The Siemens NGB2B125 is a two-pole circuit breaker designed for reliable protection in electrical panelboards. Rated at 125 amps and capable of handling voltages up to 600V, this breaker offers a standard interrupting capacity of 14kA at 600V and 25kA at 480V, making it suitable for a variety of applications, including reverse feed setups. Its bolt-on design ensures secure panelboard mounting without the need for lugs, simplifying installation. This model is part of the VL series and includes long-time overload protection for enhanced system safety. BSP Automation supplies this breaker, providing a trusted option for industrial and commercial electrical systems.