24 Gauge - .020" Thick Thank u sir, this will help me a lot in my field of job, Power distribution load centers generally have 2 methods of current supply. He is member of Institution of Engineers (MIE) and CEng,India. 11 Gauge - .094" Thick .250" Thick can you mail me copy of Indal text book and Thomas & rata text book if you have. 3. id also like to know how you chose the above bus bar size and please post the board with the bus bar dimensions. Thanks, Our ability to purchase raw materials in volume, and hold a broad inventory enables us to shorten lead times and pass significant savings on to you. 2022 MRB WEB ONLINE All Rights Reserved. I still prepare the 1000A per square inch of copper bus bar. .312" Thanks for this information, kindly share electrical technical information to us. .187" Large & strategic bus bar inventory fulfills urgent & emergency orders requiring quick turnaround. Please contact with Marketing Department for sizes other than above listed. .125" X 1.00" (JX-23) .394 x .787 - 10 x 20 mm (JX-898) Confirm temperature inside outdoor Metering panel when carrying full load current at an ambient of 40 Deg.C. Membership No:F-1264873 ,M-1473586.He has more than 19 years experience in Transmission -Distribution-Electrical Energy theft detection-Electrical Maintenance-Electrical Projects (Planning-Designing-Technical Review-coordination -Execution). Dear Jignesh, Design Engineer in MV SWGR company. Note: Brown and Sharpe is the standard used to measure the copper sheet gauge. what data do I follow for K1? Silver busbar current Carrying capacity = 1.6 * Busbar width * Thickness in Amps. Copper bar current capacity when 40 = bar width(mm)*thickness coefficient, (thickness coefficient is 20 when bar width is 12(mm);it is 18 when Thankyou for all your usefull refference. hello sir i have 63 A mcb 24 nos out going. Sydney 02 9827 0790 whereas in actual bus bar size 2 runs of 75 X 10 mm. its a typographical errorshould be Perth 08 9258 2600, Your nearest service centre because i dont know about the bus bar size mean, how could i find the bus bar rating with a only amps. any one knows how to find bus bar size with a only amps rating. If You find this content in any other site,it makes the page you are viewing an infringement of the copyright. .500" X 3.00" (JX-910) if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'electrical4u_net-leader-1','ezslot_12',127,'0','0'])};if(typeof __ez_fad_position != 'undefined'){__ez_fad_position('div-gpt-ad-electrical4u_net-leader-1-0')};Performance to cost ratio: Aluminium > copper > galvanized iron > steel, Dear Sir, THIS IS GOOD REFERENCE FOR LV AND MV SWGR. Because of this, Storm is able to provide its customers over 450 dimensional profiles of copper bar in standard US and metric sizes - at wholesale prices. Is this because of economical factor or any technical advantage is there.? It has excellent electrical conductivity and is easy to form and work. It is a very usefull calculation, which could serve my present requirement. Storm Power's rectanglularaluminum baroffers above average corrosion reisistance, good machinability, and is excellent for welding. It is Bare so following Table, Bus bar Position is Edge-mounted bars so following Table, Bus bar Installation Media is Non-ventilated ducting so following Table, Bus bar Area per Phase = Bus width X Bus Thickness X Length of Bus X No of Bus bar per Phase, Bus bar Area per Phase = 75x10xX500X2= 750000mm, Total Bus bar Area for Enclosure= No of Circuit X( No of Phase + Neutral )X Bus bar Area per Phase, Here we used Size of Neutral Bus is equal to Size of Phase Bus, Total Bus bar Area for Enclosure=3X(3+1)X750000mm, Total Bus bar Area for Enclosure=9000000 Sq.mm, Total Enclosure Area= width X Height X Length, Total Enclosure Area=1200x600x2400=1728000000 Sq.mm, Total Bus bar Area for Enclosure / Total