Siemens NFK3B150L

The Siemens NFK3B150L is a molded-case circuit breaker designed for low-voltage applications. It features a thermal magnetic trip unit and is built on the NFG frame, providing reliable protection for 3-phase systems with a 150-amp rating. This 3-pole breaker offers interrupting capacities of 18 kAIC at 600Y/347V and 35 kAIC at 480V, ensuring robust performance under fault conditions. It comes equipped with line and load lugs for external connections and supports wiring sizes up to 4 AWG. This circuit breaker model is available through BSP Automation, offering a practical solution for managing electrical distribution safely and efficiently.