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Two small green circuit boards with black components and silver heatsinks

KEHIPI

KEHIPI 2PCS AC-DC Power Supply Module 12V 2A 24W Isolated Step Down Board

SKU CH-2K6D-R7GJX

Two isolated AC-to-DC modules convert 100–264 V mains to a steady 12 V at 2 A with 24 W output and built-in protection

  • Wide 100-264 V AC input suits global mains
  • Isolated 12 V ±1 % output protects sensitive circuits
  • 2 A continuous current delivers up to 24 W
  • Triple protection guards against over-voltage, over-current and short-circuits
  • Dual heatsinks keep temperatures low for longer module life

Dual AC-DC power modules for 12V 2A projects

Two isolated step-down boards convert AC 100-264 V at 47-63 Hz into a stable 12 V ±1 % output rated at 2 A and 24 W. Each module includes over-voltage, over-current and short-circuit protection for safe bench or enclosure use.

Sustained load behaviour

The supply maintains its 2 A rating with a load regulation of ±1 % and ripple below 60 mVp-p. Efficiency sits at about 80 %, so continuous operation produces modest waste heat that the dual heatsinks dissipate without forced airflow.

Thermals noise and power draw

Average input current stays between 0.03 A and 0.1 A, rising to a 30 A cold-start surge at 230 V AC. Leakage current remains under 2 mA, and the fanless design runs silently. Standby hold time is 80 ms at 220 V AC.

Highlights

  • Wide 100-264 V AC input suits global mains
  • Isolated 12 V ±1 % output protects sensitive circuits
  • 2 A continuous current delivers up to 24 W
  • Triple protection guards against over-voltage, over-current and short-circuits
  • Dual heatsinks keep temperatures low for longer module life

Specifications

BrandAITRIP

Questions about this item

How much heat will the dual heatsinks need to dissipate when this 24W module runs continuously at full load?

At 80% efficiency the module draws about 30W from the mains, so roughly 6W becomes heat that the two heatsinks must shed during all-day operation.

What mains wiring and enclosure must I already have to connect the 100-264V AC input terminals safely?

You need a fused AC supply cable rated for at least 0.2A, a grounded enclosure that meets local electrical codes, and screw or solder connections for the module's input pins.

Will the 30A cold-start surge at 230V AC trip the breaker on an older 10A lighting circuit?

The 30A surge lasts only milliseconds; a standard Type B or C 10A breaker typically tolerates it, but very old thermal-only breakers may nuisance-trip.

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