Intermatic - FF4H - Spring Wound Countdown Timer, Commercial, Silver

IntermaticSKU: FF4H

Sale price $39.69
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Spec 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 (plastic construction) meets NEC requirements. *NOTE: Not for use with sunlamps, saunas, or loads that could cause personal injury if timed incorrectly.


  • 4-Hour timer
  • No electricity required to operate
  • SPST (Single-Pole Single-Throw
  • Breaks circuit at end of timing cycle
  • Replaces any standard or decorator single-gang wall switch
  • Automatically limits ON time for energy consuming loads
  • Quick and easy installation
  • Time-saving up front terminal connection with teeter-type terminals
  • Brushed metal look switch plate meets NEC requirements (plate is included)
  • Incandescent/fluorescent/CFL/LED compatible


  • Air Movement & Ventilation
  • Indoor Lighting Control
  • Motor Control
  • Outdoor Lighting Control


Color Silver Input Voltage Range(s) 125-277 VAC, 50/60 Hz
Operation Mode Countdown Switch Type SPST
Wiring Configurations Single Hold Mode Included No
Wall Plate Configurations Single-Gang, Multi-Gang Countdown Time 4 hrs
Mechanism Type Analog/Mechanical Neutral Connection Required No
Warranty Period 1-Year limited Application Compatibilities CFL, Fluorescent, Incandescent, LED
Category Spring Wound Countdown Timers Web Includes Wall Plate Yes
Motor Three Phase Ranges 1 HP, 125 VAC; 2 HP, 250 VAC Resistive Heater 20 A, 2500 W, 125 VAC; 10 A, 2500 W, 250 VAC; 10 A, 2770 W, 277 VAC
Tungsten (Incandescent) Range(s) 7 A, 125 VAC, 50/60 Hz, 875 W Tungsten Incandescent 7 A, 125 VAC, 50 Hz, 7 A, 125 VAC, 60 Hz, 875 W
Operating Temperature Max (°C) 49 Operating Temperature Max (°F) 120
Operating Temperature Min (°C) 4 Operating Temperature Min (°F) 40
Product Depth (in) 1.25 Product Depth (mm) 31.8
Product Height (in) 4.125 Product Height (mm) 104.8
Product Width (in) 1.75 Product Width (mm) 44.5
Unit Carton Height (in) 4.63 Unit Carton Length (in) 2.88
Unit Carton Weight (lb) 0.299 Unit Carton Width (in) 2.13

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