Siemens NGB3B015 is a 3-pole bolt-on molded-case circuit breaker rated 15 A up to 600 V. It is UL489-listed and designed for panel mounting in compatible Siemens panelboards, providing protection for 3‑phase circuits in commercial and industrial power-distribution environments. This NGB bolt-on MCCB is intended to interrupt fault currents safely in 600 V systems while fitting securely into Siemens panelboard configurations that accept bolt-on breakers. As a Siemens NGB model, it serves as a reliable, code-compliant overcurrent protection option for 3‑phase feeders.
