Siemens NGB3B015B Bolt-On 3-Pole Molded Case Circuit Breaker protects 3‑phase panelboard circuits with a 15 A rating and a 600 V AC maximum. As a bolt‑on member of the NGB family, it is designed for panelboard mounting and uses a thermal‑magnetic trip for long‑time and instantaneous protection, with a 25 kA interrupting rating at 480 VAC. Lugs are not included with this unit, which is UL489 listed for standard MCCB applications.
