Articles Tagged: Circuit Breakers

Jump on board the digital train

In his recent Forbes article on companies that are seizing the opportunities of digital transformation, analyst Daniel Newman compared this revolution to “a charging digital bullet train.” This is one… Read more »

1 Comment

Frequently Asked Questions about Selective Coordination

This is the last in a series of posts discussing the National Electrical Code® (NEC®) requirements for selective coordination. In this post I will address some frequently asked questions and… Read more »

Leave a comment

New Technologies are Making Predictive Maintenance for Circuit Breakers a Reality

This is the second in a two-part series on predictive maintenance for circuit breakers. In my first post, I talked about a condition-based approach using real operational and environmental inputs…. Read more »

Leave a comment

How Predictive Maintenance of Circuit Breakers Boosts Reliability While Cutting Costs

In this two-part series, I’ll discuss some new techniques and technologies that can make your circuit breaker maintenance routine more efficient and effective. I’m sure you’ll agree that keeping up… Read more »

2 Comments

Selective Coordination with Molded Case Circuit Breakers

This is the fourth post in a series on achieving selective coordination – previous posts have provided an introduction to the topic, looked at its implementation in healthcare environments and… Read more »

Leave a comment

New Lift Standard Calls for New Motor Starter Selection Rules

It is one of the most common modes of transportation, carrying many times the world’s population every month. It is also a very safe way to travel. There is a… Read more »

4 Comments

Electrical Calculation Tools- Make Life Easier for Electrical Specifiers

Electrical specifiers make sure the electrical installations are safe by design. If it’s for a low voltage switchboard, their system responsibilities can be found in IEC 61439-1&2. If the wiring… Read more »

Leave a comment

Hello, Facility Manager? This is Circuit Breaker No. 4

Look around and it’s not difficult to see the incredible impact the Internet of Things is having on our daily lives. From fitness monitors to home thermostats controlled by a… Read more »

1 Comment

5 Ways Integrated Electrical Panels Deliver Solid ROI In Both New and Refurbished Buildings

When it comes to building or refurbishing any commercial building, time is money. The longer it takes to complete the job, the longer it will be before the building owner… Read more »

Leave a comment

Save More Energy by Turning Off Power Receptacles

Did you know that next to lighting, plug load equipment is the highest consumer of electrical power in a building? And plug load consumption continues to grow as more electronic… Read more »

Leave a comment

IEC 60898-1 and IEC 60947-2: a tale of two standards

In response to the question “What’s the difference between standards IEC 60898-1 and IEC 60947-2?”, I’m tending to answer with another question: What do they have in common?  They are… Read more »

56 Comments

Clearing up Confusion over 80% vs. 100%-rated Circuit Breakers

When building or upgrading a data center, at some point you need to make a decision about which circuit breakers to use. While on the face of it that may… Read more »

17 Comments

IEC 60947-2 the “all-risk” insurance for circuit breakers – Part 1

IEC 60947-2 has been around a while. Originally called IEC 947-2, it got its current name way back in 1997. So, you may wonder, why talk about it now? Let’s… Read more »

11 Comments

IEC 60947-2 the “all-risk” insurance for circuit breakers – Part 2

IEC 60947-2 obviates risk and ensures safety and reliability. Its requirements have grown in number to keep pace with evolving technologies and reliability needs of electrical distribution. Circuit breaker categories… Read more »

9 Comments

The all-in-one circuit breaker: a sign and solution of our times

Today’s 2G and 3G digital mobile phones integrate cameras, music players, emails, internet connections, text messages … and oh yes, and you can use them to make phone calls. This… Read more »

12 Comments

NEC 2014 – What’s Changed in Section 240.87 Regarding Arc Energy Reduction

The need to protect workers from the hazards of arc flash has been understood for decades – the National Fire Protection Association’s Standard NFPA 70E first addressed the issue in… Read more »

2 Comments

Circuit breaker: derating is not downgrading

To some people “derating” sounds like “downgrading”. Derating is in fact the rated current guarantee for a device installed into an Essembly. As if a circuit breaker, for example, is… Read more »

3 Comments

IEC 60947-2 the “all-risk” insurance for circuit breakers – Part 3

This is the third part of my blog on selecting a circuit breaker. And there are still some more IEC 60947 2 requirements to consider. Reference voltages One I reckon… Read more »

4 Comments

Capillary information: where ordinary systems fear to tread

“Capillary data acquisition.” Quite a mouthful, I admit. But the concept of “capillarity” is nothing new in botany or biology. And applied to information management, it’s apt. Why? Because “capillarity”… Read more »

Leave a comment

Cascading and backup: Why coordination should be compulsory

In our first blog we touched on the coordination of combined short-circuit devices and backup devices. Let’s delve a tiny bit deeper. Why is combined short-circuit coordination called cascading? An… Read more »

1 Comment

IEC 60898-1 and IEC 60947-2: a tale of two standards

In response to the question “What’s the difference between standards IEC 60898-1 and IEC 60947-2?”, I’m tending to answer with another question: What do they have in common?  They are… Read more »

56 Comments

Clearing up Confusion over 80% vs. 100%-rated Circuit Breakers

When building or upgrading a data center, at some point you need to make a decision about which circuit breakers to use. While on the face of it that may… Read more »

17 Comments

The all-in-one circuit breaker: a sign and solution of our times

Today’s 2G and 3G digital mobile phones integrate cameras, music players, emails, internet connections, text messages … and oh yes, and you can use them to make phone calls. This… Read more »

12 Comments

IEC 60947-2 the “all-risk” insurance for circuit breakers – Part 1

IEC 60947-2 has been around a while. Originally called IEC 947-2, it got its current name way back in 1997. So, you may wonder, why talk about it now? Let’s… Read more »

11 Comments

IEC 60947-2 the “all-risk” insurance for circuit breakers – Part 2

IEC 60947-2 obviates risk and ensures safety and reliability. Its requirements have grown in number to keep pace with evolving technologies and reliability needs of electrical distribution. Circuit breaker categories… Read more »

9 Comments

New Lift Standard Calls for New Motor Starter Selection Rules

It is one of the most common modes of transportation, carrying many times the world’s population every month. It is also a very safe way to travel. There is a… Read more »

4 Comments

Automatic reclosing auxiliaries: the unsung heros of continuity

In power distribution some applications are more critical than others. Hospitals, for example, or big stock exchanges like New York and London. Where lives and livelihoods are at stake there… Read more »

4 Comments

IEC 60947-2 the “all-risk” insurance for circuit breakers – Part 3

This is the third part of my blog on selecting a circuit breaker. And there are still some more IEC 60947 2 requirements to consider. Reference voltages One I reckon… Read more »

4 Comments

Circuit breaker: derating is not downgrading

To some people “derating” sounds like “downgrading”. Derating is in fact the rated current guarantee for a device installed into an Essembly. As if a circuit breaker, for example, is… Read more »

3 Comments

How Predictive Maintenance of Circuit Breakers Boosts Reliability While Cutting Costs

In this two-part series, I’ll discuss some new techniques and technologies that can make your circuit breaker maintenance routine more efficient and effective. I’m sure you’ll agree that keeping up… Read more »

2 Comments