System Sensor 4WTA-B Smoke & Thermal - 4 Wire 9600 including high-rise stairwell and elevator

including high-rise stairwell and elevator lobby doors where the use of electric strikes and magnetic locks is prohibited

allowing you to easily check its functionality at regular intervals

54mA (12V In)

With this device in place

reliable protection

System Sensor 4WTA-B Smoke & Thermal - 4 Wire 9600 including high-rise stairwell and elevatorSystem Sensor 4WTA B Smoke & Thermal 4 Wire The 4WTA B is a 4 wire, photoelectric i3 smoke detector with a 135F fixed thermal sensor, and has local sounder. This would be a updated upgrade from the 4WT B detector. Replacement for the the 4WT B. Alarm Contact Ratings: 0. 5 A @ 30V AC DC Alarm Current: 20mA max. @ 12V, 23mA @ 24V Detection: Photoelectric Dimensions: 2. 0" (51mm) H x 5. 3" (127mm) Dia. Freeze Trouble: 41F (5C) Heat Sensor: 135F (57. 2C)