Safety relay for emergency stop and safety door up to SIL 1, SIL CL 1, Cat. 1, PL c, depending on the application up to SIL 3, SIL CL 3, Cat. 4, PL e, single-channel operation, 4 enabling current paths, US = 24 V AC/DC, plug-in screw terminal blocks. Series PSR CLASSIC Series Current Rating 3 A Depth 0.197" (5mm) Dimensions 22.5 x 99 x 114.5 mm Length 0.885" (22.5mm) Mounting Style DIN Rail Output Type Electromechanical Power Rating 288 VA ; 42 W Supply Voltage 250 VAC/VDC Maximum Operating Temperature +55 °C Minimum Operating Temperature -20 °C Terminal Type Screw Termination Screw Type Safety Relay Width 3.898" (99mm) Function Safety Contact Current Rating 3 A Input Type Voltage Number of Channels 1 Channel Relay Type Electro Mechanical Temperature Operating Range -20 to 55 C Voltage Rating 250 VAC/VDC Voltage, Control 24 VAC ; 24 VDC