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. 124-3142
Mfr. Part No.5ST3708
BrandSiemens
R 870.00
Each
units
400V ac Copper Sentron - 3 - 80 A 3P Miniature Circuit Breakers 1mm 5ST
RS stock no. 711-6537
Mfr. Part No.PS1-3-0-100
BrandABB
R 325.67
Each
units
- - - 3 3 - 100 A - 17.5mm PS1
RS stock no. 783-9243
Mfr. Part No.3RM1910-1AA
BrandSiemens
R 105.00
Each
units
480V 6 - - 3 - - - 45mm -
RS stock no. 776-2720
Mfr. Part No.A9XPH212
R 436.93
Each
units
415V - Acti 9 12 2 - - - 18mm iC60
RS stock no. 539-1648
Mfr. Part No.2CDL230001R1660
BrandABB
R 1,650.99
Each
units
400V ac - - - 3 - - - 16mm -
RS stock no. 608-8214
Mfr. Part No.GV2G254
R 290.27
Each
units
- - - - - - - GV2 Series - GV2G
RS stock no. 400-1990
Mfr. Part No.GV2G245
R 290.27
Each
units
- - - - - - - GV2 Series - GV2G
RS stock no. 776-2742
Mfr. Part No.A9XPH412
R 841.14
Each
units
415V - Acti 9 12 4 - - - 18mm iC60
RS stock no. 246-5140
Mfr. Part No.3RV1915-1CB
BrandSiemens
R 234.50
Each
units
400V ac - Sirius Classic 4 3 - - - 45mm 3RV1
RS stock no. 755-2971
Mfr. Part No.3RV2925-5EB
BrandSiemens
R 174.00
Each
units
- - Sirius Innovation - - - - - - -
RS stock no. 608-8236
Mfr. Part No.GV2G354
R 364.40
Each
units
- - - - - - - GV2 Series - GV2G
RS stock no. 187-5193
Mfr. Part No.5ST3720
BrandSiemens
R 2,833.51
Each
units
400V ac - SENTRON - 4 - - Miniature Circuit Breakers - 5ST
RS stock no. 187-5194
Mfr. Part No.5ST3721
BrandSiemens
R 537.06
Each
units
- Copper Sentron - 3 - 80 A Miniature Circuit Breakers - 5ST
RS stock no. 187-5195
Mfr. Part No.5ST3722
BrandSiemens
R 460.30
Each
units
- Copper Sentron - 4 - 80 A Miniature Circuit Breakers - 5ST
RS stock no. 187-5203
Mfr. Part No.5ST3740-2
BrandSiemens
R 2,031.38
Each
units
- Copper Sentron - 3 - 63 A Miniature Circuit Breakers - 5ST
RS stock no. 122-1081
Mfr. Part No.BBS54-5
BrandWEG
R 225.39
Each
units
690V ac - - 5 3 - 63 A Motor Protective Circuit Breakers MPW18(i) and MPW40(t and i) 54mm BBS54
RS stock no. 187-5204
Mfr. Part No.5ST3741
BrandSiemens
R 239.92
Each
units
400V ac SF-Cu SENTRON - 3 - 63 A Miniature Circuit Breakers - 5ST
RS stock no. 755-2848
Mfr. Part No.3RV1915-2AB
BrandSiemens
R 173.49
Each
units
- - Sirius Classic - - - - Circuit Breaker - -
RS stock no. 122-1074
Mfr. Part No.BBS45-2
BrandWEG
R 147.24
Each
units
690V ac - - 2 3 - 63 A Motor Protective Circuit Breakers MPW18(i) and MPW40(t and i) 45mm BBS45
RS stock no. 196-3718
Mfr. Part No.8US12615FM08
BrandSiemens
R 1,765.20
Each
units
690V - Sentron - - - 56 A - 60mm -