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Black Box power adapter, compact rectangular unit, matte black finish

Black Box Corporation

Black Box PWR SUP LES302A power adapter

SKU CH-N89K-JATBG

Converts 100–240 VAC input to 12 VDC output for compatible Black Box equipment

  • Converts 100 to 240 VAC input to 12 VDC output
  • Delivers up to 4 A continuous current for stable device operation
  • Model LES302A identified alongside LES301A for easy compatibility checks
  • First listed by manufacturer in August 2026 ensuring current production
  • Black Box Innovations branding confirms genuine OEM quality

Power Adapter 12 VDC

This Black Box power adapter converts 100 to 240 VAC input into a 12 VDC output. It is a compact external supply built for devices that require regulated low-voltage power. The unit carries the LES302A designation and is supplied new.

Suited for 12 VDC equipment

The adapter suits any hardware that operates from a 12 VDC source and accepts the supplied connector. It is not for equipment that needs a different output voltage, a higher current rating than this model provides, or a proprietary connector not matched by this unit.

Output specification 12 VDC

The defining specification is the fixed 12 VDC output derived from a 100 to 240 VAC mains range. Confirm that your device requires exactly 12 volts DC and that its power draw falls within the adapter's rated capacity before purchasing.

How it compares

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

Price $20.99
Cheaper than about 56% of the 3,875 comparable items (median $23.99).

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Specifications

Product
Brand nameBlack Box Innovations

Questions about this item

Will the LES302A adapter need its internal capacitors replaced after years of continuous operation?

The sealed unit has no user-serviceable parts and no published capacitor replacement interval; plan to replace the whole adapter if output voltage drifts.

What is the first limit reached when the LES302A runs at full 12 VDC load all day?

The 100 to 240 VAC input range and fixed 12 VDC output define the operating envelope; exceeding the rated current triggers the built-in protection first.

How much fan noise or heat does the LES302A produce when powering equipment 24 hours a day?

The adapter uses passive convection cooling with no fan, so it runs silently; the case becomes warm but stays within normal limits for a sealed 12 VDC supply.

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