Our take
KitchenAid KCMS1555SSS is a stainless 1.5-cu.-ft. countertop microwave with a documented 1,200-W cooking rating, sensor cook/reheat functions and approved optional trim-kit routes. The exact current Amazon page identifies the full SSS code; KitchenAid's guide supplies the electrical and installation requirements. It remains a countertop appliance unless installed with the exact approved kit and opening. Turntable diameter and foodservice duty are not confirmed, so compare it as a household-size sensor option rather than a commercial unit.
A household 1.5-cu.-ft. sensor microwave for a counter or an approved separate built-in kit path, after checking the exact opening and circuit..
Do not select it if you need a manufacturer foodservice classification, a known turntable diameter, or a cabinet installation without confirming the exact approved kit and cutout.
Pros & cons
What could work for you, and what to consider before buying.
What works in its favor
- The exact code is identified with a 1.5-cu.-ft. cavity and 1,200-W cooking output.
- The KitchenAid manual explains sensor cook, sensor popcorn and sensor reheat.
- The manual states 120 V / 60 Hz supply and lists approved separate trim kits.
What to weigh up
- The manual calls for a 15- or 20-A supply and recommends a dedicated circuit.
- The exact turntable diameter is not stated in the sources reviewed.
- The manufacturer evidence does not classify the unit for commercial foodservice.
Specifications and exact model details
The key details
| Model covered | KCMS1555SSS |
|---|---|
| Capacity | 1.5 cu. ft. capacity for the exact KCMS1555SSS listing |
| Microwave output | 1,200 W cooking output in the exact-code retailer record |
| Cooking approach | Sensor cook, sensor popcorn and sensor reheat documented in the KitchenAid guide |
| Installation options | Countertop configuration with approved optional 24-, 27- or 30-in. trim-kit routes |
| Finish and turntable | Stainless steel appearance and turntable; exact platter diameter is not stated |
Performance figures are manufacturer claims. Source checked October 13, 2026. Regional models and included accessories can differ.
Full review: how the features affect your choice
What the features mean for you
Preserve the KCMS1555SSS identity against the feed mismatch
The source row's structured field says KCMS1655BSS, but the title, current Amazon product page and KitchenAid manual identify KCMS1555SSS or the KCMS1555 family. Keep the SSS code as the product identity and treat the other code as a feed mismatch, not an alias. A separate KCMS1655BSS guide names a different model, so its specifications should not be copied here. The stainless finish and exact Amazon item title are tied to B0015M2M8K as currently inspected. Verify the complete suffix on the offer because similar KitchenAid model numbers describe separate configurations.
Use capacity and output together, then measure the dish
The exact-code records list a 1.5-cu.-ft. cavity and 1,200 W of cooking output. Capacity helps distinguish this medium-large household size from compact 0.7-cu.-ft. models, while output is a separate comparison figure. Neither value tells you the diameter of a plate that will rotate without contact. The manual confirms a glass turntable but gives no verified numeric diameter in the saved record. Check the actual cavity opening and platter against the dishes you use. The 1,200-W output is not a promise about cooking speed or a measured result for any particular food.
Sensor cooking is documented for this model family
KitchenAid's guide explains a humidity sensor that detects moisture released by food and adjusts the cook time. It identifies sensor cooking, sensor popcorn and sensor reheat among the control functions associated with the KCMS1555 model. The guide notes that manuals can cover more than one model, so exact-code identity still matters; the current SSS listing and the cited guide establish the relationship used here. Sensor cooking changes the amount of timed control a shopper may need, but it does not guarantee a particular result for every serving size. Follow the food-specific directions in the exact operating manual.
Countertop use remains the base configuration
The owner guide tells the user to place the microwave on a counter, table or shelf strong enough to support the unit and contents. It also says some models can be built into a wall or cabinet with an approved trim kit and lists 24-, 27- and 30-inch kit sizes. The kit is a separate component, and the guide cautions that only approved electric single-microwave combinations are intended. Check the exact kit model, cabinet opening, clearances and the appliance code before planning a built-in look. A trim-kit note does not make the oven a built-in-only model.
Match the supply to the manual, not just the plug
KitchenAid specifies 120 V, 60 Hz AC-only service and calls for a 15- or 20-A supply with a fuse or circuit breaker; a separate circuit is recommended. The manual also says to use a grounded three-prong outlet and not to use an adapter or extension cord. These requirements matter for both countertop use and a trim-kit installation. Confirm the rating plate, site circuit and instructions for the selected kit instead of treating the standard voltage as a complete electrical check. The profile can match documented 120-V/60-Hz compatibility, but it does not certify an existing outlet or installation.
Sensor convenience does not establish commercial duty
The sources support a household countertop model with sensor controls and optional cabinet kits, but they do not classify KCMS1555SSS for foodservice use. A stainless finish, built-in option or brand reputation is not a substitute for a manufacturer commercial-duty statement. Keep that attribute unknown rather than placing the model in a hard commercial shortlist. The exact turntable diameter is also still open, so cookware fit requires direct checking. If the selection is for a shared commercial site, compare it against a manufacturer-classified commercial model such as Amana Commercial RCS10TS and verify the circuit and workload independently.
Compare for your needs
For a larger household cavity, compare Panasonic NN-T964SF, which has 2.2 cu. ft., sensor functions and an optional kit. For manufacturer-classified shared use, compare Amana Commercial RCS10TS.
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Before you buy
Does KCMS1555SSS have sensor cooking?
Yes. The KitchenAid guide describes sensor cook, sensor popcorn and sensor reheat functions for the KCMS1555 model family.
What is its microwave output?
The exact-code Lowe's record lists 1,200 W of cooking power, separate from its 120-V electrical supply.
What outlet does the manual specify?
KitchenAid lists 120 V / 60 Hz and a 15- or 20-A circuit, with a separate circuit recommended.
Can it be built into a cabinet?
The manual lists approved optional 24-, 27- and 30-in. trim kits. Verify the exact kit, cutout and appliance code.
How wide is its turntable?
The saved sources confirm a glass turntable but do not provide a numeric diameter for the exact SSS model.
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 and review basis
Sources & review basis
We use the linked product documentation for the features above. Our suitability notes and buying advice are editorial judgments based on those features, not measured performance results.
- KitchenAid KCMS1555SSS use-and-care guide ↗ — checked October 13, 2026.
- Current Amazon product page inspected 2026-10-13. Canonical title and item details identify KCMS1555SSS and B0015M2M8K; the page title lists 1.5 cu. ft., countertop/built-in use and stainless finish. ↗Paid link · We may earn a commission. — checked October 13, 2026.
- KitchenAid owner's manual. Cover lines 1-12 identifies KCMS1555SSS/KCMS1555; pages 5 and 15 document countertop placement, 120-V/60-Hz 15- or 20-A supply and approved trim kits; pages 11-12 explain sensor cook, sensor popcorn and sensor reheat. Rechecked 2026-10-13. ↗ — checked October 13, 2026.
- Lowe's exact-code catalog page identifies KCMS1555SSS and lists 1.5 cu. ft., stainless finish and 1,200 W cooking power. Saved exact-code check retained from 2026-10-12. ↗ — checked October 12, 2026.
- Amazon US model listing checked October 13, 2026; current condition, price, and availability are confirmed by the seller.
The decision
KCMS1555SSS combines a 1.5-cu.-ft. cavity, 1,200-W output, documented sensor controls and an approved trim-kit route. Follow KitchenAid's exact supply and installation guidance; turntable size and commercial classification remain unknown.
Is it the right fit?
Check the exact model and today’s offers on Amazon.