Pump Start Relay Electrical Specifications Models Single Phase 3 Phase Max. Full Load Amps Max. Resistive Amps Coil VA Coil VA HP at 120 VAC HP at 230 VAC HP at 230 VAC Inrush (Amps) Holding (Amps) PSR-22 2* 3* N/A 30 40 30 (1.25) 6.5 (0.27) PSR-52 3 7.5 N/A 40 50 60 (2.50) 5 (0.21) PSR-53 3 7.5 10 40 50 60 (2.50) 5 (0.21) Note: *Approximate power