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. 755-2977
Mfr. Part No.3RV2925-5AB
BrandSiemens
TWD349.00
Each
units
- - Sirius Innovation - - - - - - -
RS Stock No. 246-5162
Mfr. Part No.3RV1915-1DB
BrandSiemens
TWD510.00
Each
units
400V ac - Sirius Classic 5 3 - - - 45mm 3RV1
RS Stock No. 608-8242
Mfr. Part No.GV2G454
TWD1,161.00
Each
units
- - - - - - - GV2 Series - GV2G
RS Stock No. 608-8258
Mfr. Part No.GV2G554
TWD894.00
Each
units
- - - - - - - GV2 Series - GV2G
RS Stock No. 246-5263
Mfr. Part No.3RV1935-5A
BrandSiemens
TWD529.00
Each
units
- - Sirius Classic - 3 - - - 18mm 3RV1
RS Stock No. 124-3140
Mfr. Part No.5ST3704
BrandSiemens
TWD691.00
Each
units
400V ac Copper Sentron - 2 - 80 A 2P Miniature Circuit Breakers 1mm 5ST
RS Stock No. 124-3143
Mfr. Part No.5ST3710
BrandSiemens
TWD2,392.00
Each
units
400V ac Copper Sentron - 3 - 80 A 3P Miniature Circuit Breakers 1mm 5ST
RS Stock No. 187-5217
Mfr. Part No.5ST3764-1
BrandSiemens
TWD719.00
Each
units
- Copper Sentron - 1 - 63 A Miniature Circuit Breakers - 5ST
RS Stock No. 711-6534
Mfr. Part No.PS1-5-2-65
BrandABB
TWD680.00
Each
units
- - - 5 3 - 65 A - 17.5mm PS1
RS Stock No. 144-311
Mfr. Part No.EVG-16/2PHAS/6MODUL + BS-FAZ + FAZ-XK25
BrandEaton
TWD445.00
Each
units
415V - - - - - - - - EVG
RS Stock No. 187-5187
Mfr. Part No.5ST3675-0
BrandSiemens
TWD956.00
Each
units
- Copper SENTRON 12 3 - 63 A Miniature Circuit Breakers - 5ST
RS Stock No. 711-6492
Mfr. Part No.PS1-2-0-65
BrandABB
TWD412.00
Each
units
- - - 2 3 - 65 A - 17.5mm PS1
RS Stock No. 711-6537
Mfr. Part No.PS1-3-0-100
BrandABB
TWD634.00
Each
units
- - - 3 3 - 100 A - 17.5mm PS1
RS Stock No. 122-1075
Mfr. Part No.BBS45-3
BrandWEG
TWD367.00
Each
units
690V ac - - 3 3 - 63 A Motor Protective Circuit Breakers MPW18(i) and MPW40(t and i) 45mm BBS45
RS Stock No. 187-5218
Mfr. Part No.5ST3765-1
BrandSiemens
TWD719.00
Each
units
- Copper Sentron - 1 - 63 A Miniature Circuit Breakers - 5ST
RS Stock No. 400-2000
Mfr. Part No.GV2G445
TWD1,266.00
Each
units
- - - - - - - GV2 Series - GV2G
RS Stock No. 187-5188
Mfr. Part No.5ST3676-0
BrandSiemens
TWD722.00
Each
units
- Copper Sentron - 1 - 63 A Miniature Circuit Breakers - 5ST
RS Stock No. 711-6496
Mfr. Part No.PS1-3-0-65
BrandABB
TWD487.00
Each
units
- - - 3 3 - 65 A - 17.5mm PS1
RS Stock No. 715-8923
Mfr. Part No.GHQ6301901R0001
BrandABB
TWD54.00
Each
units
- - - - - - - KNX Domestic Equipment 17.5mm -
RS Stock No. 608-8220
Mfr. Part No.GV2G345
TWD1,117.00
Each
units
- - - - - - - GV2 Series - GV2G