Siemens HEB1B020B – 20A 1 Pole Molded Case Circuit Breaker One Day Deal

Built for heavy-duty electrical systems, the Siemens HEB1B020B is a 20A, 1-pole molded case circuit breaker. It utilizes thermal-magnetic trip technology to provide consistent long-time and instantaneous protection for commercial and industrial facilities. The breaker installs into Siemens P3, P4, and P5 panelboards via a standard bolt-on connection. It serves as a legacy component, with the HEG1B020B available as a modern substitute.