The ABB 1SDA054955R1 is a high-quality accessory specifically designed for enhancing the functionality of four-pole T5 circuit breakers. This residual current release, model RC222/5, ensures reliable and efficient operation, making it an essential component for fixed installations. With a UPC of 804325491655 and a consistent weight of 6 pounds 2 ounces, this product combines durability with precision engineering. Ideal for ensuring safety and compliance in electrical systems, the ABB 1SDA054955R1 is a must-have for professionals seeking robust performance and long-term reliability.