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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.

How it compares

Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.

Price $21.99
Typical for this category: the median of 3,875 items is $23.99.

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Specifications

Product
Brand nameAITRIP

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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