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Compact black rectangular power brick with integrated wall plug and trailing DC cable

DELTA ELECTRONICS

DELTA ELECTRONICS ADP-40BW 40W 12V power adapter

SKU CH-2VW7-0EK5N MPN ADP-40BW

A 40 W, 12 V desktop power supply accepting 100-240 V input at 50-60 Hz

  • Worldwide voltage input 100-240V 50-60Hz for travel flexibility
  • 40W 12V 3.33A output powers compatible devices reliably
  • 2A maximum draw keeps energy use low
  • Genuine Delta Electronics build quality ensures safe operation
  • Tested functional with protection against short circuit and overheating

Purpose and audience

The Delta Electronics ADP-40BW is a 40 W wall-mounted AC adapter that delivers 12 V at 3.33 A. It suits devices such as routers, small network switches or external drive enclosures that require a 12 V DC input and accept a standard barrel connector.

Thermals noise and power

The unit operates from a 100-240 V, 50-60 Hz mains supply drawing up to 1.2 A. With no internal fan it runs silently, and the 40 W rating means heat output stays modest during normal loads. The supplier notes built-in protection against short circuit, incorrect voltage and internal overheating.

Build and connectors

The adapter body may show minor cosmetic marks such as dust or light scratches that do not affect operation. Each unit is tested for intact cables, secure power jacks and absence of internal rattles. The fixed mains plug and barrel output cable limit placement flexibility compared with detachable-cord designs.

Highlights

  • Worldwide voltage input 100-240V 50-60Hz for travel flexibility
  • 40W 12V 3.33A output powers compatible devices reliably
  • 2A maximum draw keeps energy use low
  • Genuine Delta Electronics build quality ensures safe operation
  • Tested functional with protection against short circuit and overheating

Specifications

ModelADP-40BW A

Questions about this item

How do I connect the ADP-40BW to mains power and what polarity does the barrel plug need?

Plug the unit into any 100-240V 50-60Hz socket; the barrel tip is centre-positive 12V 3.33A, so match that on the device side.

Which part of the ADP-40BW is most likely to wear out first?

The output cable and barrel jack see repeated flexing; inspect them periodically for fraying or looseness.

What limits continuous operation of the ADP-40BW at full load?

The 40W rating at 12V 3.33A is the thermal ceiling; sustained draw at that level will eventually trigger internal over-temperature protection.

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