Intermatic - ET2105C - 24-Hour/365 Day 1-Circuit Electronic Control, 120-277 VAC

IntermaticSKU: ET2105C

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Spec Sheet  Install Manual

Intermatic ET2105C 24-Hour/365 Day 1-Circuit Electronic Control, 120-277 VAC, SPST, Indoor Metal Enclosure

The ET2000 Series offers an easy-to-use interface, while still allowing to-the-minute scheduling capabilities for nearly any application. This series provides 50 holiday blocks with independent scheduling to ensure the loads are always in the proper ON/OFF state. This series also includes 96 ON/OFF events for even the most demanding schedules. The scheduling capabilities, configurable outputs, and a 100-hour backup without the need of batteries, make this series ideal for nearly any application.


  • 100-hour supercapacitor eliminates the need for batteries
  • Up to 96 set points or events
  • Up to 50 holiday blocks with schedule capabilities
  • Automatic input voltage selection from 120 to 277 VAC, 60 Hz
  • Additional mode of operation turns the ON/OFF buttons into 2-hour overrides
  • Configurable outputs allow the control of various voltages and applications
  • Relays incorporate zero-crossing technology to extend the life of the control
  • Non-volatile EEPROM memory protects programming indefinitely
  • LED compatible
  • USB port makes transferring and saving of schedules easy


    • Indoor Lighting Control
    • Machinery & Pump Controls
    • Timing/Scheduling ON/OFF


    Backup Type Supercapacitor Input Voltage Range(s) 120-277 VAC, 60 Hz
    Maximum ON/OFF Operations 96 Number Of Circuits 1
    Operation Mode 24 hour Switch Type SPST
    Enclosure Type Indoor type 1 metal Minimum ON/OFF Times 1 min
    Operation Features Holiday Electronic Series ET2000 Series
    Maximum ON/OFF Times Indefinite Maximum Power Consumption (W) 3 W
    ON/OFF Operations 96 Warranty Period 2-Year limited
    Wiring Option Terminals Application Compatibilities LED
    Backup Protection Time 100 Hour Backup Restoration Time 30 Minutes
    Category Electronic Controls Web Daylight Savings Adjustment Automatic
    Electronic Ballast LED 10 A Electronic Ballast Load Ratings NO Ranges 10 A, 120/277 VAC
    Inductive Load Ratings NO Ranges 30 A, 120-240 VAC Knockout Dimensions Back (1) combination 1/2" - 3/4"
    Knockout Dimensions Bottom (2) combination 1/2" - 3/4" Magnetic Ballast (NO) Range(s) 20 A, 120-277 VAC
    Motor Load Ratings NO Ranges 1 HP, 120 VAC; 2 HP, 240 VAC Resistive (NO) Range(s) 20 A, 28 VDC; 30 A, 120-240 VAC
    Tungsten (NO) Range(s) 5 A, 120-277 VAC Voltage Selection Type Auto Voltage
    Wire Size Max #8 AWG Wire Size Min #14 AWG
    Operating Temperature Max (°C) 40 Operating Temperature Max (°F) 104
    Operating Temperature Min (°C) -40 Operating Temperature Min (°F) -40
    Product Depth (in) 3.4375 Product Depth (mm) 87.3
    Product Height (in) 7.875 Product Height (mm) 200
    Product Width (in) 5.125 Product Width (mm) 130.2
    Unit Carton Height (in) 8 Unit Carton Length (in) 5.236
    Unit Carton Weight (lb) 2.75 Unit Carton Width (in) 3.15

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