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
RS Stock No. 246-5128
Mfr. Part No.3RV1915-1AB
BrandSiemens
MYR49.49
Each
units
400V ac - Sirius Classic 2 3 - - - 45mm 3RV1
RS Stock No. 124-3145
Mfr. Part No.5ST3700
BrandSiemens
MYR41.72
Each
units
400V ac Copper Sentron - 1 - 80 A 1P Miniature Circuit Breakers 1mm 5ST
RS Stock No. 124-3146
Mfr. Part No.5ST3701
BrandSiemens
MYR133.66
Each
units
400V ac Copper Sentron - 1 - 80 A 1P Miniature Circuit Breakers 1mm 5ST
RS Stock No. 246-5162
Mfr. Part No.3RV1915-1DB
BrandSiemens
MYR76.36
Each
units
400V ac - Sirius Classic 5 3 - - - 45mm 3RV1
RS Stock No. 755-2977
Mfr. Part No.3RV2925-5AB
BrandSiemens
MYR52.23
Each
units
- - Sirius Innovation - - - - - - -
RS Stock No. 508-5725
Mfr. Part No.3RV1915-3CB
BrandSiemens
MYR68.89
Each
units
- - Sirius Classic 4 3 - - - 63mm 3RV1
RS Stock No. 866-5513
Mfr. Part No.3RV1915-1BB
BrandSiemens
MYR61.43
Each
units
690V - Sirius Classic 3 3 - - - 45mm -
RS Stock No. 755-2876
Mfr. Part No.3RV1935-1A
BrandSiemens
MYR95.57
Each
units
- - Sirius Classic - - - - - - 3RV1
RS Stock No. 124-3142
Mfr. Part No.5ST3708
BrandSiemens
MYR153.75
Each
units
400V ac Copper Sentron - 3 - 80 A 3P Miniature Circuit Breakers 1mm 5ST
RS Stock No. 187-5196
Mfr. Part No.5ST3734
BrandSiemens
MYR51.23
Each
units
- Copper Sentron - 2 - 63 A Miniature Circuit Breakers - 5ST
RS Stock No. 124-3127
Mfr. Part No.5ST3716
BrandSiemens
MYR833.59
Each
units
400V ac Copper Sentron - 4 - 80 A 4P Miniature Circuit Breakers 16mm 5ST
RS Stock No. 136-9690
Mfr. Part No.3RV2935-5A
BrandSiemens
MYR94.70
Each
units
- - Sirius Innovation 1 3 - - 3RA6 Compact Starters - 3RV
RS Stock No. 755-2854
Mfr. Part No.3RV1915-2DB
BrandSiemens
MYR74.14
Each
units
- - Sirius Classic - - - - Circuit Breaker - -
RS Stock No. 187-5205
Mfr. Part No.5ST3743
BrandSiemens
MYR87.11
Each
units
400V ac SF-Cu SENTRON - 1 - 63 A Miniature Circuit Breakers 1.5mm 5ST
RS Stock No. 187-5164
Mfr. Part No.5ST3610
BrandSiemens
MYR20.68
Each
units
- Copper Sentron - 2 - 63 A Miniature Circuit Breakers - 5ST
RS Stock No. 187-5177
Mfr. Part No.5ST3640
BrandSiemens
MYR42.42
Each
units
- Copper Sentron - 2 - 80 A Miniature Circuit Breakers - 5ST
RS Stock No. 187-5171
Mfr. Part No.5ST3621
BrandSiemens
MYR48.89
Each
units
- Copper Sentron - 4 - 63 A Miniature Circuit Breakers - 5ST
RS Stock No. 246-5263
Mfr. Part No.3RV1935-5A
BrandSiemens
MYR79.00
Each
units
- - Sirius Classic - 3 - - - 18mm 3RV1
RS Stock No. 187-5162
Mfr. Part No.5ST3604
BrandSiemens
MYR27.15
Each
units
- Copper Sentron - 1 - 63 A Miniature Circuit Breakers - 5ST
RS Stock No. 187-5180
Mfr. Part No.5ST3653
BrandSiemens
MYR122.40
Each
units
- Copper Sentron - 1 - 80 A Miniature Circuit Breakers - 5ST