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Ten compact green PCB modules with white terminal blocks and black components

Vszerda

Vszerda HLK-20M12 220V to 12V 20W Step-Down Power Module (10 PCS)

SKU CH-STMX-1Y9Z6

Ten 20 W AC-DC modules convert 90–265 V mains to 12 V with 3000 Vac isolation, low ripple and self-recovery protection

  • Ultra-thin design saves space in tight enclosures
  • Wide 90-265Vac input handles global mains voltages
  • Low ripple and noise delivers clean 12V output
  • circuit and over-current protection with self-recovery
  • 3000Vac isolation barrier separates input from output

Compact AC-DC step-down module for low-voltage

This Vszerda HLK-20M12 module converts mains voltage to a regulated 12 V output rated at 20 W. The pack contains ten identical units intended for embedded electronics, smart-home devices or industrial control boards that require isolated DC power from an AC source.

Verify your mains supply and load requirements

The input accepts a universal range of 90 to 265 Vac, covering 220 V nominal supplies. Confirm that the connected load stays within the 20 W limit and that the enclosure provides adequate creepage for the 3000 Vac isolation rating between input and output terminals.

Stable output with built-in protection during

Low ripple and low noise are maintained across the operating range. Output short-circuit and over-current protection trigger automatically and self-recover once the fault is removed, allowing sustained operation without manual reset or module replacement.

Highlights

  • Ultra-thin design saves space in tight enclosures
  • Wide 90-265Vac input handles global mains voltages
  • Low ripple and noise delivers clean 12V output
  • circuit and over-current protection with self-recovery
  • 3000Vac isolation barrier separates input from output

Specifications

No published specifications for this item yet.

Questions about this item

What is included in the pack and do I need any extra parts?

The pack contains ten HLK-20M12 modules; no extra components are required for basic operation.

The listing shows one model — how do I know which version to pick?

Only the 20 W, 12 V output version is offered, so there is no choice to make.

What does the 20 W rating mean when the module is installed in a device?

It means the module can supply up to 20 W continuously at 12 V from a 90–265 Vac mains input.

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