Siemens NGB3B100B is a three-pole, bolt-on low-voltage molded-case circuit breaker from Siemens’ NGB VL Series. It is rated 100 A and 600 V AC, with a thermal-magnetic trip unit and load-side lug terminals for panelboard mounting and compatibility with reverse feed configurations. The breaker offers an interrupting capacity of 14 kA at 600Y/347 VAC and 25 kA at 480Y/277 VAC, delivering dependable protection for three-phase feeders in industrial and commercial power-distribution panels.
