Busbar

Used in power distribution busbars are made out of aluminium, brass or copper and they are able to conduct and ground electricity to transmit power from the source of electric power to the load.
Busbars can come in a various shapes and size, which affect the ampacity of the product. Ampacity refers to the maximum amount of electric current a conductor can carry before showing signs of deterioration.

Typical places bus bars are found in are:
  • Factories
  • Data Centres
  • Retail Facilities
  • Laboratories
  • Hospitals
  • Universities

Busbars range greatly in size and the size depends on the use. Common commercial and industrial busbars sizes range from 40 Amps to 1200 Amps.

Types
The most common types of busbars in the industry today are:

  • Rigid busbars: These are used in low, medium or high-voltage applications. Made with aluminium or copper bars and they make use of porcelain to insulate them.
  • Strain busbars: These are used in high-voltage applications and are strung between the metal structures of a substation. They are held in place by suspension type insulators.
  • Insulated phase busbars: These are used at medium voltage and similar to the rigid busbars, they are rigid bars that are supported by insulators.

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Description Price Rated Operational Voltage Material Range Number Of Modules Electrical Phase Colour Current Rating For Use With Pitch Series Accessory Type
New
RS Stock No. 187-5174
Mfr. Part No.5ST3635
BrandSiemens
$7.61
Each
units
- Copper Sentron - 1 - 80 A Miniature Circuit Breakers - 5ST -
New
RS Stock No. 187-5204
Mfr. Part No.5ST3741
BrandSiemens
$16.31
Each
units
400V ac SF-Cu SENTRON - 3 - 63 A Miniature Circuit Breakers - 5ST -
RS Stock No. 246-5207
Mfr. Part No.3RV1935-1C
BrandSiemens
$47.27
Each
units
690V - Sirius Classic 4 3 - 108 A - 50mm 3RV1 -
RS Stock No. 145-207
Mfr. Part No.16181
$18.15
Each
units
250V ac - - - - - 63 A - 9mm Multi 9 -
RS Stock No. 823-4699
Mfr. Part No.4 049 28
BrandLegrand
$14.64
Each
units
- - - 18 1 - - - - - -
RS Stock No. 789-2938
Mfr. Part No.11SMX9034
BrandLovato
$25.26
Each
units
690V Copper, PE - 4 3 - - - 45mm - -
New
RS Stock No. 187-5166
Mfr. Part No.5ST3612
BrandSiemens
$11.72
Each
units
- Copper Sentron - 2 - 63 A Miniature Circuit Breakers - 5ST -
New
RS Stock No. 187-5206
Mfr. Part No.5ST3744
BrandSiemens
$90.39
Each
units
400V ac SF-Cu SENTRON - 1 - 63 A Miniature Circuit Breakers 1.5mm 5ST -
New
RS Stock No. 187-5173
Mfr. Part No.5ST3634
BrandSiemens
$4.76
Each
units
- Copper Sentron - 1 - 80 A Miniature Circuit Breakers - 5ST -
RS Stock No. 786-5680
Mfr. Part No.4 050 00
BrandLegrand
$29.88
Each
units
- - - 26 1 - - - 125mm - -
New
RS Stock No. 187-5209
Mfr. Part No.5ST3746-2
BrandSiemens
$135.40
Each
units
- Copper Sentron - 4 - 63 A Miniature Circuit Breakers - 5ST -
New
RS Stock No. 187-5180
Mfr. Part No.5ST3653
BrandSiemens
$32.49
Each
units
- Copper Sentron - 1 - 80 A Miniature Circuit Breakers - 5ST -
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For use with sizes S00, S0 and S2.
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The comb busbars make it easier to install ...
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