Intermatic - DTAV40E2 - 24-Hour and/or 7-Day Electronic Defrost Timer

IntermaticSKU: DTAV40E2

Sale price $174.28
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Install Manual

The DTAV40E2 Electronic Autovoltage Defrost Timer has flexible 7-day scheduling and to-the-minute defrost duration control to increase system efficiency (decrease defrost scheduling during low demand periods). It is applicable to air defrost (compressor shutdown) and electric or hot gas defrost systems where the defrost cycle is terminated by the timer. If the coil is frost-free, the timer can also be terminated by temperature or pressure switches before the programmed defrost termination time has been reached. The time termination functions as a fail-safe and cancels the defrost cycle if the temperature or pressure switch fails to do so.


  • 24-Hour/7-Day flexible scheduling increases system efficiency
  • 40 A, 2 HP rating
  • DTAV40E2 replaces over 40 competitive models
  • Autovoltage automatically adjusts between 120 and 240 VAC, 50/60 Hz
  • Self-recharging battery backup with 2500-hour carry-over
  • Can mount in an existing enclosure – no tools required for installation
  • LED indicators for defrost and refrigeration cycles
  • Finger-safe box lug terminals
  • Simple to program electronic timer
  • Simple to program electronic timer


  • Walk-in Refrigeration Cooler/Freezer


Backup Type Battery Input Voltage Range(s) 120/240 VAC, 50/60 Hz
Mounting Options Bracket Resistive 40 A, 120 VAC, 50 Hz, 40 A, 120 VAC, 60 Hz, 40 A, 208 VAC, 50 Hz, 40 A, 208 VAC, 60 Hz, 40 A, 240 VAC, 50 Hz, 40 A, 240 VAC, 60 Hz
Switch Type 1 SPDT, 1 NC SPST Time Initiation Time
Time Termination Pressure, Temperature, Time Enclosure Type Outdoor type 3R plastic
Minimum ON/OFF Times 1 min Maximum ON/OFF Times 23 hours, 45 min
Mechanism Type Digital/Electrical ON/OFF Operations 98
Warranty Period 1-Year limited Wiring Option Screw box lug terminals up to one #8 AWG wire
Backup Protection Time 2500 Hours Battery Service Type Rechargeable
Battery Type NiMh Category Defrost Timers Web
Defrost LED Indicator Green, Red Electrical Life 50,000 operations at full load
Has Finger-Safe Terminals Yes Motor (Three-Phase) 1 HP, 16 FLA, 96 LRA @ 120 VAC, 2 HP, 12 FLA, 72 LRA @ 240 VAC
Operating Humidity 0-95% RH, Non-condensing Resistive Load Ratings Ranges 40 A, 120-240 VAC
Wire Size Max #8 AWG Operating Temperature Max (°C) 40
Operating Temperature Max (°F) 104 Operating Temperature Min (°C) -25
Operating Temperature Min (°F) -13 Unit Carton Height (in) 10.125
Unit Carton Length (in) 6.75 Unit Carton Weight (lb) 1.896
Unit Carton Width (in) 3.938

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