Grab Now Siemens HGB1B040B – 40A 1 Pole Molded Case Circuit Breaker

Delivering reliable branch circuit protection, this 40A single-pole MCCB belongs to the Siemens SENTRON line. It is designed to handle demanding commercial and industrial electrical loads with fixed thermal-magnetic trip functions. The bolt-on GB-frame unit installs seamlessly into Siemens P1, P2, P3, P4, and P5 panelboards. When modernizing older systems, this breaker is replaced by the 3VA5140-5ED12-0AA0 (mounting kit required).