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A compact black AC adapter with a barrel tip and integrated wall plug

ABLEGRID

ABLEGRID AC Adapter for Cisco SPA303 3 Line IP Phone Power Charger

SKU CH-NM6P-Z56KS

Replacement AC adapter for the Cisco SPA303 IP phone, accepting 100 to 240 V AC input at 50 or 60 Hz and providing DC output with a barrel tip, plus over-voltage and over-heat protection

  • Battery TypeUPS
  • Worldwide AC input from 100 to 240 volts
  • Over voltage and over heat protection included
  • CE FCC RoHS certified for safety compliance
  • 100 percent compatibility with Cisco SPA303 phone
  • Non OEM adapter delivers reliable DC power

Direct Replacement Adapter

The ABLEGRID AC adapter is a non-OEM power charger built for the Cisco SPA303 3 Line IP Phone and the SPA303-G2 Business IP Phone. It supplies the DC output and barrel tip size required by those models. The unit is brand new and carries CE, FCC and RoHS certifications. Over-voltage and over-heat protection are integrated for safe operation.

Build Integration Notes

The adapter accepts AC 100-240V at 50-60Hz, so it works on worldwide mains without a separate voltage selector. A single barrel-tip connector plugs directly into the phone, freeing the device from proprietary power bricks or PoE infrastructure. No additional cabling or configuration is needed beyond matching the tip polarity and dimensions.

Capacity and Limits

The charger delivers the rated DC power the SPA303 series expects for normal desk use and call handling. It is not a UPS battery and provides no runtime during a mains outage. Users needing continuous operation through power loss must add a separate uninterruptible supply. The adapter is sized for one phone only and cannot power additional handsets or network gear.

Highlights

  • Worldwide AC input from 100 to 240 volts
  • Over voltage and over heat protection included
  • CE FCC RoHS certified for safety compliance
  • 100 percent compatibility with Cisco SPA303 phone
  • Non OEM adapter delivers reliable DC power

Specifications

BrandABLEGRID
Battery TypeUPS

Questions about this item

What is the maximum AC input voltage this adapter can handle?

The adapter accepts AC input up to 240 V, covering worldwide mains supplies from 100 V to 240 V at 50 Hz or 60 Hz.

How does the adapter manage heat during continuous operation?

Built-in over-heat protection monitors temperature and shuts down the unit if it exceeds safe limits, preventing damage during all-day use.

Which Cisco IP phone model is this adapter designed for?

It is made for the Cisco SPA303 3 Line IP Phone, including the SPA303-G2 variant, and uses a barrel tip connector that must match the phone's DC input.

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