Intermatic - FF4H - Spring Wound Countdown Timer, Commercial, Silver VBJMBB It provides continuous ON/OFF cycling

It provides continuous ON/OFF cycling in a pattern which will repeat every 12 hours

Preassembled units save the contractor time and reduce installation costs

When using the HRC 990 the keyed plug can only be installed one way

SCCR: 20kA

Intermatic - FF4H - Spring Wound Countdown Timer, Commercial, Silver VBJMBB It provides continuous ON/OFF cyclingSpec Sheet Install Manual Intermatic FF4H Spring Wound Countdown Timer, Commercial, 125 277 VAC, 50 60 Hz, SPST, 4 Hour Max, Without Hold, Silver The FF Series Commercial Countdown Timers are designed to replace any standard wall switch and do not require electricity to operate. These energy efficient switches automatically limit the ON times for fans, lighting, motors, heaters, and other energy consuming loads. A commercial "brushed metal" look plate