The Square D 2 Pole Type QO Circuit Breaker (QO2100) is a plug-in circuit breaker with a manual reset feature, suitable for both interior and exterior walls. It has a Type A tripping characteristic and a maximum amperage of 100A, providing overload protection and a trip indicator. This circuit breaker operates at an operating temperature of 40°C (104°F) and has a double pole single throw (DPST) contact configuration, making it compatible with wire gauges ranging from 1-5 AWG. With a sleek black design and screw terminal electrical connection, this Square D circuit breaker is a reliable and efficient choice for any room in a building.