The ABB 1SDA055059R1 is a high-quality accessory designed to enhance the functionality of your electrical systems. This product features X3 connectors compatible with PR222DS/P/PD-PR222MP and includes options for alarm signalling "L" and/or dialogue. It is specifically engineered for use with fixed circuit breakers T4 to T6, ensuring a reliable and efficient connection. Ideal for industrial settings, this accessory promotes better communication and safety features in your electrical installations.