A Guide on the Best Features of Quality Miniature Circuit Breakers

A miniature circuit breaker (MCB) is an important part of your home’s electrical circuit. Some types of miniature circuit breakers can be used to both protect home appliances against over load and short circuits and to monitor power distribution. This guide introduces you to the different types of MCBs and their features.

Benefits of Using MCBs

An MCB will automatically switch off the circuit if it detects any strange condition such as an overload or fault. It also has high level of sensitivity to over load. Even the most subtle changes can be detected to ensure that your home appliances are safe from damage. An electrical circuit breaker also makes it easier to detect the faulty zone once the knob is switched off. Once the problem is fixed, the circuit can be easily and instantly restored. Besides, it is also much safer to handle the MCB.

Features of Best MCB

MCBs are available with different capacities so that you can choose the right ones to protect your home appliances after considering the load capacity. The main features of high quality MCBs are as following:

• Available in a wide range of current ratings starting from 0.5A to 63A. Even higher capacity circuit breakers are available.
• Available with large cable terminals that can be used with both aluminium and copper cables.
• Uses precise hammer action, thus reducing the opening time. The hammer will strike the contact arm based on the peak current. This ensures that the moving contact is disconnected from the fixed contact before the latch system even comes into operation. This ensures high level of safety for your appliances.
• Features 13 plates arc chute that ensures efficient arc quenching
• Trip free mechanism further increases the efficiency and safety of the medium voltage switchgear
• A high quality MCB unit is designed to consume less power and increase energy savings
• The right type of MCB is also designed for cooler operation. It features exterior grooves to improve air circulation.

High Voltage Circuit Breakers

When you need higher voltage MCBs for commercial applications, you should choose a high voltage circuit breaker.  Such MCBs can have ratings in the range of 80A to 125A. Besides trip free mechanism, there are many other features that make a quality high-voltage MCB. This includes:

• Hammer trip operation with thermal/magnetic trip operation. The thermal trip function offers protection against moderate overloads. Magnetic function protects against short circuits and higher overloads.
• Features current limiting design that provides excellent production against short circuit.

So make sure to consider the above-mentioned features when choosing an MCB. Every home should have at least one MCB to protect the circuit and appliances. These circuit breakers are much more sensitive compared to the conventional fuse. They are easy to use and offer high levels of safety. And they have very high lifespan and don't need much maintenance. The replacement costs for wires and other parts are also negligible compared to using a fuse.

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Created on Oct 30th 2017 02:20. Viewed 382 times.

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