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Black US-plug 12 V 1 A power adapter with 5.5 × 2.1 mm barrel jack

ULTRA POE

ULTRA POE PS-DC1000WUx1 12V 1A US Plug 5.5×2.1mm

SKU CH-GFPC-K91RT

A 12 V 1 A desktop power supply with a 5.5 × 2.1 mm barrel plug, US mains plug, 100–240 V 50/60 Hz input and UL-listed safety protections

  • Adapter typeUS Plug
  • First connectorDC Jack
  • Product type1A [1 Pack]
  • Product colorBlack
  • Details1 pack
  • UL listed safety approval protects connected devices
  • Auto cut-off guards against overload, over-voltage and overheat
  • circuit protection prevents damage to equipment
  • Wide 100-240 V input suits global mains supply
  • 5×2.1 mm DC jack fits many 12 V devices

12 V 1 A US plug adapter

This 12 V DC power adapter delivers 1 A from a US plug and a 5.5 × 2.1 mm barrel connector. It accepts 100-240 V AC at 50/60 Hz, making it suitable for CCTV cameras, external drives, telescope motors and monitors that require 12 V DC input.

Silent operation with protection circuits

The unit runs with no audible noise and maintains a low operating temperature during normal use. Built-in safeguards provide overload, over-voltage, over-temperature and short-circuit auto cut-off for stable output.

UL listed with pure copper cord

A UL listing confirms the safety approval for this adapter. The 2-pole cord uses pure copper conductors and eco-friendly PVC for heat resistance and durable daily connection.

How it compares

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

Price $8.99
Cheaper than about 94% of the 3,875 comparable items (median $23.99).

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Specifications

Product
Brand nameUltrapoe
Product linePower supply adapter
Model name12 V 1A
Part numberPS-DC1000WUx1
Product type1A [1 Pack]
Adapter typeUS Plug
Product colorBlack
Ports & slots
First connectorDC Jack

Questions about this item

How do I connect the 5.5×2.1 mm barrel plug to my 12 V device without reversing polarity?

Align the centre pin with the positive terminal on your device, then push the jack firmly until it seats; the US plug folds directly into a 100-240 V 50/60 Hz outlet with no extra wiring.

Which protection circuit is most likely to activate first after months of continuous 1 A load?

The over-temperature auto cut-off typically trips first under sustained full-load operation, shutting the unit down until it cools.

At what output current does the overload auto cut-off engage on this 1 A model?

The overload protection triggers when the draw exceeds the rated 1 A, instantly cutting power to protect both adapter and connected equipment.

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