The Intermatic FD4HW is a spring-wound mechanical timer that requires no electrical connection. It is manually set using a timer dial that releases its contacts at a specific time to control power to the connected device. It automatically limits the ON times for fans, lighting, motors, heaters, and other energy consuming loads.
Automatically Limit Time for Energy Consuming Loads
Compatible with Fluorescent, Incandescent, and LED lighting
Suitable for HVAC, Lighting, and Motor Controls applications
Product Highlights
The Intermatic FD4HW timer is ideal for automatically limiting time for energy consuming loads. It is compatible with a variety of lighting and HVAC systems.
Product Information
Standard Information
Brand: INTERMATIC
Manufacturer Part Number: FD4HW
Country of Origin: Tunisia
Technical Specifications
Applicable AC Voltage Ranges
277V AC
Application
HVAC; Lighting; Motor Controls
Body Color
White
Brand
INTERMATIC
Compatible Lighting
Fluorescent; Incandescent; LED
Contact Form
SPST
Current Rating
20 A
Features
Automatically Limit Time for Energy Consuming Loads
Horsepower @ 120V - Maximum
1 hp
Horsepower @ 240V - Maximum
2 hp
Includes Hold
No Hold
Included
No Wall Plate Included
Indoor/Outdoor Usage
Indoor; Outdoor
Manufacturer Part Number
FD4HW
Number of Gangs
1
Overall Depth
1-1/4 in
Overall Height
4-1/8 in
Overall Width
1-3/4 in
Product Type
Countdown Timer
Series
FD
Standards
cCSAus; RU
Time Setting - Maximum
4 hr
Timer Switch Type
Mechanical
Wattage - Maximum
2,770 W
UNSPSC
39121523
Range
0 - 4 hr
Supply Voltage (Nominal)
120 VAC
Mount
Wall
Supply Voltage
125/277VAC, 50/60Hz
Operation
Manually Twist past desired time, On activation the contacts transfer from normal
Contact Current
Resistive: 20A @125 VAC, 10A @277VAC
Tungsten
7A Tungsten @125 VAC, (Compatable with CFL)
FAN
1 Hp @125 VAC, 2 Hp @240 VAC
Manual Override
Hold on some models
Special Functions
Decorator and full plastic faceplate
Timers Available
15 minute stocked
Operating Temperature
-40
0F to 104
0F (-40
0C to 40
0C)
Operating Humidity
5% to 95% Non-condensing
Wiring Terminations
Terminals, 12 AWG max
Mounting
Vertical Decorator, Single gang 2.5" deep switch box (not included)