Fresh Stock Siemens NGB3B100 – 100A 3 Pole Molded Case Circuit Breaker

Built for commercial distribution, the Siemens NGB3B100 is a 3-pole, 100A molded case circuit breaker. This model is supplied without load lugs, allowing for customized terminal configurations. The bolt-on MCCB installs into Siemens P1 through P5 panelboards. While replaced by the 3VA5110-4EC36-0AA0 for new builds, this NGB frame unit remains critical for existing systems. It provides 100kAIC at 240VAC and 25kAIC at 480Y/277VAC. The breaker is HACR rated and UL listed for safety.