SIMPLEX 4904-9177 06/01 The HSM3408 is a zone

The HSM3408 is a zone expander that adds up to 8 fully programmable zones to any PowerSeries Pro security system

the control module has the capability of running an algorithm in which the device will switch back to monitor mode and check the line for short circuits

SK-ISO – Fault isolator module

Fireray 1170-000 Reflective Detector Adjustment Bracket

SIMPLEX 4904-9177 06/01 The HSM3408 is a zoneFor applications requiring audible visible (A V) notification with horn tones, these Simplex 4903 series appliances combine a high intensity strobe with a low current electronic horn in a compact package that is easy and quick to install. Each appliance can be controlled independently from each other using conventional reverse polarity NACs.