• Skip to main content
  • Skip to primary sidebar

Homemade Circuit Projects

Need circuit help? Post them in the comments! I've answered over 50,000!

Blog | Categories | About | Contact | Calculators-online
You are here: Home / Archives for Protector

Protector

Mains AC Short Circuit Breaker/Protector – Electronic MCB Circuit

Last Updated on February 15, 2026 by Swagatam 111 Comments

ShortCircuitbreaker

In this post I will try to explain the making of a simple 220 V, 120 V AC mains short circuit breaker using an SCR and a triac combination, (researched and designed by me). The circuit is an electronic version of the normal main circuit breaker MCB units that we use in our homes. Note: […]

Filed Under: Voltage Control and Protection Tagged With: AC, Breaker, Electronic, Mains, Protector, Short

AC 220V/120V Mains Surge Protector Circuits

Last Updated on November 10, 2024 by Swagatam 175 Comments

Simple Mains AC Surge Protector Circuit Diagram2C Image

Voltage spikes  can sometimes be a big nuisance as far as the safety of the various electronic appliances are concerned. I have explained how to make a simple AC Mains surge protector circuits at home. What is a Surge Protector A surge protector is an electrical device which is designed to neutralize minor electrical spikes […]

Filed Under: Voltage Control and Protection Tagged With: 120V, 220V, AC, Mains, Protector, Surge

Home EMF Radiation Protector Neutralizer Circuit

Last Updated on October 25, 2024 by Swagatam 41 Comments

EMFradiationneutrilizercircuit

The post investigates a circuit which can be used for negating or neutralizing the everlasting harmful low frequency EMFs created from our mains power line in our homes. The idea was requested by one of the interested readers of this blog. Technical Specifications I’m trying to find a device or plans to build a device […]

Filed Under: Home Electrical Circuits Tagged With: EMF, Home, Neutralizer, Protector, Radiation

5 Useful Motor Dry Run Protector Circuits Explained

Last Updated on September 22, 2024 by Swagatam 272 Comments

motor2Bdry2Brunning2Bpreventor2Bcircuit

The 5 simple dry run protector circuits presented here shows simple methods by which  insufficient water conditions inside an underground tank can be sensed without introducing probes inside the underground tank, and thus preventing any possibility of motor dry running. The circuit also incorporates an overhead water overflow control feature. The idea was requested by […]

Filed Under: Water Controller Tagged With: Circuits, Explained, Motor, Protector, Useful

Mains AC Home Protector Circuit

Last Updated on March 10, 2024 by Swagatam 200 Comments

home protector circuit

This simple mains 220 V, 110 V AC voltage home protector circuit will protect all the mains operated appliances of your home from high and low voltage situations and also from sudden voltage surge. The circuit can be used with 220 V AC inputs and also with 110 V AC inputs. The circuit will basically […]

Filed Under: Voltage Control and Protection Tagged With: AC, Home, Mains, Protector

Lathe Machine Over Load Protector Circuit

Last Updated on January 3, 2024 by Swagatam 8 Comments

overloadprotectorcircuit

In this article I have explained a simple overload cut off circuit for safeguarding heavy mains operated machines such as a lathe machine. The idea was requested by Mr. Howard Dean. Technical Specifications May I first say I have very little knowledge of electronics although I could follow a simple diagram. I operate a small […]

Filed Under: Voltage Control and Protection Tagged With: Lathe, Load, Machine, Over, Protector

  • Page 1
  • Page 2
  • Go to Next Page »

Primary Sidebar

circuit simulator image

Subscribe to get New Circuits in your Email

Categories

  • Arduino Projects (95)
  • Audio and Amplifier Projects (133)
  • Automation Projects (18)
  • Automobile Electronics (103)
  • Battery Charger Circuits (87)
  • Datasheets and Components (109)
  • Electronics Theory (149)
  • Energy from Magnets (27)
  • Games and Sports Projects (11)
  • Grid and 3-Phase (20)
  • Health related Projects (27)
  • Home Electrical Circuits (13)
  • Indicator Circuits (16)
  • Inverter Circuits (95)
  • Lamps and Lights (159)
  • Meters and Testers (71)
  • Mini Projects (28)
  • Motor Controller (68)
  • Oscillator Circuits (28)
  • Pets and Pests (15)
  • Power Supply Circuits (91)
  • Remote Control Circuits (50)
  • Renewable Energy (12)
  • Security and Alarm (64)
  • Sensors and Detectors (106)
  • SMPS and Converters (34)
  • Solar Controller Circuits (60)
  • Temperature Controllers (43)
  • Timer and Delay Relay (49)
  • Voltage Control and Protection (42)
  • Water Controller (37)
  • Wireless Circuits (31)

Other Links

  • Privacy Policy
  • Cookie Policy
  • Disclaimer
  • Copyright
  • Videos
  • Sitemap

People also Search

555 Circuits | 741 Circuits | LM324 Circuits | LM338 Circuits | 4017 Circuits | Ultrasonic Projects | SMPS Projects | Christmas Projects | MOSFETs | Radio Circuits | Laser Circuits | PIR Projects |

Social Profiles

  • Twitter
  • YouTube
  • Instagram
  • Pinterest
  • My Facebook-Page
  • Stack Exchange
  • Linkedin

Recent Comments

  • Swagatam on Simplest Full Bridge Inverter Circuit
  • Swagatam on Inverter LC Filter Calculator
  • Majaha Masuku on Simplest Full Bridge Inverter Circuit
  • Srecko Kovacevic on Inverter LC Filter Calculator
  • Swagatam on How to Make Dog Barking Preventer Circuit using High Frequency Deterrence

© 2026 · Swagatam Innovations