Siemens NGB1B060B U Molded Case Circuit Breaker

Siemens NGB1B060B U is a 1-pole molded case circuit breaker rated for 60 A at 277 V AC, part of Siemens’ NGB family designed to protect single‑phase branch circuits in commercial electrical distribution. It features a thermal‑magnetic trip assembly with Long‑Time and Instantaneous trip functions, and ships with load‑lug terminals installed for direct panelboard connections. The device is intended for panelboard mounting and offers an interrupting rating up to 25 kA at 277 V, with configurations rated for up to 347 V AC in applicable listings. Typical applications include lighting feeders and other commercial loads where a 60 A protection level is required within a Siemens distribution scheme.