The Siemens Q140 Miniature Circuit Breaker is a plug-in style device designed for use with Siemens EQ Load Centers. It has a maximum amperage of 40A and is compatible with a variety of panelboard/load center series. This circuit breaker features a toggle actuator, a lug terminal connection, and is suitable for both AC and DC voltage ratings. With a compact design and rated at 10kA at 120V AC, this circuit breaker provides reliable protection for electrical circuits in various industrial and commercial settings.