Relay Accessories SE Relays Relay Accessories include a wide range of solutions to simplify panel building and reduce maintenance time. Plastic or stainless steel Mating Hold Down Clips help safely secure a relay to the socket. Socket Modules provide optional circuit protection. Relay Mounting Adapters are designed for mounting to DIN rail or panel without a socket. Coil Bus Jumpers allow connection to adjacent sockets without additional wiring. When mated with SE Relays sockets and accessories, the relays provide a complete solution.