Enclosure Area =9000000/1728000000, Total Bus bar Area for Enclosure / Total Enclosure Area=0.53%, Bus bar Artificial Ventilation Scheme is without artificial ventilation so following Table, Bus bar Width (e) is 75mm and Space between each bus of Phase is 75mm so, Bus bar Phase Spacing (p) / Total Bus length of Phase with spacing, From following Table De rating factor is 0.82, Altitude of Panel Installation on Site is 2000 meter so following Table, Total De rating Factor= K1XK2XK3Xk4Xk5Xk6Xk7Xk8, Total De rating Factor =1.83x1x1x0.80.90.950.820.88, Desire Current Rating of Bus bar (I2) =630 Amp, Current Rating of Bus bar after De rating Factor (I1)= I2 X De rating Factor or I2 / De rating Factor, Current Rating of Bus bar after De rating Factor (I1)=6300.9, Bus bar Cross Section Area as per Current= Current Rating of Bus bar / Current Density of Material, Bus bar Cross Section Area as per Current= 697 / 1.6, Bus bar Cross Section Area as per Short Circuit= Isc X ((K/( tx100)x(1+ 20x) xt, Bus bar Cross Section Area as per Short Circuit= 50000X ((1.166/( 100100)x(1+ 0.0040385) x1, Actual Selected Bus bar size is 7510=750 Sq.mm. Any standard of MDB & SMDB incoming and out goings standard Fault rating (kA) . you do not need to use 2 leaves of 1/4 x 1 bus bar. RHIFLEX - Insulated Flexible Copper Bus Bars For Heat Shrink Tube, Customized Copper Bus Bar for Power Storage Systems, Battery Connector and Flexible Copper Bus Bars, Extruded Copper Bus Bar For Electric Automotive. to ASTM, Smooth Bunched Tin Plated Copper Conductors Acc. I have one doubt . hard drawn tube or pipe is a critical component in electrical power transmission and distribution at electrical substations and industrial power installations. .375" Thick. Very thankful to you .394 x 3.15 - 10 x 80 mm (JX-1036) Copper is having high current carrying capacity. to ASTM, CLASS 2 Tin Plated Copper Conductors Acc. what is the Current density of the Copper and is the Busbar size sufficient for that Transformer? Titanium (TI) Up to .15% Correct me if im wrong. The art of juggling a myriad of vendors, transit schedules, production timelines, and material availability But tin-coated copper can be used in a high moisture area. .250" X 4.00" (JX-40) The aluminium bus bar is cheaper than copper busbar, but the resistivity of the aluminium busbar is high as compared with copper busbar. Actual Bus bar cross section Area per Phase =7502= 1500 Sq.mm, Peak electro-magnetic forces between phase conductors (F1) = 2X(l/d)X(2.5xIsc)2/100000000, Total width of Bus bar per Phase(w)=75+75+75=225mm =2.25cm, Bus bar Phase to Phase Distance (d)=400+225=625mm=6.25cm, Peak electro-magnetic forces between phase conductors (F1) =2x(50/63)x(2.550000)2/100000000, Peak electro-magnetic forces between phase conductors (F1)=250 Kg /cm2, Peak electro-magnetic forces between phase conductors (F1)=2.5 Kg /mm2, Actual Forces at the head of the Supports or Bus Bar (F)=F1X(H+h/H), Actual Forces at the head of the Supports or Bus Bar (F)=2.5x(100+5/100), Mechanical strength of the bus bars=(F1X i /12)x(1/ Modulus of inertia of a bus bar ), From above table Value of Modulus of inertia of a bus bar=14.45, Mechanical strength of the bus bars=(25050/12)X(1/14.45), Mechanical strength of the bus bars= 72 Kg/cm2, Calculated Maximum Temperature Rise (T2)=T/(log(I1/I2)1.64), Calculated Maximum Temperature Rise (T2)=35/(Log(697/630)1.64), Electrical Abstract-National ElectricalCode-NEC, WORKING SPACE FOR ELECTRICAL EQUIPMENTS / PANELS(PART-2), WORKING SPACE FOR ELECTRICAL EQUIPMENTS / PANELS(PART-1), Difference between PVC- LSF-LSHF- FR- FRLS -FRLSH Cables. : Calculated Maximum Temperature Rise (T2)=35/(Log(697/630)1.64). Copper bar and aluminum bar can also be estimated as square terms, usually copper should be 5-8A/sq, Aluminum should be 3-5A/sq. (many other sizes available): .094" X 1.00" (JX-168) Gold and Silver bus bar is used in high conductivity applications. In short using Storms superior sourcing know-how, we will get you the products you need with the best turnaround and pricing possible. 