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8 Reasons to Use a Fuse
Tuesday, February 27, 2018

Fuses are devices that protect electrical components from damage in case of high voltage. A low-resistance wire or metal is used in a fuse that closes a circuit. When a high current passes through the wire of low resistance, the wire melts breaking the circuit and stopping the flow of current. This ensures that the excessive current doesn’t continue down the circuit and damage the equipment.

There are other devices that can protect the equipment from high current like relays or circuit breakers, but there are some reasons why fuses are preferred over them. Let’s see what those reasons are:

1. Fuses are Safe

Other devices that are used to protect the equipment from high current are mostly reset without investigating what caused the fault in the first place. This never happens when a fuse is used and the cause of the fault is investigated before replacing the fuse with a new one.

2. Fuses are Cheap

Fuses are less expensive than other protective equipment, which makes the most effective option for providing protection against high current. When high current fault exists, fuses protect expensive equipment like DC supplies or control transformers.

3. High Rating

Most low voltage limiting fuses can handle current of 200,000 ampere, which means that you’re paying low for a high interrupting rating.

4. Protection of Components

As the fuse breaks the circuit as soon as high current passes through it, the internal components of the equipment remain protected from damage.

5. Fuses are Reliable

Since there are no moving parts in a fuse, they don’t wear out under rough conditions. They can be used in different electronic products such as a fridge, television, power generators, microwave, etc.

6. Selectivity

Generally, there are two types of fuses: AC fuses and DC fuses. AC fuses are further divided in to low voltage fuses and high voltage fuses. High voltage fuses are used in applications where the voltage is above 1000V while low voltage fuses are for voltages below 1000V. DC fuses are comparatively larger than AC fuses. From the different types of fuses, the one that’s ideal for a specific application can be selected.

7. Raising Warnings

Fuses normally blow up after sometime when they become dead and have to be replaced. However, if they blow up constantly and you’re replacing them more often, it indicates that there’s a problem in your home’s wiring. In this case, you must call an electrician to look at the problem.

This way fuses can show if there’s any danger of wires heating up and catching electrical fires because of high current passing through them.

8. No Maintenance

Fuses don’t have to be periodically calibrated like some electromechanically protective devices and they’ll continue to work until the wire melts.

If you’re looking to buy a fuse to protect your expensive equipment from high current, we suggest you check out our range of quality fuses.


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