SIMPLEX 4904-9177 06/01 the control module has the

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

— SIGA-SB4 4-inch Detector Mounting Base c/w Trim Skirt

SK-ISO – Fault isolator module

The SK-RELAY allows a Silent Knight FACP to switch discrete contacts by code command

the appliance can be simply installed by snapping it on the base

SIMPLEX 4904-9177 06/01 the control module has theFor 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.