Johnson Controls M300RJ


Relay Control Module

Availability: Please Call for Lead Time

  • Factory New
Brand: Johnson Controls Part #: 63564 Categories: , Manufacturer Part #: J2351T-IV


The M300RJ Relay Control Module is intended for use in intelligent, two-wire systems where the individual address of each module is selected using the built-in rotary switches. It allows a compatible control panel to switch discrete contacts by code command. The relay contains two isolated sets of Form-C contacts, which operate as a DPDT switch and are rated in accordance with the table in the manual.


Weight 1.00 lbs
Dimensions 4.5 × 4.0 × 1.25 in



m300rJ relay control module
Johnson Controls – Data Sheet