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A new label has been created for our community: "India Power Distribution & Digital". This label is the meeting point for our Indian members (but of course remains accessible to any), in order for them to discuss local electrical distribution topics.

Power Distribution and Digital Support

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Informational
Manon_Chaboud
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Arc Flash: a critical safety risk in Electrical Installations

Arc flash is one of the most dangerous yet often underestimated hazards in electrical systems. It can result in severe injury, equipment damage, and significant operational disruption, making it a crit...
Power Distribution IEC icon_circle Power Distribution and Digital Support
69 0 0

2025-10-17

Informational
Manon_Chaboud
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What is load shedding in electrical distribution?

Load shedding is a controlled process used in electrical distribution systems to prevent a complete blackout when the demand for electricity exceeds the supply. It involves intentionally reducing ...
Power Distribution IEC icon_circle Power Distribution and Digital Support
7023 4 3
Latest Reply: RHH

Informational
Manon_Chaboud
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The Primary and Secondary distribution in electrical systems

Understanding the fundamental distinction between Primary and Secondary distribution in electrical systems is pivotal for designing efficient and reliable electrical distribution systems tailored to sp...
Power Distribution IEC icon_circle Power Distribution and Digital Support
2096 4 3
Latest Reply: RHH

J_Travostino
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Discover the Forum through a Short Introduction Video

Have look at the short video below to discover your Power Distribution & Digital forum added-value and how it could help you in your daily work, bringing you efficiency, expertise and experience. ...
Power Distribution IEC icon_circle Power Distribution and Digital Support
7295 6 0

2021-05-11

Solved
Anonymous user
Anonymous user

1600A Bolted-Pressure switch

Looking for some help on how to configure a switchboard in product selector with a 1600A Bolted-Pressure switch. Issue:Selecting a part number for a 1600A or above, disconnect switch in a NEMA 3R enclo...
Power Distribution IEC icon_circle Power Distribution and Digital Support
1235 1 1
Latest Reply: Gregoire_Brun

Solved
Anonymous user
Anonymous user

Sizing a 600/24 VAC transformer for a control circuit

Hi guys, im trying to calculate how many VAs the 600/24V transfo needs to be for our control circuit. When looking the power consumption of a contactor, we have an inrush value and a sealed value. If i...
Power Distribution IEC icon_circle Power Distribution and Digital Support
1024 1 2
Latest Reply: Yarom

Solved
MajaStar
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Ecostruxre Power Commission 2.26 Error Unautharized

Hello, I've installed Ecostruxre Power Commission 2.26 and am having two issues. I can login, running the app as administartor, after a computer reboot. If I then close the app and open it again it it ...
Power Distribution IEC icon_circle Power Distribution and Digital Support
1936 0 4
Latest Reply: MajaStar

Solved
Anonymous user
Anonymous user

blok set LV switchboard

had arc flash at bus coupler compartment where their is no space heater, is it recommended?
Power Distribution IEC icon_circle Power Distribution and Digital Support
899 1 1
Latest Reply: Gregoire_Brun

Solved
sesa21615_bridg
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voltage drop calculation

Hello, I have some concerns about the voltage drop calculations: if I made calculations for simply drawings for 180A, 165m and 1 x 240sqm cable, the result is ok, but, if I have the same situation into...
Power Distribution IEC icon_circle Power Distribution and Digital Support
3485 0 5
Latest Reply: sesa21615_bridg

Solved
Anonymous user
Anonymous user

MCP IN COMBINATION WITH SOLID STATE OVERLOAD

Can an MCP/Instant Trip Circuit Breaker be used in combination with a starter having a solid stat overload relay?For exmaple the spreadsheet for SquareD NEMA powerpact_02-27-09 lists an HJL36030M71 wit...
Power Distribution IEC icon_circle Power Distribution and Digital Support
1307 1 1
Latest Reply: Christo.Thomas

Solved
AlexanderLotz
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Ecostruxure Power Commission - Node UI Server is not running

Dear Community, one of our customers get the error "Node UI server is not running (as shown in screenshot). Please try again" when trying to open EcoStruxure Power (EPC) Commissioning Software. I kno...
Power Distribution IEC icon_circle Power Distribution and Digital Support
13222 0 21
Latest Reply: EPC_Leader

Solved
Anonymous user
Anonymous user

Project Calculation Verification Doesn't Update

Greetings, I have had this problem before but cannot understand what is causing it, when it does not update and it makes me doubt the calculations. Can someone help me identify the cause for this pleas...
Power Distribution IEC icon_circle Power Distribution and Digital Support
1676 0 3
Latest Reply: Karthikeyan1

Solved
Peter_Hall
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Type B Earth Leakage Trip Units

Good afternoon, all, I've been asked to look at some EV charging units and our customer is looking for Type B Earth leakage protection. Does the M4.2/3 trip unit meet this specification when fitted to ...
Power Distribution IEC icon_circle Power Distribution and Digital Support
3441 0 7
Latest Reply: Peter_Hall

Solved
Anonymous user
Anonymous user

Earth fault loop impedance

1. Once we got Zs from calculation, So the Zs value referred between distance of cable of Phase & Ground (PE). kindly advise & explain more on how to select the cable size of Phase & Ground...
Power Distribution IEC icon_circle Power Distribution and Digital Support
6387 2 2
Latest Reply: Anonymous user

Solved
Anonymous user
Anonymous user

Merlin Gerin Values

Hello, I am carrying out an inspection of an old installation and was trying to source manufacturers data regarding max zs values for some old Merlin Gerin devices. Or maybe someone could point me in ...
Power Distribution IEC icon_circle Power Distribution and Digital Support
2155 0 1
Latest Reply: Gregoire_Brun

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