The DC60S3 is a DC-controlled Power Series relay that switches 60 VDC at up to 3 A. They are UL and CSA recognized and are a CE component. This SSR carries a lifetime warranty: Operating Voltage Range 5–60 VDC; Forward Voltage Drop 1.5 volts at 3 amps; Nominal Currrent Rating (Amps) 3; Off-State Blocking 60 VDC; Signal Pickup Voltage 3 VDC 32 Volts allowed; Signal Dropout Voltage 1 VDC; Signal Input Impedeance 1,000 ohms; 1 Second Surge 5 amps; Operating Temp. Range –40 °C to 100 °C; Isolation Voltage 4,000 VRMS; Off-State Leakage 1 mA maximum; Package Type Power series; Turn-on Time 100 microseconds; Turn-off Time 750 microseconds; Dimensions 57.2 x .44.5 x 19.6 mm (H x W x D); NOTE: We do not recommend mounting the terminal side of the SSR to a flat PCB (printed circuit board) or other flat surface, because there may be some variation in terminal height from one terminal to another and from one SSR to another. Use the MP or P series SSRs for PCB mounting.