Safety Relays: Type - Safety Relay; Power Supply - 24V DC; Material - Polyamide (Case); Operating Temperature - -20 to 55 Deg C; Mounting - DIN Rail; Dimensions - in - 2.65"W x 3.89"H x 4.50"D; Additional Information - Connection method: Screw, Rated surge Voltage: 0.8 kV; Manufacturer Series - PSR-SCP