The United Security Products R64 End of Line Relay brings USP's reputation for quality and affordability to your fire protection system. It is adaptable to all standard 4 or 6 wire fire systems and provides either 12 or 24 VDC E.O.L supervision. It is approved by both U.L. and the CSFM.
- Size: 2 3/8" x 2 1/4" x 1"