Product Information
- Fan relay actuation: Selectable from 15 to 75 ppm Nh3
- Output: fan relay, alarm relay and 4-20ma current loop
- Controls: Digital display (0-100 ppm), buzzer, fan Delay, fan minimum runtime
- Mounts on a standard 4” x 4” electrical box
- 5 a spdt fan relay controls starters of exhaust fans