POLYCOM SPA015A648US 14.4W 48V 0.3A power adapter
A 14.4W switching power supply delivering 48V at 0.3A from a 100-240V input
- Works worldwide with 100-240V input range
- Delivers stable 48V 0.3A output for device safety
- 4W capacity meets original equipment requirements
- Built-in protection against short circuit and overheating
- Genuine Polycom part ensures exact compatibility
Purpose and compatibility
The POLYCOM SPA015A648US is a 14.4W AC adapter built to power compatible Polycom devices. It accepts a universal 100-240V input at 0.5A and delivers a regulated 48V output at 0.3A. This unit suits owners of matching Polycom hardware who need a genuine replacement supply.
Thermals, noise and power draw
As a sealed switching power supply, the adapter operates without a fan and produces no audible noise in normal use. It draws up to 0.5A from the mains at 50-60Hz while providing a steady 48V 0.3A output. The compact enclosure dissipates heat passively during continuous operation.
Protection features and packaging
Integrated safeguards protect against incorrect voltage, short circuit and internal overheating to maintain safe delivery under varying conditions. The adapter is supplied in bulk without factory packaging and may show minor cosmetic marks such as dust or light scratches. No additional cables or software are included.
How it compares
Measured against everything we stock in AC Adapters & Power Bricks, at today’s prices. Recalculated every night.
- Price $25.99
- Typical for this category: the median of 3,875 items is $23.99.
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Specifications
| Product | |
|---|---|
| Model name | SPA015A648US |
Questions about this item
How do I connect the Polycom SPA015A648US adapter to the mains and the device?
Plug the IEC C7 or C8 mains lead into the adapter's input socket, then connect the barrel plug to the device's 48 V DC jack. The step often missed is verifying the device polarity matches the adapter's centre-positive marking before powering on.
What part of the SPA015A648US is most likely to need replacement after extended use?
The detachable mains lead and the barrel-connector cable see the most physical stress; the internal electrolytic capacitors will eventually degrade after many thermal cycles, so plan to replace the lead or the whole adapter if output voltage drifts.
At what load does the 14.4 W adapter hit its thermal limit during continuous operation?
The adapter is rated for 48 V at 0.3 A (14.4 W); sustained operation at the full 0.3 A output will cause the internal overheating protection to engage first, so keep the load below the rated current for long-term reliability.
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