Intermatic DTAV40M 24-Hour Electromechanical Defrost Timer - Mechanism Only

IntermaticSKU: DTAV40M

Sale price $137.10
In stock


Specifications | Instructions

For electric heat, hot gas or compressor shutdown defrost. The DTAV40 Series Auto Voltage Defrost Timer 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 terminates the defrost cycle if the temperature or pressure switch fails to do so.


  • Improved relay performance
  • Automatically detects and adjusts input voltages (120-240 VAC)
  • Moisture resistant conformal-coated board
  • Time Initiated, Temperature, Pressure or Time Terminated
  • Captive trippers are field adjustable to 15-minute intervals
  • No tools required – snaps into alternative enclosures
  • Moisture resistant conformal-coated board
  • LED indicators for defrost and refrigeration cycles
  • Defrost cycles are programmed independently
  • Real-time clock face for quick, easy and accurate setting


  • Walk-in Refrigeration Cooler/Freezer


Input Voltage Range(s) 120/240 VAC, 60 Hz Mounting Options Bracket
Resistive 40 A, 120 VAC, 60 Hz, 40 A, 208 VAC, 60 Hz, 40 A, 240 VAC, 60 Hz Switch Type 1 SPDT, 1 NC SPST
Time Initiation Time Time Termination Pressure, Temperature, Time
Has Real-time Clock Face Yes Minimum ON/OFF Times 15 min
Maximum ON/OFF Times 23 hours, 45 min Mechanism Type Electromechanical
ON/OFF Operations 48 Warranty Period 1-Year limited
Wiring Option Screw box lug terminals up to one #8 AWG wire Application Compatibilities Commercial Refrigeration, Walk-in Cooler, Walk-in Freezer
Backup Protection Time None Category Defrost Timers Web
Defrost LED Indicator Red Electrical Life 50,000 operations at full load
Has Captive Trippers 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
RoHS Certification Yes Voltage Selection Type Auto Voltage
Wire Size Max #8 AWG Operating Temperature Max (°C) 40
Operating Temperature Max (°F) 104 Operating Temperature Min (°C) -40
Operating Temperature Min (°F) -40 Unit Carton Height (in) 2.5
Unit Carton Length (in) 7.125 Unit Carton Weight (lb) 0.898
Unit Carton Width (in) 5.125

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