This Siemens Q21520CT circuit breaker is a reliable and durable choice for any electrical setup. With a maximum amperage of 20A and voltage range of 201-250V, it is suitable for wall, interior, and exterior applications. The unit has a clip-on mounting style and is controlled by a switch, with a manual reset circuit breaker interruption type. The black color and sleek design make it a stylish addition to any circuit breaker collection. It features 4 poles and is a unit type item, with a unit quantity of 1. This circuit breaker is perfect for branch circuit applications and is a must-have for anyone looking for a high-quality electrical equipment supply.