System Sensor WFD20EXP S/F 15/09 4100+ MCTLR UPGD TO ES

4100+ MCTLR UPGD TO ES 2X40

Handsets are available in black or red

supervises the outputs of up to three primary amplifiers and one backup amplifier by comparing the amplifier output to the amplifier input that is available on the OMM-1 Output Master module

meet the requirements of the following standards

System Sensor WFD20EXP S/F 15/09 4100+ MCTLR UPGD TO ESRobust Construction. The WFDEXP series consists of a rugged, NEMA 4 rated cast aluminum housing. Designed for both indoor and outdoor use, the WFDEXP series operates across a wide temperature range, from 32F to 160F. Inside, two sets of SPDT (Form C) synchronized switches are enclosed in a rugged terminal block to assure reliable performance. Reliable Performance. The WFDEXP series offers unique features that assure greater operational reliability. By