TE Connectivity PCH Series Miniature PCB Mount Power Relay – TE Connectivity 1721766-5, A 5A 12V DC PCB mounting relay with a SPDT contact configuration that is suitable for general purpose use and especially suitable for use in applications such as domestic appliances, heating control, building control, measurement and monitoring systems. TE Connectivity PCH-112D2-WG SPDT Relay 5A 12VDC PCB Mount