Siemens B390HH – 90A 3 Pole Molded Case Circuit Breaker Weekend Sale

The Siemens B390HH is a high-interrupting 3-pole, 90A molded case circuit breaker from the HBL series. Designed for robust industrial and commercial environments, it features a thermal-magnetic trip unit with fixed long-time and instantaneous (LI) protection functions. This bolt-on MCCB is engineered to mount into Siemens P1, P2, and P3 panelboards. It provides an exceptional 65kAIC rating at 240VAC, includes load-side lugs, and is HACR rated for use with air conditioning equipment.