.The Autonics SR3-1250 is a 3-phase solid state relay with control input of 4-30VDC and switching current up to 50A with nominal voltage of 24-240VAC. It has a wide load range (3-phase), RoHS compliance, and taut band suspension design. This state-of-the-art device provides high accuracy and precision as well as reliable and consistent operation. Its features include zero-crossover point detection, short circuit protection, and output connection terminal blocking. The SR3-1250 is perfectly suited for use in industrial automation, motor control, HVAC equipment, and power monitoring applications.