Relpol Plug-In Protection Modules for GZT/GZM Relay Sockets
- Relpol M91G, The M91G is a 6 to 24V plug-in varistor protection module that limits overvoltage on AC & DC coils & also provides LED indication of coil energisation. Relpol M91G Plug In LED & Varistor Protection Module 6-24V for GZT & GZM Sockets