First Alert VISTAHEXPHW VISTA H Zone Expansion Module

The VISTAHEXPHW hardwired zone expansion module allows you to add 8 additional hardwired zones (16 with zone doubling) per module to a VISTAH system. The module has a built-in tamper allowing detection and reporting if the front cover is removed and is supervised so if the wiring is cut a supervision alarm will result indicating the module may not be operational. The flexibility to mount the module on a surface wall or to a gang box depending on the installation environment and the terminal strips are removeable to give installers easier access to help making wiring easier. Main Features 8 Hard wired zones per module Supports normally open, normally closed, double balanced, zone doubling and End of line resistors type Power supply regulation on board Loop Response Time 400ms Required Loop Resistance 2K ohm Operating Temperature 32 to 122 F, 0 to 50 C