What stands out about this relay and socket is how clearly the terminals are labeled for quick wiring.
TELEMECANIQUE RUN 31A21 BD Relay with RUZ 1A Socket 50/60Hz
You will find that the Relay Bypass Switch Kit saves time during installs and routine checks.
A nice touch is the long wires that let you position the relay switch comfortably.
The relay switch feels sturdy, and you will find that it fits standard sockets nicely.