1. to EN 60228, CLASS 5 Nickel PLated Copper Conductors Acc. $200 line minimum per order. Delivered in diameters of 8-10-12-14-15-16-18-20-22-24-26-28-30-32-34-35-36 mm and in lengths 2 - 6 m. Cut in 2 6 m (6.5-19 ft) lengths, on wooden pallets and PE covered acc. Melting point: 588C 1090F, 1.5 million lbs of Raw Material Available. Silver busbar is the very rarely used busbar since the cost of the silver is very high. Also see: Busbar Current Calculator Onlineif(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'electrical4u_net-medrectangle-4','ezslot_6',109,'0','0'])};if(typeof __ez_fad_position != 'undefined'){__ez_fad_position('div-gpt-ad-electrical4u_net-medrectangle-4-0')}; The bus bar which carries alternating current such bus bar is called AC busbar and the Busbar which carries direct current such a bus bar is called DC bus bar. Please provide following information given below- Please allow time for the PDF to download! Thanks Mr. Parmar, I was looking for data related to the torque limits for the bus bar joints and its impact on temperature rise of bus bars during normal usage. 3) Bus bar Material Permissible Strength=, Sir i want BUS Bar Capacity and Size for250 Amps incomer MCCB and 100 Amps MCCB-07 Nos out going. Copper busbar current carrying capacity = 1.2 * Busbar width * Thickness in Amps. Its a blessing that you are maintaining this site, Someone explains to me: Number of Bus Bar Strip per Phase (K1)..What is bus bar strip. .394 x 3.94 - 10 x 100 mm (JX-893) Galvanised busbar current Carrying capacity = 0.6 * Busbar width * Thickness in Amps. Jignesh Parmar has completed M.Tech (Power System Control), B.E(Electrical). thanks for this useful information. Installation of Panel= Indoors (well Ventilated), Altitude of Panel Installation on Site= 2000 Meter, Panel Length= 1200 mm ,Panel width= 600 mm, Panel Height= 2400 mm, Temperature Co efficient of Material Resistance at 20c(20)= 0.00403, Bus bar Material Permissible Strength=1200 kg/cm2, Bus bar Installation Media= Non-ventilated ducting, Bus bar Artificial Ventilation Scheme= without artificial ventilation, Distance between Two Bus Strip per Phase(e)= 75 mm, Distance between insulators on Same Phase(l)= 500 mm, Distance from the head of the insulator to the bus bar center of gravity (h)= 5 mm, Permissible Strength of Insulator (F)=1000 Kg/cm2, Bus bar Width(e) is 75mm and Bus bar Length per Phase(a) is 500mm so e/a is 75/500=0.15, From following table value of de rating factor is 1.83, Bus bar having No insulating material. What is the technical reference or Indian standard reference for this design? 20 Gauge - .032" Thick It is also called a GI bus barif(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'electrical4u_net-large-leaderboard-2','ezslot_11',112,'0','0'])};if(typeof __ez_fad_position != 'undefined'){__ez_fad_position('div-gpt-ad-electrical4u_net-large-leaderboard-2-0')}; Hot-dip galvanising protects the material such as steel and ferrous material from corrosion and various weather conditions by providing a tough metallic zinc envelope, which completely covers the steel surface and seals it from the corrosive action of its environment. I want to design a Bus bar of rating 700V, 130A DC supply , then what is thinkness of bus bar size when it is a copper material, how to select busbar as per rating changes of panel for eg.. 1000A ACB, 2500A ACB WHICH SIZE OF BUSBAR Do you have the exact standard (e.g. Zinc (ZN) Up to .25 %, Forming: GOOD As per IS standard, the Al bus bar should carry 0.7 to 0.8 A per cubic milli meter and Cupper should carry 1.2 Amps per cubic milli meter. .197 x 1.57 - 5 x 40 mm (JX-1042) Very use ful information you have given to us. 1.25" x 1.25". 