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Automatic Lighting Type
Automatic Timers
Photocell Sensors
Wall Switches, Keypads & Touchscreens Type
Wall Switches & Dimmers
Timers Type
Wall Mounted Timers
Load Type
Fluorescent Load
Incandescent / Halogen
LCD Display
Multi-Way Ready
Sunrise / Sunset Tracking
# of Loads
1 Load
Maximum Timed Events
1 Event
# of Buttons
1 Button
Trim Plate Design
Decora / Paddle
Maximum Incandescent Load
500 Watts.
Ease of Installation
Beginner (Installs < 10 minutes)
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Set Automatic Timer to Desired Schedule For Your Appliances
Intermatic EI400C Digital Auto-Off Timer, Ivory
Intermatic EI400C Digital Auto-Off Timer, Ivory
Intermatic EI400C Digital Auto-Off Timer, Ivory
Item# 25079IV
Price: Normally $64.10 
Hot Deal $32.81
Free shipping on orders over $175 - See Details


  • Digital Auto-Off Timer
  • Controls all voltages and frequencies
  • Lithium battery provides up to three years of time keeping
  • Silent to operate
  • Easy to install

Essential Info

The Intermatic EI400C Digital Auto-Off Timer is easy to install and absolutely silent to operate. Functions to control all voltages and frequencies (within the contact ratings) with no adjustments required. Comes with a factory supplied CR2 lithium battery which provides up to three years of time keeping without AC power and the user program selection is stored in non-volatile memory. A low battery indicator appears in the display when the battery requires replacement. It also features a field selectable warning that provides an audible and/or visual signal that the load is about to switch off. This timer offers "true" 3-way control allowing the load interval to be started and stopped using a standard mechanical switch.

This product is also available in white and light almond.

This timer can be used for controlling indoor lighting, outdoor lighting, pumps & fans, HID lighting, library lights, classroom lights, fluorescent lighting, PAR lights, heaters, recreational vehicles, air conditioners, porch lights, and carriage lights.



  • Switch: 3-way (Multi-way) Compatible
  • Switch Rating
    • Resistive (heater): 20 Amp, 120-277 VAC;
    • Tungsten (incandescent): 15 Amp, 120 VAC; 6 Amp, 208-277 VAC;
    • Ballast (Fluorescent): 16 Amp, 120-277 VAC;
    • Motor: 1 H.P., 120 VAC; 2 HP, 240 VAC; 4 Amp,
  • Special Voltages and Cycles: 50 or 60 Hz
Important notes:
Defective exchanges for identical item within 30 days of purchase. After 30 days, please contact the manufacturer.
Manufacturer contact information: Intermatic Inc, Tel: (815) 675-7000


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