How much Protective Current Rating of Building Branch Circuit should be considered?

Roland chung

Trusted Information Resource
#1
Hi all,

From the philosophy of IEC 60601-1, opening of a branch circuit breaker is not acceptable. But standard does not specify how much of the protective current rating of branch circuit breaker.

From memory, it seems to be 16A in Europe, 20A in North America. However, I can not find them from documents. Could you give me a hint? Thanks.

Roland
 
Elsmar Forum Sponsor
M

MIREGMGR

#2
Re: How much Protective Current Rating of Building Branch Circuit should be considere

Common branch circuit breaker ratings in US are 20A in many cases in modern commercial/organizational buildings, and 15A or 20A in older buildings of such types and in residences.

The (non-universal but broadly adopted) National Electrical Code, published by NFPA, requires (if I remember correctly) that the maximum sustained load on a branch circuit be no more than 80% of the interrupter rating.
 

Pads38

Trusted Information Resource
#3
Re: How much Protective Current Rating of Building Branch Circuit should be considere

!5 or 16A in Europe.
Except that, in the UK (and Ireland) many power circuits, especially in domestic and smaller installations, are wired in a ring and protected at 32A. Which is why we need fuses in our plug-tops.
 
Thread starter Similar threads Forum Replies Date
M Hiring Decisions - How much effort do you put into the hiring process these days? (7/2020) Misc. Quality Assurance and Business Systems Related Topics 4
M Do I Expect Too Much of Job Candidates? Career and Occupation Discussions 33
B ISO 9001:2015 Transition: Much Easier Than You Think! Misc. Quality Assurance and Business Systems Related Topics 0
E How much a bioequivalence study will cost in the UK Pharmaceuticals (21 CFR Part 210, 21 CFR Part 211 and related Regulations) 0
pammesue So much turnover, How to improve our training process? ISO 9000, ISO 9001, and ISO 9004 Quality Management Systems Standards 32
T ISO 9001:2008 to 2015 transition - How much work to change? ISO 9000, ISO 9001, and ISO 9004 Quality Management Systems Standards 14
P ISO 9001:2015 4.2 and 6.1 - Interested Parties - How much detail is required? ISO 9000, ISO 9001, and ISO 9004 Quality Management Systems Standards 17
I How much does an eQMS (Electronic/Software QMS) cost? Quality Assurance and Compliance Software Tools and Solutions 1
J Process Capability - How much percentage of tolerance? VDA Standards - Germany's Automotive Standards 3
W How much would it cost to setup a Quality System for a Repackager or Relabeler? Quality Manager and Management Related Issues 1
G How much to pay a Freelance Six Sigma Trainer in India Six Sigma 1
M 7.5.3.2 Traceability - How much traceability is required? ISO 13485:2016 - Medical Device Quality Management Systems 6
S How much do trainers charge typically for an Adobe Connect / WebEx based training? Training - Internal, External, Online and Distance Learning 3
kedarg6500 How much test force to be applied for Vickers hardness Inspection, Prints (Drawings), Testing, Sampling and Related Topics 1
D AS9100 Recertification Audits - How much in advance of the Certificate Expiration AS9100, IAQG 9100, Nadcap and related Aerospace Standards and Requirements 9
J Sourcing a Sterile Product - Asking for supplier for too much regulatory stuff? 21 CFR Part 820 - US FDA Quality System Regulations (QSR) 2
D IMR (Individuals and Moving Range) Chart for Short-Run SPC - How much data to include Statistical Analysis Tools, Techniques and SPC 1
V How much Supplier Information do I have to provide to a Customer? APQP and PPAP 6
V For an RSM, how much R-sq is good R-sq Using Minitab Software 3
R How much "harder" is an ISO 13485 Registration Audit compared to ISO 9001 ISO 13485:2016 - Medical Device Quality Management Systems 6
M MSA - According to the formula cg how much tolerance should be put in place? Gage R&R (GR&R) and MSA (Measurement Systems Analysis) 1
Sidney Vianna The frequent flyers that flew too much... Unlimited AAirpass Coffee Break and Water Cooler Discussions 11
E Consulting Fees - How much to charge Career and Occupation Discussions 33
A How Much Validation is needed for OTS Software - Marketing material only 21 CFR Part 820 - US FDA Quality System Regulations (QSR) 2
G How much time must pass after the first Certification Audit for us to appear in OASIS AS9100, IAQG 9100, Nadcap and related Aerospace Standards and Requirements 8
A Advice on setting up BD Distribution Deals - How much oversight is required? Quality Manager and Management Related Issues 2
K Key Employees and Officers - How much conflict is tolerable? Quality Manager and Management Related Issues 19
A How much effort is needed for Certification of Class II Medical Devices ISO 13485:2016 - Medical Device Quality Management Systems 9
Stijloor Thank you very much!! Covegratulations 5
K Supplier Audit - How much information do we have to give them? ISO 9000, ISO 9001, and ISO 9004 Quality Management Systems Standards 6
Q Document Control Procedure - Too much detail? Document Control Systems, Procedures, Forms and Templates 8
somashekar Too much data, Too little analysis - Manual Stages Assembly Shop Data Collection Quality Tools, Improvement and Analysis 2
R OASIS Database Fees - How much are you paying your CB? AS9100, IAQG 9100, Nadcap and related Aerospace Standards and Requirements 4
M Defining what is a Medical Device Accessory and what isn't - Much Confusion EU Medical Device Regulations 8
A Customer SQE - Within Specification but too much Variance Customer Complaints 7
A What to do when customer requirements are too much? Quality Manager and Management Related Issues 29
D How much Tolerance do I use to Calibrate a 150kgs capacity Scale? General Measurement Device and Calibration Topics 5
M How much Process Description is required or needed? ISO 13485:2016 - Medical Device Quality Management Systems 10
D How much Deviation is Acceptable when Calibrating a Hygrometer? General Measurement Device and Calibration Topics 3
L FDA Audit - How much advance notice do foreign manufacturers get? ISO 13485:2016 - Medical Device Quality Management Systems 4
R MSDS Sheets for Products - How much is too much - Or is there ever too much? Occupational Health & Safety Management Standards 12
T How much information should I keep in my Master Document Register? Document Control Systems, Procedures, Forms and Templates 8
4 Change Control Systems - How much is too much? Document Control Systems, Procedures, Forms and Templates 10
Marc Saying "I only had one beer" doesn't mean much any more Coffee Break and Water Cooler Discussions 3
R NQA-1 Quality Manual vs. Standard - How much should they differ Quality Management System (QMS) Manuals 7
Q How much detail in DHR (Device History Record) is too much? US Food and Drug Administration (FDA) 3
F How much longer can a company declare registration to ISO 9001:2000? ISO 9000, ISO 9001, and ISO 9004 Quality Management Systems Standards 21
R Going to the bank-How much extra have I paid Funny Stuff - Jokes and Humour 2
M Certification Audit - How much of the scope of the audit should we know? General Auditing Discussions 11
L SCAR (Supplier Corrective Acton Request) Responses - How much do you tell? Nonconformance and Corrective Action 8
Similar threads


















































Top Bottom