KSK-1A80-BV51124 is a part manufactured by StandexMeder, a company that specializes in electromechanical relays and components. It is a single-pole, single-throw (SPST), non-latching relay with a 10 Amp current carrying capacity and a coil rated at 1650 ohms. It has a voltage range of 12 to 48 Volts DC, and no contact gap between the terminals. It is RoHS compliant, which means it meets the directive on the restriction of certain hazardous substances in electrical and electronic equipment.