Dell ALT-2405 24 V 5 A 120 W power adapter 5.5×2.5 mm barrel
Delivers 120 W at 24 V DC with a 5.5 mm × 2.5 mm barrel connector and built-in overload, over-voltage and short-circuit protection
- Adapter typeUSB C Charger
- Cable length5 in (12.7 cm)
- First connectorBarrel Connector
- Second connectorBarrel Connector
- Cable jacketMetal
- Connector typeMale
- Delivers 120 W continuous power for demanding 24 V equipment
- Built-in overload, over-voltage, thermal and short-circuit safeguards protect connected gear
- Wide 100-240 V AC input suits global mains supplies
- 5×2.5 mm barrel plug fits 5.5×2.1 mm sockets without adapters
- FCC, CE and RoHS compliant for regulated environments
Dell ALT-2405 24 V 5 A power adapter
This Dell ALT-2405 adapter supplies 24 V DC at up to 5 A for a maximum of 120 W. It accepts 100 V to 240 V AC input at 50/60 Hz, so it works on mains worldwide. The barrel plug measures 5.5 mm by 2.5 mm and is also compatible with 5.5 mm by 2.1 mm jacks. It suits devices such as LED strips, CCTV cameras, printers and LCD monitors that draw 5 A or less.
Build integration and headroom
The unit connects directly to a wall outlet using the supplied type A two-pin plug and delivers power through a fixed barrel cable. Built-in overload, over-voltage, thermal and short-circuit cut-offs protect the connected equipment from mains faults. Because the adapter is rated for 120 W, it provides headroom for devices that run below the 5 A maximum, reducing stress on the supply. No extra cables or gender changers are required for the listed barrel sizes.
Safety certifications and bundle
The adapter carries FCC, CE and RoHS compliance marks, confirming it meets basic electrical-safety and substance-restriction standards. The package contains only the single power-supply unit; no additional tips, mounting hardware or software are included. Buyers who need a different output voltage, a higher current rating or a locking connector must select another model.
How it compares
Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.
- Price $36.99
- Pricier than about 71% of the 3,875 comparable items (median $23.99).
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Specifications
| Product | |
|---|---|
| Brand name | Dell |
| Product line | ALT-2405 |
| Model name | ALT-2405 |
| Part number | ALT-2405 |
| Product type | 9 V |
| Adapter type | USB C Charger |
| Product color | Black |
| Ports & slots | |
| First connector | Barrel Connector |
| Second connector | Barrel Connector |
| Connector type | Male |
| Size & build | |
| Cable length | 5 in (12.7 cm) |
| Cable jacket | Metal |
| Product dimensions | 14.33 in W × 12.83 in H × 9.06 in D |
| Product weight | 200 g |
| In the box | |
| Units per package | 1 |
| In the box | 1 |
Questions about this item
What thermal limit triggers first when this 120 W adapter runs at full load continuously?
The automatic thermal cut-off activates if the internal temperature exceeds the safe threshold, protecting the unit from overheating during sustained 5 A output.
How much heat and noise should I expect from this 24 V 5 A brick after hours of operation?
It has no fan, so it runs silently; warmth is normal at 120 W, and the metal-jacketed cable helps dissipate heat from the 5.5 × 2.5 mm barrel connector.
Which AC mains lead do I need to supply this adapter with 100–240 V input?
The unit uses a standard IEC C7 two-pin connector, so any C7 mains cable rated for your local 100–240 V 50/60 Hz supply will work.
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