Epoxy Coating Powder is your best choice for busbar insulation

Selecting the Right Busbar Insulation: Why Epoxy Coating Powder might be your Best Choice

When it comes to insu­lat­ing bus­bars, there are a num­ber of options avail­able, includ­ing plas­tic-sheath­ing, mylar, and epoxy insu­la­tion. While each option has its own advan­tages, epoxy pow­der-coat­ing is the best choice for ensur­ing the safe­ty, longevi­ty, and cost-effec­tive­ness of your elec­tri­cal instal­la­tion. In this arti­cle, we’ll explore the ben­e­fits of choos­ing epoxy insu­la­tion for your bus­bars and why it’s the ide­al choice for your next project.

Cost Savings

One of the biggest advan­tages of epoxy insu­la­tion is the cost sav­ings it offers. Epoxy is 67% cheap­er per lin­ear meter com­pared to plas­tic-sheath­ing and mylar insu­la­tion. It also has a much high­er max­i­mum oper­at­ing tem­per­a­ture of 180°C com­pared to plas­tic at 93°C. This makes epoxy a great choice when con­sid­er­ing life-cycle cost­ing for your elec­tri­cal installation.

Quality and Durability

Anoth­er key ben­e­fit of epoxy insu­la­tion is its qual­i­ty and dura­bil­i­ty. Epoxy has great dielec­tric strength and per­fect uni­form adhe­sion, mak­ing it great for cov­er­ing com­plex and odd-shaped bus­bars. Its chem­i­cal­ly bond­ed con­for­mal coat­ing elim­i­nates voids and pre­vents mois­ture pen­e­tra­tion, mak­ing it scratch-resis­tant and able to han­dle ther­mal expan­sion and flex stress­es. This ensures your instal­la­tion will last for many years, with min­i­mal main­te­nance required.

Future-proofing Your Installation

With trends show­ing a rise in the aver­age oper­at­ing tem­per­a­ture of pow­er dis­tri­b­u­tion instal­la­tions, it’s essen­tial to choose an insu­la­tion option that can han­dle the increased heat. Epoxy’s high­er max­i­mum oper­at­ing tem­per­a­ture ensures your instal­la­tion is ready for the future, pro­vid­ing you peace of mind and pro­tec­tion against poten­tial damage.

Thermally Conductive Epoxy — The Best Choice

epoxy coated busbar showing temperature vs resistance
When bus­bars lose their heat faster their cur­rent-car­ry­ing capac­i­ty increas­es. This means less
mate­r­i­al is need­ed to have the same cur­rent-car­ry­ing capacity.

At CAPLINQ, our engi­neers and prod­uct devel­op­ment team have tak­en the best qual­i­ties of epoxy and made it even bet­ter. We’ve devel­oped a new ther­mal­ly con­duc­tive epoxy coat­ing that has over 300% the stan­dard ther­mal con­duc­tiv­i­ty (1.0 W/mK) com­pared to stan­dard epoxy (0.3 W/mK). This increased ther­mal con­duc­tiv­i­ty allows for faster heat loss, which can save on mate­r­i­al weight and cost, and increase effi­cien­cy and over­all longevi­ty of your installation.

Causes of increased resistance in busbar assemblies
Resis­tance is deter­mined by tem­per­a­ture, length, cross-sec­tion­al area, and mate­r­i­al.
Resis­tance increas­es run­ning and main­te­nance costs.

Faster heat loss also means you can get the same cur­rent-car­ry­ing capac­i­ty for less mate­r­i­al. Bus­bars can be thin­ner, longer, lighter, and even made of a less con­duc­tive mate­r­i­al when work­ing at low­er tem­per­a­tures. Sav­ing ini­tial instal­la­tion costs and long-term main­te­nance costs.

In Conclusion:

When it comes to insu­lat­ing bus­bars, epoxy pow­der coat­ing is the best choice for ensur­ing the safe­ty, longevi­ty, and cost-effec­tive­ness of your elec­tri­cal instal­la­tion. With its cost sav­ings, qual­i­ty and dura­bil­i­ty, future-proof­ing capa­bil­i­ties, and ther­mal­ly con­duc­tive options, epoxy insu­la­tion is the ide­al choice for your next project. At CAPLINQ, we’re com­mit­ted to pro­vid­ing the best solu­tion for your bus­bar insu­la­tion needs, and we’re con­fi­dent that our epoxy coat­ing is the only real design deci­sion you can make to min­i­mize life-cycle costs and ensure your instal­la­tion is safe, durable, and cost-effective.

Please be sure to explore our whole range of epoxy coat­ing pow­ders includ­ing our halo­gen-free LINQSOL BCP-1504 which is devel­oped specif­i­cal­ly for bus­bar epoxy coat­ing appli­ca­tions includ­ing both low volt­age (<600V) bus­bars as well as medi­um volt­age (up to 38kV) bus­bar appli­ca­tions.

We have also intro­duced pow­ders such as LINQSOL BCP1507 and LINQSOL BCP1509 have been proven to coat thick under var­i­ous temperatures. 

Do you have a bus­bar that needs coat­ing or do you need to select an elec­tri­cal­ly insu­lat­ing pow­der for your bus­bar appli­ca­tion? Con­tact us with your process and appli­ca­tion require­ments and we’ll make sure to find some­thing that fits your needs.

About Chris Perabo

Chris is an energetic and enthusiastic engineer and entrepreneur. He is always interested in taking highly technical subjects and distilling these to their essence so that even the layman can understand. He loves to get into the technical details of an issue and then understand how it can be useful for specific customers and applications. Chris is currently the Director of Business Development at CAPLINQ.

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