Eaton Sun Relay with light intensity switch and external light sensor is suitable for distribution boards. Features text-oriented operator prompting and backlit display, week program, interface memory card/PC, external control inputs with 5 functions, ON/OFF permanent, undelayed LED display, duoFix- plug-in terminals, PIN – encryptor, 10 years autonomy, zero-crossing circuit, changeover contact 16A/250V, sealable transparent cover.