System Sensor 2WT-B I3 Series 2-Wire Photoelectric Thermal Smoke Detector

System Sensor 2WT-B I3 Series 2-Wire Photoelectric Thermal Smoke Detector Contains: i3 2WT-B Smoke Detector Plug-in Detector Line Mounting Base

System Sensor 5601P 135 Degree Fixed Temperature/ Rate of Rise Heat Detector (Single Circuit)

System Sensor 5601P 135 Degree Fixed Temperature/ Rate of Rise Heat Detector (Single Circuit) - Fixed Temp and Rate of Rise activation - Restorable Rate of Rise sensing for field testing - Single Circuit High Temp Sensor

System Sensor 2W-B I3 Series 2-Wire Photoelectric Smoke Detector

System Sensor 2W-B I3 Series 2-Wire Photoelectric Smoke Detector  Two Wire 12V DC Large wire entry port Stop-Drop 'N Lock attachment to base Removable detector cover and chamber Built-in remote maintenance signaling Drift compensation and...

System Sensor 2WTA-B I3 Series 2-Wire Photoelectric Thermal Smoke Detector With Sounder

System Sensor 2WTA-B I3 Series 2-Wire Photoelectric Thermal Smoke Detector With Sounder

System Sensor 4WB I3 Series 4-Wire Photoelectric Smoke Detector

System Sensor 4WB I3 Series 4-Wire Photoelectric Smoke Detector Four Wire 130 mA max Large wire entry port Stop-Drop 'N Lock attachment to base Removable detector cover and chamber Built-in remote maintenance signaling Drift compensation and...

System Sensor Carbon Monoxide Gas Detector 4-Wire 12/24V with Real Test

System Sensor CO1224T Carbon Monoxide Gas Detector with Real Test   12 or 24 volt operation 4 Wire operation and monitoring 6 Year end of Life Timer Code Required Trouble Relay Supervision

System Sensor 4WT-B I3 Series 4-Wire Photoelectric Smoke Detector w/ Thermal

System Sensor 4WT-B I3 Series 4-Wire Photoelectric Smoke Detector W/ Thermal  Four Wire 24V DC Large wire entry port Stop-Drop 'N Lock attachment to base Removable detector cover and chamber Built-in remote maintenance signaling Drift...

System Sensor 4WTA-B I3 Series 4-Wire Photoelectric Smoke Detector w/ Thermal and Sounder

System Sensor 4WTA-B I3 Series 4-Wire Photoelectric Smoke Detector W/ Thermal and Sounder Four Wire 24V DC Large wire entry port Stop-Drop 'N Lock attachment to base Removable detector cover and chamber Built-in remote maintenance...

System Sensor Round Carbon Monoxide Gas Detector 4-Wire 12/24V with Real Test CO1224TR

CO1224TR   System Sensor CO1224TR Round Carbon Monoxide Gas Detector with Real Test   12 or 24 volt operation 4 Wire operation and monitoring 6 Year end of Life Timer Code Required Trouble Relay Supervision

System Sensor I3 Polarity Reversal Module

The RRS-MOD polarity reversing relay/ synchronization module is intended for use with 2-wire and 4-wire i3 series detectors equipped with a built-in sounder, models 2WTA-B, 4WTA-B, 4WTAR-B, and 4WITAR-B. It is designed to allow all the detectors in the...

4209U V-Plex Group Zoning Remote Point Module

Combines two-wire smoke detectors from an area of the protected premises into group zones Can be attached remotely or at the panel All loops are EOLR supervised (2K, supplied) Provides power and supervision for two-wire industry standard smoke...