This is a plug and socket system for connectors used to terminate electrical interconnections. The plug has 12 contacts with a 2.54mm (0.1") pitch, enabling connection of up to 20 circuits. It features a gold-plated copper alloy contact with a rated current of 1A and an insulation resistance of 500M? min at 500V AC. It is suitable for use in applications from -40°C to +105°C. The socket has 4 contacts with a 2.54mm (0.1") pitch, enabling up to 5 circuits. It features a phosphor bronze contact with a nominal current of 1A and a rated voltage of 50V AC. It is suitable for use in temperatures between -55°C and 125°C.