120 To 240V Auto Voltage Defrost Timer 40A NEMA 3R For HVAC And Fridge Setups Defrost Control With Compressor Shutdown Hot Gas Or Electric Defrost For Commercial And Residential Use

Single-unit auto voltage defrost timer for HVAC fridges
✔️ 120-240V auto voltage defrost timer, 40A resistive output

The DTAV40M auto voltage defrost timer is a rugged control used in HVAC and refrigeration to end defrost cycles. It works with air defrost (compressor shutdown) and electric or hot gas defrost systems and can be terminated by a timer or by temperature or pressure switches if frost-free coils are used. The unit is a single-unit timer, 5 inches long by 2 inches wide, manufactured in the United States.

✅ Output: 40A resistive, 2HP at 250Vac
✅ Timer type: Synchronous, -4°F to 104°F (-20°C to 40°C)
✅ Electrical life: 50,000 operations at full load
✅ Applicable defrost methods: air defrost (compressor shutdown) and electric or hot gas defrost
✅ Made in United States

💡 What is a defrost timer used for in HVAC and refrigeration systems?

A quick overview: - It controls when a defrost cycle starts and ends.
- It terminates defrost by timer; temperature or pressure switches can stop defrost on frost-free coils.
- Works on 120-240V systems with heavy-load outputs up to 40A.
- Handy for both residential and commercial HVAC and refrigeration setups.
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