The Allen-Bradley 1489-A1D030 is a high-quality 3A 1P MCB designed for electrical protection in a variety of industrial settings. With its DIN Rail mounting style, this circuit breaker offers a secure and convenient installation method. The D Curve characteristic of the breaker ensures reliable protection against short circuits and overload conditions, making it a reliable option for ensuring the safety of electrical circuits. Built to UL489 standards, this breaker provides a high level of safety and performance in electrical systems up to 277V with a rating of 10kA.