Timer : Green Air High Amperage Relay

This power Relay uses high-amperage-capacity contacts to transfer power to large fans, pumps or lighting systems that require high voltage or amperage service. Prevents premature failure of equipment due to excessive current draw. Allows switching of 240v equipment with 120v controls. Prevents equipment overheating due to insufficient power supply. Provides 30-amp switching capacity with 120v trigger input from control device. Approved for indoor use only. This equipment must be installed by qualified service personnel.