This Federal Pacific BW-21 Stab-Lok Circuit Breaker is a high-quality unit that provides thermal overload protection and is suitable for both interior and exterior use. With a maximum amperage of 20A and a voltage range of 120/240VAC, this unit is designed to protect against short circuits and overloads.

The unit features a plug-in/on mounting style and an on/off control style, with a switch for easy operation. It is made of ABS/plastic material and has a black color. This unit is a supplementary protector with 1 pole and 1-10 circuits, and it is suitable for industrial applications.