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Black rectangular 24 W power adapter with 5.5 mm barrel plug and 100 cm cable

Dell 24 V 1 A 24 W power adapter 5.5 mm × 2.5 mm barrel connector black

SKU CH-7NQM-3K78T

Supplies 24 V DC at up to 1 A with a 5.5 mm × 2.5 mm barrel plug and includes a screw-terminal female connector

  • Type9 V
  • Changer TypeUSB C Charger
  • ColorBlack
  • Cable Length5 in.
  • Specifications24 watts, 24 volts_of_direct_current, 1 amps, 120 volts_of_a
  • Connector ABarrel Connector(5.5
  • Delivers stable 24 V DC at up to 1 A for 24 W devices
  • Universal 100-240 V AC input with 50/60 Hz operation worldwide
  • 5 mm × 2.5 mm barrel plug with included screw-terminal female connector
  • Built-in over-current, over-voltage and short-circuit protection safeguards equipment
  • Compact 110 g unit with 100 cm cable for flexible placement

What this adapter powers

This Dell 24 V 1 A supply delivers up to 24 W to devices that draw 1 A or less. It suits 24 V LED strips, CCTV cameras, routers, modems and similar low-power equipment. The 5.5 mm × 2.5 mm barrel plug also fits 2.1 mm inner-pin sockets. Indoor use only.

The deciding specification

Output is fixed at 24 V DC with a 1 A maximum, so any load above 24 W will exceed the rating. The unit accepts 100 V to 240 V AC at 50 Hz or 60 Hz, making it usable on mains supplies worldwide. Polarity is centre-positive, sleeve-negative.

Behaviour under sustained load

Built-in protection guards against over-current, over-voltage and short-circuit during continuous operation. The adapter is rated for ambient temperatures from -10 °C to 50 °C while running. A 100 cm cable and an included screw-terminal DC female connector allow a secure, solder-free installation.

Highlights

  • Delivers stable 24 V DC at up to 1 A for 24 W devices
  • Universal 100-240 V AC input with 50/60 Hz operation worldwide
  • 5 mm × 2.5 mm barrel plug with included screw-terminal female connector
  • Built-in over-current, over-voltage and short-circuit protection safeguards equipment
  • Compact 110 g unit with 100 cm cable for flexible placement

Specifications

BrandDell
Type9 V
Changer TypeUSB C Charger
ColorBlack
Cable Length5 in.
Specifications24 watts, 24 volts_of_direct_current, 1 amps, 120 volts_of_alternating_current, Barrel Connector(5.5, 50/60Hz, type_a_2pin_na, 0
Connector ABarrel Connector(5.5
Connector BBarrel Connector(5.5
Cable Jakcet TypePlastic
Connector StyleMale
FeaturesBarrel Connector(5.5, Corded Electric, 0, DC, 24 watts
Dimensions14.33in W x 12.83in H x 9.06in D
Weight110 grams
Package Quantity1
Package Contents1
Disclaimer1 year, not_applicable

Questions about this item

What does the 24 W rating mean for a device I connect?

The adapter supplies up to 24 V DC at 1 A, so any 24 V device drawing 1 A or less — for example 0.2 A, 0.5 A or 1 A — will operate within its limits.

What does the 100-240 V AC input actually cover?

It accepts mains voltages from 100 V to 240 V at 50 Hz or 60 Hz, allowing use on standard household supplies worldwide without a separate voltage selector.

Will the 5.5 mm × 2.5 mm barrel plug fit my equipment?

The plug has a 5.5 mm outer diameter and 2.5 mm inner diameter; it also mates with 2.1 mm inner-diameter jacks, and the package includes a screw-terminal female connector for custom wiring.

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