What amp fuse do I need for a microwave?

Asked By: Badia Fruhstorfer | Last Updated: 6th February, 2020
Category: home and garden home appliances
4.6/5 (2,174 Views . 38 Votes)
Plugs for appliances rated between about 700 watts and 3000 watts (the maximum rating of a wall socket) should be fitted with a 13-amp fuse (coloured brown). For example: 13A Fuse – Washing machine, dishwasher, microwave, kettle, toaster, iron.

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Herein, what kind of fuse does a microwave use?

This is a 20-amp fuse, and is used to power your microwave. If the touch pad on the microwave becomes unresponsive, the microwave produces little to no heat, or the appliance simply does not turn on, it could mean that your fuse is at fault and needs to be replaced.

Furthermore, can I use any 20 amp fuse for my microwave? If a 20 amp fuse in a microwave keeps blowing, can I put in a breaker with more amps in? No, you need to have the microwave repaired or replaced. Fuses blow because of a short circuit. Putting in a bigger fuse or breaker only dumps more current into that short circuit, causing a fire hazard.

Then, how many amps do you need for a microwave?

Looks like a typical "1000 watt" microwave will require about 1700 watts of wall power. Dividing by 120 (volts), that would be 14 amps. For such a microwave, you better put in at least a 20 amp circuit.

How do I know if my microwave fuse is blown?

It's easy to tell if a glass fuse is blown; it will show scorch marks, and the filament will be melted. To check a ceramic fuse, use an ohmmeter or continuity tester. With an ohmmeter or multimeter, you should see a reading close to zero ohms if the fuse is intact, or infinite if it's blown.

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What happens if you use the wrong fuse in a car?

If you use a fuse with the wrong amperage, the fuse won't blow as intended, damaging the circuit and resulting in a much larger repair bill. Rather than risk blowing the circuit, take the car to a repair shop to determine what is causing the fuse to repeatedly blow.

Are microwaves worth repairing?

Repair or Replace Microwave
A replacement appliance costs about $100 and should work for at least seven to 10 years. If your microwave is relatively new and the repair costs less than replacing it, the fix is worth it. In general, the problems worth fixing include: No light when the door opens or while cooking.

How much is a fuse for a microwave?

A lot depends on what type of microwave oven you have and what is wrong with it. Fixing a fuse, for instance can cost as little as $75 (including parts and labor) and is probably worth it.

How many fuses are in a microwave?

Your microwave may have two types of fuse. The line fuses are usually familiar ceramic tubes, about 1¼ inches (3 cm) long. The thermal cutoff fuses are typically squat black cylinders with two prongs on the same side. Their exact location depends on your model, but check behind the control panel.

How do you troubleshoot a microwave?


How to Repair a Microwave Oven
  1. Step 1: Unplug Power and Remove Moving Parts.
  2. Step 2: Open the Back Cover.
  3. Step 3: Check the Fuse First.
  4. Step 4: Inspect Door Switches.
  5. Step 5: See Inside of the Switch.
  6. Step 6: Buy a Replacement Part.
  7. Step 7: Install the New Switch.
  8. Step 8: About Discharge Capacitor.

Can I replace a fuse with a higher amp?

Never replace a blown fuse with a higher-amp fuse. Always replace the fuse with one with the specified amp rating. You may install the next-smaller-rated fuse to get you by in a pinch until you can purchase a replacement.

Can a refrigerator and microwave be on the same circuit?

Can a Refrigerator and Microwave Be on the Same Circuit? Microwaves and refrigerators are heavy-duty appliances that use large amounts of energy and therefore need to be powered by a dedicated circuit. A dedicated circuit is designed for use by only one appliance.

Can a microwave be on a 15 amp circuit?

Microwave Electrical Requirements and Breaker Size. Require a 120 volt individual, properly grounded branch circuit with a 3 prong grounding type receptacle, protected by a 15 or 20 amp circuit breaker or time-delay fuse. Over-the-range models should be on a dedicated circuit.

Does a microwave need a 20 amp circuit?

The microwave oven needs a dedicated 20-amp, the 120/125-volt circuit to feed it. This will require 12/2 NM wire with a ground. Although it's not uncommon to see microwave ovens plugged into standard appliance outlets, larger microwave ovens can draw as much as 1500 watts, and these need their own dedicated circuits.

Can I plug my microwave into a regular outlet?


Most microwaves require a dedicated 20-amp, 120-125 volt circuit for safe operation. Although it's not completely unrealistic to see a microwave plugged into a standard wall outlet, some models require more power. Large microwaves can draw 1500 watts of power or more, thus requiring their own dedicated circuit.

How much electricity does a 1000 watt microwave use?

Imagine your microwave is rated for 1,000 watts, which is typical for a full-size countertop model, and your electricity rate is the national average of 12 cents per kilowatt hour (kWh). At full power, that microwave will consume about . 02 kWh per minute, which will cost you about one fifth of one penny.

How many watts does a 900 watt microwave use?

The average microwave oven wattage is around 1,000 watts. The solo microwave oven have 700-watt to 900-watt and grill microwave oven have more than 1000 watts.

How many amps does a 1500 watt microwave use?

2002. "The information on the label tells us that the microwave oven needs 120 volts of electricity in the form of alternating current to operate, and draws 5 amps of current during its use."

How many amps does a 700w microwave use?


Short summary: Home microwave ovens are typically 40–60% efficient. So if your 700W microwave oven is really generating 700W, it should draw between 1200 and 1800W or 10 - 15A at 120V. Our Panasonic microwave is marked for 1250W of microwave output. It's label on the back says the current draw is 12.7A 120V.

Can I use a glass fuse in a microwave?

Along with glass fuses, ceramic fuses are among the most commonly used fuses in household electrical appliances. This includes microwave ovens. A microwave oven is prone to short-circuiting caused by severe voltage fluctuations.

Can you replace a 15 amp fuse with a 20 amp fuse?

The answer: It's possible, but not advisable without an electrician evaluating the situation. You should never just upgrade from a 15-amp breaker to a 20-amp one just because the current one is tripping. Otherwise, you may burn your house down via electrical fire.