630/.9, KINDLY PROVIDE US WITH THE RELATION BETWEEN BUS BAR SIZING AND INTERNAL SEPARATION. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. hello, what if I need to compute for the total ampacity for more than 3 busbars per phase? Manganese (MN) Up to .15 % Also, the only disadvantage of copper is that it will get erode on the high moisture area, in those place aluminium busbars are highly recommended. to EN 60228, CLASS 5 Bare Copper Conductors Acc. Bus bar products are all we do. This gives the volume of the right, how you considered it as area? you can not reproduce,republish or communicate any of the content , including files downloadable from this website, without the permission of the copyright owner.The use of this content on any other websites breaches copyright Act. Is it actual ambient temperature of settled value after temperature has risen due to heat emitted? Aluminium busbar current carrying capacity = 0.8 * Busbar width * Thickness in Amps. What is the Bus bar Material Permissible Strength: for aluminium. Applicable for a wide range of applications and industries, bus bar is commonly found in: With50+ years of experience, EMS specializes in manufacturing high-quality copper bus barand aluminum bus bar parts. Beeboy Tanedo The following widths are available in the Cu/Al comparison chart below: Click to view large PDF of comparison chart, Aluminum ( AL) 98.9 % Assistant Helper Electrician TM Care, U-SHAPED WITH OVERLAPPING FRONT COVER TYPE, ENGINE, ENGINE COMPONENTS AND AUXILIARY EQUIPMENT, ELECTRICAL PROTECTION AND INSTRUMENTATION, GENERATOR SET CONTROL BOARD AND GENERATOR SET CONTROLLERS, TEST, TEST INSTRUMENTS AND TEST CERTIFICATES, SHOP DRAWINGS, AS-INSTALLED DRAWINGS, MANUALS AND TOOLS, OTHER ITEMS TO BE SUBMITTED WITH THE TENDER, Underground Car Park Smoke Control Design, Project Management Tracking Record (PMTR). Richmond, IL 60071 USA, 2019 EMS Industrial & Service Company These bus bars are manufactured from iron and they will be galvanized. You are doing a great service yo practicing engineers.After all, teaching is a noble way of serving the people. For Example: 2-How to compare Al and Cu Bus bar to select for same rating. Kindly confirm the name of the standard followed by you to arrive at the formulae defined above and how shall be the approach to calculate for DC currents. to ASTM, Tin Plated Copper Conductors Acc. We specialize in high-qualitycopper bus bar&aluminum bus bar, produced onstate-of-the-art equipment. to ASTM, CLASS 2 Bare Copper Conductors Acc. to EN 60228, CLASS 6 Bare Copper Conductors Acc. to ASTM, Smooth Bunched Nickel PLated Copper Conductors Acc. Can you please let me know source reference for insulation material on busbars PVC Sleeve / Painted??? These are not suitable for high moisture are. Dear Sir, CAN I USE HALF GRADE COPPER BUS BAR 15X100 MM FOR 2500AMPS AC 50HZ. He wants to Share his experience & Knowledge and help technical enthusiasts to find suitable solutions and updating themselves on various Engineering Topics. Is there anything else we have to know. .125" X 3.00" (JX-21) Desire Maximum Current Rating of Bus bar =630Amp. Thanks a lot for sharing such a useful article. Hitesh parikh Let me know the factors reference for PVC sleeve & matt black painted busbar. Operating Temperature of Bus bar ()=85C. Call us to check! Thanks and regards, can provide bus bar size calculation for 3sec. 1- How to select Al Bus bar (Info of Al Bus bar Material ) Learn more about our copper types, tempers, and alloys, read our Copper Buying Guide. All Rights Reserved DUNS: 62-393-3397 NAICS: 332116 CAGE/NCAGE: 1Y2K0. You have entered an incorrect email address! .250" X 6.00" (JX-42) Melbourne03 9409 8500 You adjust the width and thickness as long as the area is the same. How can the product of these three dimensions be area, it can be only volume; Please clarify. Bus bar sizes are for copper & aluminum. Sir, what is the material constant for aluminium busbar K=? Contact EMS Industrial today at 815.678.2700. ServoMotor | Basic Working Principle of ServoMotor, MCCB Current Setting | I2t | Ir | Isd | Ii | Ig Explanation. Cross section and weight figures are for busbars with rounded corners of 1.00 mm (0.039in). He wants to Share his experience & Knowledge and help technical enthusiasts to find suitable solutions and updating themselves on various Engineering Topics. 