TE Connectivity PCH Series Miniature PCB Mount Power Relay – TE Connectivity 1721768-5, A 5A 12V DC PCB mounting relay with a SPST-NO 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-112L2M-WG SPST-NO Relay 5A 12VDC PCB Mount