Trusted Brand Siemens HQR22B150H – 150A 2 Pole Molded Case Circuit Breaker

Part of the SENTRON QR series, the Siemens HQR22B150H provides robust 100kAIC protection for commercial and industrial electrical systems. This two-pole, 150-amp MCCB features a bolt-on mounting design and fixed thermal-magnetic trip units for reliable long-time and instantaneous (LI) defense. It serves as an exact form-factor replacement for legacy QJ frame breakers, ensuring easy retrofits. Installs into Siemens P1, P2, and P3 panelboards, switchboards, and meter centers.