1.0" x 1.0" 2) Material Constant(K)= However; there is a remedy to eliminate some uncertainty on yourto-do list; a single source copper supplier. 18 Gauge - .040" Thick Our machining centers allow us to manufacturesimple orcomplexdesigns, and our skilled team ensurestimely, error-free delivery. The iron bus bar is cheap as compared with aluminium and copper. .196 x 1.181 - 5 x 30 mm (JX-895) Note that, the copper carries 1.2 A/Sqmm. or the same ? Many smaller capacity load centers (100-225 amperes) have current supplied through a main breaker connected to the mid-section of a bus. to EN 60228, 7 Strand Concentric Bare Copper Conductors, 19 Strand Concentric Bare Copper Conductors, 37 Strand Concentric Bare Copper Conductors, Extra Flexible Bare Copper Rope Lay Conductors, General Tin Plated Copper Conductors Acc. Change), You are commenting using your Twitter account. He is Freelancer Programmer of Advance Excel and design useful Excel base Electrical Programs as per IS, NEC, IEC,IEEE codes. Dear Sir, .375" X 5.00" (JX-996) .375" X 2.00" (JX-889) Greetings to you Mr.Jignesh Parmar. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. For Indoor installation with poor ventilation, k6 to be 0.65,0.6 & 0.5. These galvanized bus bars are most popular in electrical earthing. .375" X 4.00" (JX-994) .625" VERY GOOD INFORMATION CAN YOU CALULATE FOR 1250A BUSBAR copper. Source current is either introduced at one end of the bus (top fed) with branch circuit loads distributed through taps and over-current devices along the bus. Storm is proud to be one of the largest US distributors of the red metal. 14 Gauge - .062" Thick Please acknowledge receipt. Which standard reference you have considered ? C as ambient temperature? According to which IEC standard is performed this calculation? Wed love to discuss your bus bar service and machining needs. so what would be a main incommer. What will be the magnitude of current of one 1600 KVA 3 phase Transformer at its LV winding side. Extruded Aluminum 6101-T61 alloy can provide a lighweight, more affordable solution to replace or substitutecopper bus barin electrical conductor applications for enclosed electrical grounding installations. In very rare applications, the iron busbar used. Please tell me what is the formula for determine MCCB maximum working temperature..? $200 line minimum per order. bar width is 10; it is successively: [12-20,10-18,8-16,6-14,5-13,4-12], Double copper bars[40]=1.56-1.58*single copper bar[40] (according to the size of section), Three layers copper bars[40]=2*single copper bar[40], Four layers copper bars 40[]=2.45*single copper bar[40] (not suggested option,replacing with special bus bar is better.). DESIGNERS. Save my name, email, and website in this browser for the next time I comment. 