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How to avoid MCBs tripping?


If it encounters any abnormal condition in the electrical network, such as overload or other faulty conditions, it automatically cuts off the electrical circuit. This is why commercial or industrial MCB box, also known as time delay-tripping devices can trip and shut off the power supply in 2.5 milliseconds in the event of short circuits. The system trips and shuts down anytime an overcurrent flows for a longer period of time and there is a risk to the entire circuit.

How can I stop MCBs from tripping?

There can be multiple reasons why the commercial or industrial MCB box might be tripping, such as an overloaded circuit, short circuit or ground fault. However, there are some ways you can stop the MCB switch from tripping, some of which include:

  • Be careful to replace any and all appliance and electrical device wires that are damaged or broken in the MCB distribution box.
  • Make sure there aren't too many devices running at once.
  • Placing your protective devices or GFI (Ground fault interrupters) breakers as close to the equipment they protect as you can help reduce tripping caused by high ground fault leakage currents.
  • Longer cables and cords run the risk of creating ground fault leakage currents through capacitive and inductive coupling, so you can cut back on the extension cords.

Utilization of electronic trip units in safety equipment. MCB changeover switch and breakers with electronic trip units or solid-state technology offer a variety of variable parameters that can be used to customise the breaker trip times and fault current levels. They give users the option to configure pick-up settings and brief delays, which enhances breaker coordination. Compared to conventional electromechanical breakers with the same frame size, this technology ensures an incredibly quick interruption and fault clearance. 

Avoiding Undervoltage Situations. Undervoltage situations can be avoided by equally distributing and balancing the total loads across several feeder breakers inside a substation. In order to minimise pre-fault imbalance current, each feeder load must be as evenly balanced as possible.

When there is a shortage in your electrical system or one of the applications you are utilising, the circuit breaker may trip. It can be challenging to locate the short in some houses. Additionally, apply the method of elimination to identify a short in an appliance. To check for fault in the MCB distribution box, try plugging each electrical appliance in one time once you turn on the power. With this, you can check which appliance trips the circuit breaker. As a result, they are security tools that protect not only your home's electrical equipment and gadgets but also the wiring and the entire structure. As a result, every time an MCB switch trips, there is a severe reason for it, and it should be handled carefully.

Follow this advice to prevent MCB switch from tripping, as doing so will protect not only the wiring of your home but also any electrical equipment or gadgets you may have. Therefore, pick the appropriate circuit breaker from reliable MCB manufacturers in India, for your house.

Why is your MCB tripping frequently?

1. Overloaded circuit: The most frequent cause of a circuit breaker trip is overloading. It shows that numerous high-power appliances are being utilised concurrently in the home on the same circuit. When too many high-power appliances are operated simultaneously on the same circuit, an overload of electricity results.

2. Short circuit: One of life's most deadly issues, a short circuit can occur anywhere at any moment. Short circuits are nearly always the other factor that triggers circuit breaker trips. This issue arises when a wire, phase, or neutral wire in the circuit comes into contact with another wire, phase, or neutral. When these two wires come into contact, a large amount of current flows, more than the circuit can handle.

3. Ground fault: Another major cause of MCB trips is this one. Hot wires hitting the ground wire might result from poor ground wiring. When this issue arises, the circuit breaker can trip.

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