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Home  >  Microwaves >  Item # PNNNSN643S (MFR# NN-SN643S)
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Sensor Microwave Oven with Inverter Technology - NN-SN643S
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Panasonic Sensor Microwave Oven with Inverter Technology - NN-SN643S

Condition: Brand new, USA Warranty
Inverter technology delivers a seamless stream of cooking power - even at lower settings - for precision cooking that preserves the flavor and texture of your favorite foods.

Inverter Technology

Unlike other microwave ovens, Inverter technology delivers a seamless stream of cooking power - even at lower settings - for precision cooking that preserves the flavor and texture of your favorite foods. Other microwaves mimic lower heat settings by turning the power on and off repeatedly, which can result in overcooked edges and cool spots in the middle. With Inverter, you can poach, braise and even steam more delicate foods, all with the speed and convenience of a microwave!

Inverter Turbo Defrost

Panasonic has succeeded in evolving the Turbo Defrost, which allows you to defrost foods even faster than previous Panasonic Auto Defrost. Panasonic Inverter Defrost technology is an advanced microwave sequencing system using the inverter continuous-power delivery feature.
One-Touch Sensor Cook and Reheat

The Sensor adjusts power levels and calculates cooking and reheating times automatically for various food types.

Keep Warm Feature

A pulsing delivery of very low microwave power keeps food temperatures at a constant level -- without overcooking. So, foods like stew, gravy, and desserts remain warm in the oven until ready to serve.

Multi-Lingual Menu Action Screen with Function Key

The Menu Action Screen is like having a gourmet chef to assist you in the kitchen. It scrolls step-by-step cooking instructions across the display in a choice of English, Spanish, or French. Our Function Key simplifies the programming of 10 useful, non-cooking functions. Just press the Function Key and the Menu Action Screen will display easy-to-follow steps to complete the desired function.
Elegant Design with Push-Button Door Release and Stainless Steel Front

Elegant, attractive and easy-to-open, the microwave will look its best even when preparing some of the messiest recipes.


  • Enjoy faster cooking times with 1250 watts high power
  • Microwave Inverter technology delivers a seamless stream of cooking power
  • Advanced Inverter Turbo Defrost speeds up defrosting time
  • Automatic sensor adjusts power and times for different foods
  • Make food preparation simpler with 12 preset menu items
  • Choose countertop or built-in installation, trim kit sold separately


Size 1.2 Cu. Ft
Type Family Size
Installation Countertop / Built-in
Oven Capacity 1.2cft
Cooking Power 1200W
Turntabel Diameter 13-1/2"
Panasonic Technology
Panasonic Inverter Inverter
Prestige Genius Sensor Genius
Inverter Turbo Defrost Inverter
Color Stainless Steel
Control Panel 5 Tactile-button (Emboss look)
Display Panel Green 4 Digit
Door Front Stainless Steel
Door Window Black
Exterior Wrap Silver
Door Release Push Open
Oven Interior Paint White
Power Settings 10 ( P1-P10 )
Multi-stage Cooking 3 stage
Automatic Turntable Revolving & Removable
Cooking Time 99min 99sec
Kitchen Timer Yes ( 99min 99sec )
Standing Time Yes ( 99min 99sec )
Delay Start Yes ( 99min 99sec )
Child Lock Yes
Programmable Features
Popcorn Yes ( 1.75/3.0/3.5oz )
Keep Warm Yes ( up to 30min )
Quick Min Yes ( up to 10min )
More/Less Yes
Sensor Cook Sensor 12 Menu Items
Sensor Cook Menu Items 1. Oatmeal
2. Breakfast Sausage
3. Omelet
4. Soup
5. Frozen Entrees
6. Frozen Pizza (single)
7. Potatoes
8. Fresh Vegetables
9. Frozen Vegetables
10. Frozen Dinners
11. Pasta
12. Fish Fillets
Power Source 120V / 60Hz
Power Consumption 1480W
Cooking Power 1200W
Unit Dimensions HxWxD ( inches )12 1/4" x 20 11/16" x 15 13/16"
Cavity Dimensions HxWxD ( inches)9 15/16" x 13 15/16" x 14 3/8"
NetWeight 25.5 lb
Gross Weight 30.8 lb
Operating Instruction English / Spanish


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Panasonic Sensor Microwave Oven with Inverter Technology - NN-SN643S

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