4-Please provide bus bar selection chart for AL and Cu Both. so; Use 1 leaf of 1/2 x 1 size copper busbar and since 1/2 thick busbar are difficult to bend, better use 2 leaf of 1/4 x ! bus bar. .187" Thick Other sizes may be available with lead time. Pl.provide us design calculation for AMF Panel bus bar size Both three phases & one neutral ,we have three DG Set which are 500KVA each and controlled by 800A / 1600A ACB with protection, IT IS A VERY USEFUL CALCULATION FOR SELECTING THE BUSBAR. Width of Circuit Breaker terminal = 1 inch to EN 60228, CLASS 6 Tin Plated Copper Conductors Acc. WE HAVE SELECT, Please let me know about I/d(50/63) for F1. Please help me for find 1250A copper bus bar size as per temperature rise with Calculation and formula. Many of the electrical engineers confuse about AC bus bar and DC busbar. is it required to go with 2 runs of busbar. However the reaction between copper and aluminium is such that ten years later it all had to be removed and replaced with solid or laminated copper bars. if we know the size of bus bar or spade? sir kindly show me the calculator of selection switch gear and cable size, Dear Jignesh Could you help me to forward the cu bus bar-bar dimensions(wdth x thknss ) for 1000Amp, 500Amp, 300Amp, & 200Amp Bar . Cannot be heat treated and is not recommended for machining. Copper (CU) .15 - .4 % Storm Power Components. 5-How to select no, of Bus bar per phase. The manufacturer has consider the Busbar size is 10012 mm=1200 sq.mm.copper Bus single. We buy and stock hundreds of sizes of copper bar, copper sheets, and aluminum bar to obtain direct from the mill pricing. Best regards. We have updated the latest edition of our catalogue for 2021. Hence the total current carrying capacity of the copper 1200 Amps of 100mm width and 10 mm thickness. really useful info !!! Change). (LogOut/ If you need a part developed to test its performance, we can create a prototype to your precise specifications allowing you to review its effectiveness with your application. The aluminium bus bar widely used and most popular than copper busbar. Copper Alloy C11000rod has a minimum of 99.9% pure copper. Thank you, Can you refer to relevant IS/IEEE/IEC Standard that you followed for these calculations? Final Temperature of Bus bar during Fault(1)=185C. Area of Busbar is mentioned as Width x Thickness x Length.x No.of busbars. 2. Seamless electrically-conductive copper bus tube, a.k.a. to EN 60228, 7 Strand Concentric Tin Plated Copper Conductors, 19 Strand Concentric Tin Plated Copper Conductors, 37 Strand Concentric Tin Plated Copper Conductors, Extra Flexible Tin Plated Copper Rope Lay Conductors, General Nickel Plated Copper Conductors Acc. What is Crawling of Induction Motor & How to Avoid it? Thanks for detail and calculation,good for RMU and CSU design. different types of bus bars are used for different types of applications.if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'electrical4u_net-medrectangle-3','ezslot_5',124,'0','0'])};if(typeof __ez_fad_position != 'undefined'){__ez_fad_position('div-gpt-ad-electrical4u_net-medrectangle-3-0')}; For example, copper and aluminium used in the electrical panel as conductor, iron bus bar used in traction conductor such as lifts, trolleys etc. .375" 1.50", .25" x .25" Bus bar sizes - thicknesses & widths are listed in the table below. Bus Bars are made up of copper or aluminium or iron or silver or galvanized iron etc. .500" X 2.00" (JX-989) STANDARD PIPE SIZES, HARD DRAWN, SCHEDULE 40. But performance/cost is high in aluminium bus bars. For 1000 Amps you can use 1 leaf of 10mm x 1000mm bus bar. Please select your nearest branch (required) The copper has high conductivity and low resistivity. I need to know the temperature of a copper busbar and steel pad at 12.5KA ISC fault level for 2 sec. Current Rating of Bus bar after De rating Factor (I1)= 0.9*630 = 567 or 697 ??? Dear Ms. Pavitra, Just now I have sent the book by mail to your above mail ID. Deg cel with the given formula. to EN 60228, CLASS 6 Nickel PLated Copper Conductors Acc. Electrical & Electronic Engineer,KUET can i use half grade copper bus bar for 1000amps cos formula. Area is to be computed as = 500 A / 1000A/ square inch= 0.5 square inch The content inelectricalnotes.wordpress.comis for personal, non-commercial use only. All calculation above