Siemens NGB3B050B – 50A 3 Pole Molded Case Circuit Breaker Time-Limited

Delivering robust overcurrent protection, this 50A thermal-magnetic breaker comes with factory-installed load lugs for commercial systems. The Siemens NGB3B050B offers a 100kAIC interrupting rating at 240V and 25kAIC at 480Y/277V. This 3-pole MCCB bolts into Siemens P1, P2, and P3 panelboards. It features fixed long-time and instantaneous (LI) trip functions and is HACR rated for HVAC equipment. For facility upgrades, note this legacy frame is replaced by the newer Siemens 3VA51 series.