The Siemens Q23020CT2 Circuit Breaker is a reliable and high-quality electrical component suitable for both interior and exterior walls. With a maximum amperage of 20A and a voltage of 120/240V, it offers thermal overload protection and a trip indicator for safe operation. This circuit breaker, featuring a double pole single throw configuration, is designed for easy installation with a bolt-on mounting style. Made of durable ABS/plastic and plastic materials, it operates at -75°C (-103°F) and has a compact size of L 3.1 x W 2.5 x H 2 inches. Perfect for any room, this circuit breaker by Siemens is a valuable addition to any electrical setup.