Mainline stabilizer Vs. AC stabilizer

Mainline stabilizer vs. AC stabilizer can offer the user great insight into making the right choice when facing frequent power cuts. While frequent power cuts can easily disturb our everyday lives and also leave our appliances quite damaged. Essentially this occurs because high voltage fluctuations often accompany the power cuts. This is the prime reason why our electronics tend to ‘expire’ much earlier than anticipated. We know that controlling the frequencies of power cuts is not in our hands; nevertheless, safeguarding our appliances sure is during voltage fluctuations. This can be done easily with the help of two main stabilizer types: the Mainline and the AC stabilizer. Let us look at the details of each stabilizer type and what they are all about. 

Mainline stabilizer Vs. AC stabilizer

The main purpose of the stabilizers, as a device, is to regulate and correct the voltage that is accessed within the electronic device. This allows a secure power supply during power surges due to outages. An external voltage stabilizer is a common fixture when it comes to refrigerators. This is essentially the working of the mainline stabilizer, where it is used for the main power line and not for any electronic appliance. Hence, this way, the mainline stabilizer works by safeguarding all the appliances throughout the house.

The Working of the Mainline Stabilizer

This appliance comprises an inbuilt ‘transformer.’ The device generates a standard voltage with the help of the electromagnetic current. This way, the Mainline stabilizer works more like a barrier between the main power supply and all the appliances. Hence, this device works by monitoring and stabilizing the voltage fluctuations before these can damage the devices across the home. These are then attached to the main power of the house. As the consistent supply of electricity to the devices is ensured, the overall working of the mainline stabilizer is maintained.

The Advantages of the Mainline Stabilizer

The main benefits of the Mainline stabilizer are:


This is one of the foremost features of the Mainline Stabilizer that ensures that all your electronic appliances are safe from damage due to rapid voltage fluctuations. Due to voltage fluctuations, there is a chance for the power supply to either exceed or drop below the prescribed levels. This is the main reason for the malfunctioning of the electric devices, causing permanent damage to the machines. With the help of the Mainline Stabilizer, it is now easy to protect your appliances and to ensure they last long.


As most electric appliances are quite expensive, it becomes a major task when damaged, which can also be permanent. Hence, with the Mainline stabilizer’s installation, it is now possible to protect your electronic appliances and ensure they are well-protected.

The AC Stabilizer

In order to know about AC Stabilizer vs. mainline stabilizer, let us first get to know about the former. This device is also known as the Voltage Stabilizer, and as the name suggests, it has been designed to stabilize the fluctuating voltage. To be more precise, the Voltage stabilizer is engineered to stabilize a fluctuating voltage. 

The stabilizer reduces the output voltage if the input voltage exceeds the acceptable range. Likewise, when the input voltage is less, it works by stepping up or increasing the output voltage. Electronically speaking, the AC stabilizer is an electronic regulator that makes use of tap changers with autotransformers. Hence it behaves like a safeguarding machine between the electronic appliance and the main utility by constantly monitoring the fluctuations and maintaining the output voltage within a trouble-free range.

The Advantages of the AC Stabilizer

Some of the main benefits of the AC stabilizers are:

  • AC stabilizers are also available in digital models, making it easier for the user to make the relevant settings and readings as required. 
  • The ‘time-delay function’ in the AC stabilizer also allows the compressor enough time to balance the electricity flow during times of power cut. Hence with the help of the ‘time-lapse’ function, one can stay assured that the electronic appliance is well protected. 
  • This stabilizer kind also offers a great deal of overload protection, ensuring that the stabilizer automatically switches off the current supply when faced with short circuits and overloading. 
  • The AC stabilizers are highly effective in protecting electronic appliances like washing machines, televisions, air-conditioners, and refrigerators. 

Voltage Fluctuations

Now that we have understood what is the difference between the mainline stabilizer and AC stabilizer let us understand what the voltage fluctuations are all about. 

Essentially, most Indian homes comprise an input voltage within the range of 220V to 230V. However, there are cases when the input voltage might drop down below 220V or can also rise above 230V. This is greatly evident in case you still have incandescent bulbs across your home. There are times when these bulbs turn brighter or dimmer ‘suddenly.’ This is essentially the case of voltage fluctuation that we are talking about. 

The Main Causes of the Voltage Fluctuations

Now let us take a look at some of the main reasons for the fluctuations to occur:

  • One of the prime reasons for the fluctuations to occur is the input supply from the main grid.
  • The other reason can be a case of bad wiring across the house or inadequate earthing. 
  • Short Circuits are yet another main reason for sudden voltage fluctuations.
  • Switching on some heavy powered appliances like the AC units, electric motors, pumps, and others. Likewise, overloading is also considered to be a reason for the rapid voltage fluctuations. 

Mainline Stabilizer Vs. AC Stabilizer: The Conclusion

Stabilizers are one of the most important electric appliances that we can have in our homes, especially when we are facing voltage fluctuations. These devices go a long way in ensuring that the durability and longevity of electronic appliances across our homes remain as intact as possible.

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