mentioned are nice i got result same as you, but in TEMPERATURE RISE CALCULATION how would you get 30 deg.C as maximum temperature rise. He is Presently associate with one of the leading business group as a Deputy Manager at Ahmedabad,India. Single copper bus bar current capacity= width(mm)*thickness coefficient, Double copper bus bar current capacity= width(mm)*thickness coefficient*1.5 (empirical coefficient). .375" X 3.00" (JX-997) There is no difference or special manufacturing is required to carry alternating current and direct current. He is Technical Blogger and Familiar with English, Hindi, Gujarati, French languages. .394 x 1.97 - 10 x 50 mm (JX-890) Please clarify Learn how your comment data is processed. in solid copper bar very little of the current actually flows down the centre of the bar and the majority of the current flows along the edge. He is FIE ,MIE and CEng from Institution of Engineers,India. .196 x 1.97 - 5 x 50 mm (JX-896) 2-How to compare Al and Cu Bus bar to select for same rating. Designed and Developed by Turnkey Digital. Can you please tell me why we choose 2nos of 75X10 bus bar for each phase when one is enough for the Isc rating. My T1= 40 Deg cel, I1= 4055 Amp, I2= 4000 Amp , T2= ? Consider the same bus bar size of 100 sqmm x 10 mm thickness, hence the total current carrying capacity would be 600Amps for the 10010 mm busbar. And 1 question Ihave small power plant with 1 set 500 kva cat,365 kva cat, n 100 kva cummin eng I want to built synchronize both of thre genset for safe operation and load sharing.best regard Bambaang Yuwono. Bus bar is used in variousswitches, circuit breakers, and motor controls. (LogOut/ The total current carrying capacity of the busbar is 1.2 * area => 1000 sqmm* 1.2 =1200 Amps. IEC 60287) from which you derived the rule 1.2A per sq mm please? Regards, Kamal Trivedi ([emailprotected]. thnks for the information sir,, can you post a quick thumb rule to check the size of busbar with respect to CB used (ex.800A MCCB/ACB etc), I request you to please mention reference IS / IEC standard for better understanding, As per temperature rise calculation : Source Reference : IEC 62271 1. the above mentioned explanation is based on which Forum or what? They are mainly used in the high current junction like breaker joint, male & female contact operation, frequency converters etc. Our copper is manufactured to the American Society for Testing and Materials (ASTM) B187, B152 and B283-09 specification standards for copper and copper alloy. Sydney - NSWMelbourne - VICAdelaide - SAPerth - WA. to customer requirements. .125" X 4.00" (JX-554) Available in Schedule 40 (regular) and Schedule 80 (thick) wall thickness, Storm's copper bus tube is made of alloy 10200 (OFHC), oxygen-free copper with reduced electrical resistance and enhanced ability to carry current. hi, In future pls forward the useful eletrical calculation to my mail id. it will be gr8 if you provide backup sheet (All table source))for above calculations. Copy2018-2021 | Zhejiang RHI ELectric Co.,Ltd . Why is an 80mm2 multistrand copper cable capable of carrying 300+amps and yet the same cross section of copper bus bar by your calculator only carries just under 100amps. Chromium (CR) 0.04 - 0.35 % How these de rating factors are already been calculated? Sydney - NSWMelbourne - VICAdelaide - SAPerth - WA, Please select your nearest branch EMS offers a variety of bus bar sizes and specifications (see chart below). EMS offers a variety of standard lengths & thicknesses. EMS manufactures products from bars, flat sheets, plates and round bar stock. which is not specified. to EN 60228, Tin Plated Copper Conductors Acc. Thank you . He has published numbers of Technical Articles in Electrical Mirror, Electrical India, Lighting India,Smart Energy, Industrial Electrix(Australian Power Publications) Magazines.