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Auto Bakery (21 Menus)

For delicious and quick-to-bake breads using the Convection Oven.

Healthy Cooking

Reduce fat and salt content with these healthy cooking options.

Superheated Steam Mode (3 Menus)

Select a healthier cooking option with the Superheated Steam Mode, using over 100°C of steam inside the oven to reduce fat and salt content in food.

Oil-Free Deep-Frying Mode (18 Menus)

Enjoy healthy, oil-free fried food with a simple cooking steps. Combining the Microwave, Oven, Grill and Superheated Steam, it cooks food that is crispy on the outside and juicy on the inside.

Fried Chicken (500g)

Calorie Count 1,321kcal, Calorie Count for Fried Foods 1,643kcal

Deep Fried Shrimp (16pcs)

Calorie Count 592kcal, Calorie Count for Fried Foods 1,056kcal

Healthy Fried Shrimp (16pcs)

Calorie Count 544kcal, Calorie Count for Fried Foods 944kcal

  • Data based on the MRO-NBK5000 model, using Oil-Free Deep-Frying Mode (serves 4)

*Reference: Basic data on cooking (Publishing Division, Kagawa Nutrition University)


Healthy Cooking with Heat Control is Now Made Simple

Hitachi’s unique Steam-grill function found on the Auto Menu uses a grill tray and steam lid to cook food. Using a combination of Superheated Steam, Oven, Steam and Microwave, this method of cooking allows you to cook dishes that require complex heat control, healthy oil-free stir-fried dishes as well as Vitamin C retention in your food.

Using the Steam-Grill

Select Steam-grill on Auto Menu to enjoy delicious dishes.

Stir-Fry Food, 7 Menus, Healthy as no oil is used, Steam Vegetables, 2 Menus, Healthy by preserving Vitamin C through low oxygen cooking

Steam-Grill, 16 Menus, Professional flame control that produces complex dishes that are delicious, Other Steamed Foods, 4 Menus, Full steaming with large volume of steam


Easy to Clean and Maintain

As cooking is done using the steam lid and grill plate, dirt cannot easily get into the machine, which makes the clean-up hassle free. After cooking, the grill plate and steam lid can be washed and cleaned as a whole.

Touch Screen LCD Panel

Frequently used functions can be selected conveniently from the first display screen. The functions are conveniently accessed via the touch panel.

Triple Weight Sensor

Table Plate Inside, Weight Sensor

About the Triple Weight Sensor

Uses a three-point measuring system to weigh the food and automatically detects the optimum temperature and cooking time. The Sensor also detects the food’s position, allowing precise focusing of microwaves for more efficient reheating.

Continuous Cooking / Reheating

Even when temperature is high after use, auto cooking and reheating can still be performed thanks to the Triple Weight Sensor.

High Performance

Superheated Steam

Large Volume of Steam Above 100°C

A healthier cooking method with reduced fat and salt content.


Maximum Output on Auto is 1,000W (Maximum 3 Minutes)

Triple Weight Sensor determines weight and position of foods, thus enhancing effectiveness of reheating.


Steam at Approx. 100°C

Recommended for steaming eggs (Chawan mushi) and pork. Rice can be reheated without losing moisture.

2-Layer Oven

Maximum 300°C Convection Oven

The powerful 2-layer oven has a large capacity of 33L. You can enjoy authentic dishes such as large roast chicken, hand-made pizza as well as sweets.*Approx. 5 minutes of operation at 300°C. This is followed by a switch to 250°C.


Far Infrared Ray Grill

Intense Heat of Up to 1,300W

Use far infrared rays to grill.

Dual Surface Grilling

Hamburger patties and salted mackerel/pike fish can be grilled on both sides without being flipped over because the grill plate generates heat via microwaves.

Convenient Setup and Storage


Soft Closing Door


10cm, Left 0cm, Width 50cm, Right 0cm

Convenient Installation

Installs flushed against wall (back)
(Sides 0cm, Back 0cm, Top 10cm)



Oven Capacity* 33L
Sensor Triple Weight Sensor & Temp Sensor
Microwave Microwave Power [W] : 1000*2/700/600/500/200/100
Oven Heater : Double Radiant Heater 2 Layer-Cooking
Heat Wrapping Oven
Temperature [℃] : 300*3/100-250 Leaven (30/35/40/50)
Grill Far Infrared Heater
Stem Water Tank
Superheated Steam : Boiler & Convection
Recipes in Recipe Book Total Recipes : 232
Auto Modes : 200
Features LCD Display (with Touch Panel)
Cleaning Mode
Deodorizing Mode
Auto Power Off
No-Oil Deep-Fry Menu
Soft Closing Door
Accessories Ceramic Tray
Metal Trays : 2 Trays : 41 × 30 cm
Grill : Super Grill Tray Unit, Grill Lid
Accessories for Bakery

( ): Including handle
Oven Cavity : W×D×H : 400×322×240 mm

Back, Left & Right Side Free
Rated Voltage [V] & Frequency [Hz] 230 & 50
Net Weight [kg] 24
Body Color Red

*1In accordance with "Japanese Industrial Standard (JIS)"
*2Maximum three minutes with the short duration, high output function. Only works withh limited functions such as Auto Reheat.
*3Operating time is five minutes at maximum heat.
300℃ only works with Preheat (MRO-NBK5000E, AV200E)
Automatically reduces from 300℃ to 250℃ (MRO-NBK5000E, AV200E)
Automatically reduces from 250℃ to 230℃ (MRO-AV100E)
*4Functions include reheat preparation, etc. 

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