designed for heavy-duty use. Equipped with a Phase B jaw, it mounts into Square D I-Line panelboards. Facilities looking to modernize can substitute this unit with the PowerPact BGA140203. It features a 25kAIC rating at 277VAC and carries a HACR classification for HVAC applications.