Mircom SD-2WT-LED 2-Wire Photoelectric Smoke Thermal DetectorThe SD 2WT is a two wire smoke detector that uses photoelectric technology in conjunction with a fixed temperature heat sensor to further extend its sensing capabilities. Additional two wire models (SD 2WP LED and SD 2WT LED) are available with a remote LED output.

mount up to two on a 4100-3109 module

Nut And Bolt

Reader Intelligent Dual Controller

An internal auto-sensitivity monitoring circuit dynamically checks detector condition and signals maintenance requirements

Riser Monitor Module (Plug-in) – UL/ULC Listed

eBay Macurco WHK-1 - Same Day Shipping (SEALED)

Backbox Enclosure

Item 3008030) is a fully supervised wireless extension device designed to enhance communication between non–explosion-proof dry contact sprinkler monitoring equipment

Releasing systems require maintenance disconnect switches and often require abort switches

Gamewell-FCI MMO-6RF

approximately 1 mA maximum standby

— MS-5024 and MS-5024UD (requires an ADM-24 interface board)