Panasonic NN-CT56MBQPQ: Features, Size & Buying Guide

The Panasonic NN-CT56MBQPQ is a 1000W combination microwave with a 27-liter cavity that grills, bakes, and cooks with steam. Before buying, check your countertop depth (it is 51cm deep) and confirm you want a microwave that also crisps and browns, not just reheats.

Formula

Energy used (kWh) = Power (kW) × Time (hours). Cost = Energy (kWh) × Electricity rate (per kWh).

Where Power is in watts (W), Time is in minutes (min), and the rate is in your local currency per kilowatt-hour.

Worked Example

Default: 5 minutes at 1000W. Convert time to hours: 5 ÷ 60 = 0.0833 h. Energy = 1 kW × 0.0833 h = 0.0833 kWh. At 0.30 per kWh, cost = 0.0833 × 0.30 = 0.025, rounded to 0.03.

Key Features of the NN-CT56MBQPQ

This Panasonic model is a “combi� microwave, meaning it combines three cooking methods in one appliance:

• Microwave: 1000W output with inverter technology for even defrosting and gentle simmering.
• Grill: 1000W quartz grill for browning and crisping.
• Convection: 1450W hot air circulation for baking and roasting.
• Steam: A water tank injects steam to keep food moist.

It also has 27 auto-cook programs, a child lock, and a stainless steel interior that is easier to clean than paint.

Size and Installation Requirements

The NN-CT56MBQPQ measures roughly 51 cm wide, 40 cm high, and 51 cm deep (external). The cavity is 27 liters, which fits a 30 cm casserole dish. You need at least 5 cm of clearance on all sides for ventilation, and the appliance weighs about 19 kg. Check your cabinet depth—many standard kitchen cabinets are 60 cm deep, so it fits, but it will sit flush or slightly protruding.

It comes with a 1.2 m power cord and requires a standard 230V outlet. Do not plug it into an extension cord; use a dedicated socket.

How the Inverter Technology Differs

Unlike traditional microwaves that turn the magnetron on and off at full power, Panasonic’s inverter delivers a continuous, variable power level. This means:

• Defrosting is more even—no cooked edges.
• Simmering sauces doesn’t splatter.
• Food heats more evenly at lower power settings.

For example, defrosting a 500 g block of minced meat takes about 8 minutes with the auto program, and you can stop it halfway to break up the meat.

What to Know Before Buying

Before you purchase, consider these factors:

1. Counter space: Measure the exact spot. This is not a compact microwave; it needs a solid, flat surface.
2. Power needs: At 1000W, it cooks faster than a 700W model, so you must adjust cooking times from older recipes.
3. Combination cooking: You can use microwave + grill, or microwave + convection, but not all three at once.
4. Cleaning: The steam generator can leave limescale; use the descaling program monthly if you have hard water.
5. Accessories: It includes a glass turntable, a low rack, and a high rack. The racks are not dishwasher safe.

Common Problems and Solutions

Users report two recurring issues:

• Food dries out in convection mode: Use the steam function or cover food with foil (not touching the sides).
• Turntable stops rotating: The drive coupling may be misaligned. Remove the glass plate and reseat it.

If the microwave sparks, stop immediately and check for metal objects or foil touching the walls.

Comparison with Other Panasonic Models

Within Panasonic’s lineup, the NN-CT56MBQPQ sits above the basic NN-SF564 (no convection, no steam) and below the NN-CS89 (larger 32L capacity, more auto menus). If you bake frequently, the convection feature is worth the extra cost; if you only reheat, a simpler 20L model will save space and money.

Cost and Energy Use

The purchase price varies by region but typically falls in the mid-range for combi microwaves. Running cost: at 1000W, using it for 10 minutes consumes about 0.167 kWh. At an average electricity price of 0.30 per kWh, that costs about 0.05. Over a year of daily use, that adds up to roughly 18–20 in electricity.

Safety and Maintenance

Always use microwave-safe containers. Do not use metal pans in microwave-only mode. In convection mode, you can use metal pans, but keep them 2 cm away from the oven walls. Clean the interior after each use with a damp cloth. Descale the steam tank every 4–6 weeks using a citric acid solution (follow the manual). Never operate the oven when empty.

Frequently Asked Questions

Can I use metal pans in the Panasonic NN-CT56MBQPQ?

Yes, but only in convection or grill mode. In microwave mode, metal will cause arcing and damage the magnetron. Always check the manual for specific guidance.

How do I clean the steam generator?

Fill the water tank with a mixture of water and citric acid (or white vinegar), run the descaling program (usually found in the settings menu), then rinse with clean water. Do this every 4–6 weeks.

Is the turntable removable?

Yes, the glass turntable and the rotating ring can be lifted out for cleaning. Wash them in warm soapy water or in the dishwasher (check the manual for dishwasher safety).

What is the difference between grill and convection?

Grill uses a quartz element to brown and crisp the top of food (like a toaster oven). Convection uses a fan to circulate hot air, cooking food evenly from all sides, which is better for baking cakes or roasting meat.

Does it have a child lock?

Yes, press and hold the “Stop� button for 3 seconds to lock the control panel. The display shows a key symbol. Repeat to unlock.

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in t | Cook time | min | 5 | 0
in p | Power | W | 1000 | 0
out energy | Energy used | kWh | (p / 1000) * (t / 60) | 2
out cost | Cost at 0.30/kWh | currency | ((p / 1000) * (t / 60)) * 0.30 | 2