The SDP-1024A is a relay interface manufactured by ELCO Italy, featuring an SPDT single-pole, double-throw (SPDT) configuration. It provides 5 to 32 volts of control voltage, 10 amps of current, and switch voltage of 5.5 to 36 volts. Additionally, its contact gap is rated at 5mm, it has a mechanical durability of 10 million operations and an electrical durability of 100,000 operations, and it features a protective cover to protect against dust and moisture.