The RH1B-UDC24V is a 1-pole standard plug-in Power Relay with diode, 10A contact current rating, 750O coil resistance and 24VDC coil voltage. It uses silver cadmium oxide contacts to help reduce voltage arcing. Compact midget size saves space SPDT contact configuration 10A high switching capacity Blade type terminals Applications Industrial Specifications Electrical Specifications (coil rating) Rated Voltage 3 24 VDC Mechanical Specifications Product Type RH Power Relay Contact Configuration SPDT Terminal Shape Blade Terminal Number of Poles 1