Fan Favorite Siemens NGB3B015 – 15A 3 Pole Molded Case Circuit Breaker

Engineered for commercial distribution, the Siemens NGB3B015 is a 3-pole, 15A molded case circuit breaker. It delivers thermal-magnetic protection for branch circuits requiring up to 25kAIC at 480Y/277V. This bolt-on MCCB mounts into Siemens P1, P2, and P3 panelboards. It replaces older GB/GG frames and can be substituted by the 3VA51 series using a mounting kit. Configured without load lugs, this model uses a nut keeper connection. It is HACR and HID rated, and supports reverse feed.