High Voltage Emergency Mains Cut-OFF Circuit

In this post we learn how to make a simple high voltage emergency mains cut-off circuit for intentionally blowing a fuse during a catastrophic high voltage tendency, making sure that the attached fuse blows first rather than damaging the valuable appliances If the voltage of the mains supply of a computer goes up too much, […]

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Electronic Fuse Circuit for Power Supply  

  Electronic circuit current fuse has gained popularity in recent times, especially when it comes to structured power resource and power assembled circuits. The classic fuse tube, which was quite popular once gets fused when placed on wrong PCB during testing, barring some hi-priced one. It is for this reason that many semi-conductors have lost […]

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Simple Mains Overload Protection Circuit

I have posted a few mains voltage stabilizer circuits in this blog, these units are made and meant for preserving the connected appliances at their outputs. In spite of this these equipment lack one protection which is the overload protection. A specific stabilizer unit might be rated for managing an optimum stipulated limit of power, […]

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Mains 220V/120V Short Circuit Breaker Protector

A short circuit in a house wiring can occur to be an issue that takes place extremely rarely and people aren’t too considering to get any appropriate preventive measure set up in their houses and take the hazard very casually. In spite of this occasionally as a result of some accidental fault, a short circuit […]

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Triac Controlled Mains Voltage Stabilizer Circuit

This, certainly one of its kind and difficult to find triac control AC voltage stabilizer circuit has been created in particular simply for you. Being solid state in design, the voltage switching transitions are extremely smooth with minimum damage, leading to beneficial voltage stabilization. Find out the entire development technique of this excellent, solid state […]

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Single Phase Preventer Circuit

Everyone knows that for working heavy electrical loads three phase power or AC is needed to be able to produce the working economical and viable. But yet this demands the existence of all the three stages at all situations. If any of the levels fail, may cause devastating effects to the linked systems. The following […]

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Amplifier/Loudspeaker Overload Protector Circuit

At the time of dealing with high power amplifier designs, two things turn out to be essential, the security of the amplifier and the safety of the speakers from an accidental over current influx. Particularly whenever the amplifier design entails expensive mosfets, the design turns into in particular susceptible to short circuits at the outputs. […]

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Simple Time Delay Relay Protector Circuit for Refrigerators

Every refrigerator has a compressor, generally a hermetically sealed unit with a motor. This unit is the heart of a refrigerator. As motor burn-out due to any reason can mean a heavy billing on repairing charges, it is wise to invest a little on a protection system. External protection systems available in the market. unfortunately […]

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Simple Mains Voltage Stabilizer Circuit

Manual transformers are good for jobs where the equipment is being attended to personally, such as while viewing a TV. Also an automatic transformer would be unacceptable for viewing a TV in an area where fluctuations are rapid, because every time a relay in the automatic voltage regulator changes steps there would be a flicker […]

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How to Build a Grid Transformer Fire Hazard Protector Circuit

The article describes a wise mains fire hazard protector circuit that are available for stopping mains grid transformers from over heating and resulting in sparks or perhaps burning due to a possible fire. A transformer would certainly are likely to catch fire or result in sparks if the load associated with it surpasses its optimum […]

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