Johnson Controls M301MJ Addressable Mini Monitor Module JOHNSON CONTROLS M500MJ The relay contains two isolated

The relay contains two isolated sets of Form C contacts

Two-wire SLC loop connection

The IDP-RELAY contacts can be used for virtually any normally open or normally closed application

projected beam smoke detector

When not connected to a fire alarm panel

Johnson Controls M301MJ Addressable Mini Monitor Module JOHNSON CONTROLS M500MJ The relay contains two isolatedJohnson Controls M301MJ is a miniature monitor module that supervises a Style B (Class B) circuit of dry contact input devices. The M301MJ is intended for use in intelligent, two wire systems where the individual address of each module is selected using rotary switches. It provides a two wire initiating device circuit for normally open contact fire alarm and security devices.