Q6016NH4RP is a type of part manufactured by Littelfuse, and is a 16 Amp, 600 Volt thermally-protected, miniature breaker. It is a fast-acting, single-pole, snap-in type circuit breaker with a push-to-reset button on the top of the device. The breaker has a quick make and break, metal oxide varistor (MOV) and a current-limiting MCID Thermally Protected design for overload and short circuit protection. It also features an LED indicator for immediate visual indication of circuit protection. This is an ideal breaker for multiple low-medium power applications such as AC/DC power supplies, process controls, lighting, and motors.