System Sensor 4WT-B Smoke & Thermal - 4 Wire security 48″ – 1-1/4″ Duty Rating

48″ – 1-1/4″ Duty Rating Electric dogging rated continuous

Eternal input that accepts NC dry contact devices

This hardwired security alarm system is considered to be one of the best on this planet

If there is an emergency

Provide a separate

System Sensor 4WT-B Smoke & Thermal - 4 Wire security 48″ – 1-1/4″ Duty RatingThe 4WT B is a 4 wire, photoelectric i3 smoke detector with a 135F fixed thermal sensor. System Sensor 4WT B Smoke & Thermal Detector 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) fixed Maximum Ripple Voltage: 30% of nominal (peak to peak) Operating Humidity Range: 0% to 95% RH, non