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Simple DIP switch settings for easy configuration
4010 SFIO CPU BD | Discontinued model
Bulk pack with (10) PC2WL single units
The MRI-M500X isolator module is used to prevent wiring faults from affecting the entire circuit
Simplex 4090-9106 Zone Adapter Module for Class A monitoring of 2-wire initiating devices
Space Age SSU-SM-501-N SS-PHOTO-T Simple DIP switch settings forThe SM 501 Series Duct Smoke Detector provides early detection of smoke and products of combustion present in air moving through HVAC ducts in Commercial, Industrial, and Residential applications The unit is designed to prevent the re circulation or spread of smoke by air handling systems, fans, and blowers. Complete systems may be shut down in the event of smoke detection. Features Ionization and Photoelectric versions available Operating voltages