Best Choice Siemens HED42B020 – 20A 2 Pole Molded Case Circuit Breaker

Engineered for commercial power distribution, the Siemens HED42B020 is a 20-amp, 2-pole bolt-on circuit breaker. It mounts securely into Siemens Sentron panelboards, including P1, P2, P3, and SB switchboards. This ED frame MCCB delivers a high interrupting capacity of 100 kAIC at 240VAC and 42 kAIC at 480VAC, utilizing reliable thermal-magnetic trip technology. For new installations or upgrades, Siemens has designated the 3VA5120-6EC26-0AA0 as the modern replacement for this model.