Siemens 30 A 3P-NO Solid State Relay, Zero Crossing, Chassis Mount Thyristor, 600 V Maximum Load. Minimum Load Current: 0.5 A. Minimum Load Voltage: 48 V. Minimum Control Voltage: 4 V dc. Maximum Control Voltage: 30 V dc. Terminal Type: Screw. Maximum Turn On Time: 1 (+1/2 cycle) ms. Dimensions: 45 x 47.5 x 95mm. Maximum Operating Temperature: +60°C. Control Voltage Range: 4 → 30 V dc. MPN: 3RF2230-1AC45