C3 octal socket relay. C3 Pin terminals are interchangeable with other commonly available C3 relays. C3 AgNi contacts, environmentally friendly - cadmium free. C3 Mechanical indicator provided as standard to easily determine relay status. C3 Mechanical actuator provided as standard for checking the control circuit operation without energizing the relay. Schematic diagram and terminal markings on the relay for easy reference. C3 Compatible Sockets: GPRS-P2C10** use GPRA-SP08G1 or GPRA-SP08U1. GPRS-P3C10** use GPRA-SP11G1 or GPRA-SP11U1. cURus and CE for acceptance in global applications.