Latest Circuit Protection Articles

Control Automation is proud to announce updates to several chapters of our popular online textbook. Check out the…

Control Automation is proud to announce updates to several chapters of our popular online textbook. Check out the improvements in the PLC, Feedback Control, and Power Generation sections.

Siemens breaks new ground by having a solid-state circuit breaker UL listed for residential, commercial, and light industrial use.

Siemens breaks new ground by having a solid-state circuit breaker UL listed for residential, commercial, and light industrial use.

Learn how one small farm in a rural community is upgrading production with advanced technology in several ways to…

Learn how one small farm in a rural community is upgrading production with advanced technology in several ways to overcome staff shortages, product demand, and regulatory compliance.

Relay and other coil devices pose a few confusing questions: How can the relay still work if you connect a DC supply in…

Relay and other coil devices pose a few confusing questions: How can the relay still work if you connect a DC supply in reverse? How can an alternating voltage attract and hold the load consistently?

Pilz has added the PNOZ m C0 to their PNOZmulti 2 product lineup, an easy-to-program, standalone safety relay that…

Pilz has added the PNOZ m C0 to their PNOZmulti 2 product lineup, an easy-to-program, standalone safety relay that provides customers with a compact solution for smaller machines.

Industrial control panels are at the heart of control systems. Learn about the standards and regulations that dictate…

Industrial control panels are at the heart of control systems. Learn about the standards and regulations that dictate industrial control panel design for safety and efficiency, including NFPA 70, UL 60947-4-1, and NFPA 79. 

Whether open or closed, industry standard or built for tough environments, or modular or customized, it is important to…

Whether open or closed, industry standard or built for tough environments, or modular or customized, it is important to follow a set of repeatable tasks when designing industrial control panels for efficiency and safety.

Vacuum Interrupters has announced the RVI-43A replacement vacuum interrupter designed to break circuits in a controlled…

Vacuum Interrupters has announced the RVI-43A replacement vacuum interrupter designed to break circuits in a controlled manner to avoid damage and injury from an arc flash.

The diverse power terms in electrical generation systems include active, reactive, and apparent power, all of which lead…

The diverse power terms in electrical generation systems include active, reactive, and apparent power, all of which lead to the introduction of ‘power factor’ effectiveness in an AC circuit.

The quality of content from our educational site comes from understanding our audience and your needs. Help give us the…

The quality of content from our educational site comes from understanding our audience and your needs. Help give us the best snapshot of today’s control industry, along with a free chance to win one of several Amazon card prizes!

Grounding transformer connections presents its own set of challenges. This article addresses these challenges and several…

Grounding transformer connections presents its own set of challenges. This article addresses these challenges and several common configurations for control transformer grounding.

KEMET announces the release of their GTX Metal Case Three Phase Filters which utilize a nanocrystalline metal core to…

KEMET announces the release of their GTX Metal Case Three Phase Filters which utilize a nanocrystalline metal core to bring forth volumetric efficiency while reducing unwanted electromagnetic and radio-frequency interference.

Today’s digital multimeters (DMMs) are inexpensive, accurate, and easy to use, but sometimes a problem with the circuit…

Today’s digital multimeters (DMMs) are inexpensive, accurate, and easy to use, but sometimes a problem with the circuit or the measurement can cause incorrect readings. Learn to interpret and fix these problems.

Fuses and breakers are some of the most common safeguards to prevent electrical shock and fires. Learn about these two…

Fuses and breakers are some of the most common safeguards to prevent electrical shock and fires. Learn about these two pieces of industrial equipment and the difference between slow blow and quick blow responses.

The CTRL F3 series reviews field studies and failures in the field focused on control fails, fixes, and facts. This…

The CTRL F3 series reviews field studies and failures in the field focused on control fails, fixes, and facts. This article covers an explosion at an industrial sawmill.

DC voltage systems exist to provide controllers and field devices with stable power, but it is not always clear when…

DC voltage systems exist to provide controllers and field devices with stable power, but it is not always clear when these systems should be bonded with the earth ground of the AC line voltage supply.

Welcome to Control Automation Day 2022—Control.com’s digital-only event for engineers! Here is your guide to…

Welcome to Control Automation Day 2022—Control.com’s digital-only event for engineers! Here is your guide to navigating the keynote addresses, live educational sessions, and exciting giveaways from your favorite manufacturers!

Schaffner introduces its newest electromagnetic compatibility filters for data centers and robotic-automation sectors,…

Schaffner introduces its newest electromagnetic compatibility filters for data centers and robotic-automation sectors, allowing for different connection options and saving on space with a 1U rack-mount design.

Power supplies tend to get a reputation as one of the most important power considerations of a DC control circuit - but…

Power supplies tend to get a reputation as one of the most important power considerations of a DC control circuit - but we can’t ignore other key players: power filters, converters, and backup power modules.