Our take
Sharp R-520LW is a white, 2.0-cu.-ft. home-use microwave with 1,200-W output, a 16-in. turntable and Sensor Cook. Sharp documents two white trim-kit sizes and a 120-V/60-Hz, 14.3-A input; the historical Amazon offer remains unverified.
Consider the white R-520LW when you need a large 2.0-cu.-ft. cavity, a 16-inch rotating surface, sensor cooking and an installation path documented for either a 27- or 30-inch trim opening. Confirm the exact white unit and kit part number, follow the manual's 120-V/60-Hz, 14.3-A electrical requirements, and measure the cabinet opening and required clearances before installation..
If you need foodservice equipment, choose a model whose maker explicitly assigns commercial duty. For a smaller counter or narrower cabinet, compare a smaller model and a trim kit documented for that exact variant. Verify whether the 27- or 30-inch Sharp kit matches your opening before ordering.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- Sharp's manuals support a white 2.0-cu.-ft. model with 1,200-W output, Sensor Cook and a 16-inch turntable.
- The service specification documents 120-V/60-Hz supply and separates 1,700-W/14.3-A input from microwave output.
- The operation manual names the exact white RK-51W and RK-51W30 trim routes for 27- and 30-inch openings.
What to weigh up
- The 1,700-W/14.3-A input calls for circuit planning; do not compare it as microwave output.
- Sharp classifies the model for home use and excludes industrial or laboratory use.
- Trim kits are separate accessories, and historical ASIN B000FGK798 did not verify a current exact offer.
The key details
| Model covered | R-520LW |
|---|---|
| Capacity | White R-520LW variant; 2.0 cu. ft. capacity; manual maps W to white |
| Microwave output | 1,200-W cooking output, 1,700-W/14.3-A input and 120 V/60 Hz |
| Cooking approach | 16-in. Carousel turntable and Sensor Cook documented in the operation manual |
| Installation options | White-model trim kits: RK-51W for 27-in. opening or RK-51W30 for 30-in. opening |
| Finish and turntable | Manual identifies home use and excludes industrial/laboratory use; historical exact ASIN unverified |
Performance figures are manufacturer claims. Source checked October 5, 2026. Regional models and included accessories can differ.
What the features mean for you
Match the full-size cavity to a real opening
The manual gives a 2.0-cu.-ft. capacity and describes a full-size oven. Before choosing it, measure the counter area or cabinet opening and include the installation clearances required by the operation manual. The two trim choices are not interchangeable by name alone: RK-51W corresponds to a 27-inch opening and RK-51W30 to a 30-inch opening for the exact white R-520LW. Confirm the kit and opening dimensions before any built-in work.
Use the 16-inch tray as the dish-fit limit
Sharp's manual lists a 16-inch turntable, giving a direct check for round dishes and cookware that must rotate. The cavity's 2.0-cu.-ft. figure alone cannot tell you whether a particular platter clears the walls as it turns. Measure dishes by their widest point, leave rotation room and verify any manual exception for oversized items in the instructions supplied with the actual unit.
Separate cooking output from electrical draw
The service specifications give 1,200 W of microwave output, while the electrical requirements list 1,700 W and 14.3 A at 120 V/60 Hz. Use 1,200 W for an output comparison; the input current matters for the supply and installation. Do not equate one number with the other, and have the exact circuit checked against the manual before operating the oven in a trim installation.
Consider the documented Sensor Cook functions
The R-520L operation manual includes Sensor Cook controls and cooking guidance for the family, supporting sensor cooking as a real feature of the documented R-520LW. This can help buyers who prefer listed automatic programs to entering all times manually. Sensor menus still depend on using suitable food, containers and quantities, so consult the manual's recipe guidance rather than assuming sensor operation for every dish.
Keep the white suffix attached to the right kit
Sharp's family manual explains that the final letter indicates the exterior color and maps W to white. It names RK-51W and RK-51W30 as white trim choices for R-520LW. A separate R-520L operation manual reference to another color or trim code should not be transferred to this model. Read the appliance label and match the kit suffix and opening size before purchasing installation hardware.
Respect the stated home-use boundary
The manual identifies this Carousel oven for home use and says it is not designed for industrial or laboratory use. That does not establish a foodservice-duty rating; it sets the opposite boundary for this roster. A large capacity or trim installation does not change its duty class. The old ASIN is also unverified, so use a tagged exact-model search and confirm current item identity and condition.
What else to compare
Before you buy
What output and capacity does the R-520LW have?
The manual lists 1,200-W output and a 2.0-cu.-ft. oven capacity.
Which trim kits fit the white R-520LW?
Sharp lists RK-51W for a 27-inch opening and RK-51W30 for a 30-inch opening.
How wide is its turntable?
The R-520L family specifications state a 16-inch turntable diameter.
Does it support sensor cooking?
Yes. The operation manual includes Sensor Cook guidance for the R-520L family.
What electrical rating is documented?
The service specifications list 120 V/60 Hz and 1,700 W/14.3 A input, separate from 1,200-W output.
Is it a commercial-duty microwave?
No. The manual states home use and says it is not designed for industrial or laboratory use.
Where can I check the current price?
Use the Amazon link for current offers. Check the exact model, seller, product condition, delivery, and return terms. This page does not display a live price or confirm stock.
Sources & review basis
We use the following manufacturer documentation for the product features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.
- Sharp R-520L operation manual; suffix W identifies the white R-520LW ↗ — checked October 5, 2026.
- Sharp operation manual copy identifies R-520K/R-520L family suffix colors, maps W to white, documents R-520LW trim kits RK-51W and RK-51W30, sensor cooking and home-use limitation. ↗ — checked October 5, 2026.
- Sharp service manual copy for R-520LK/R-520LW gives 120-V/60-Hz requirements, 1,700-W/14.3-A input, 1,200-W output, 2.0-cu.-ft. cavity and 16-in. turntable. ↗ — checked October 5, 2026.
- Archived exact-model retail page identifies R520LW as white countertop microwave and corroborates the model code; not evidence of a current offer. ↗ — checked October 5, 2026.
- Historical exact-ASIN request returned an internal error; current offer identity is unverified. ↗Paid link · We may earn a commission. — checked October 5, 2026.
The decision
Sharp R-520LW is a white, 2.0-cu.-ft. home-use microwave with 1,200-W output, a 16-in. turntable and Sensor Cook. Sharp documents two white trim-kit sizes and a 120-V/60-Hz, 14.3-A input; the historical Amazon offer remains unverified.
Is it the right fit?
Check the exact model and today’s offers on Amazon.