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. 187-5170
Mfr. Part No.5ST3620
BrandSiemens
R 125.14
Each
units
- Copper Sentron - 1 - 63 A Miniature Circuit Breakers - 5ST
RS stock no. 187-5217
Mfr. Part No.5ST3764-1
BrandSiemens
R 288.37
Each
units
- Copper Sentron - 1 - 63 A Miniature Circuit Breakers - 5ST
RS stock no. 187-5191
Mfr. Part No.5ST3713
BrandSiemens
R 282.45
Each
units
400V ac SF-Cu SENTRON - 1 - 80 A Miniature Circuit Breakers 1.5mm 5ST
RS stock no. 776-2783
Mfr. Part No.A9XPH524
R 644.10
Each
units
415V - Acti 9 24 4 - - - 18mm iC60
RS stock no. 776-2768
Mfr. Part No.A9N21036
R 1,993.58
Each
units
230 → 400V - Acti 9 56 3 - - - 9mm iC60
RS stock no. 187-5209
Mfr. Part No.5ST3746-2
BrandSiemens
R 1,221.35
Each
units
- Copper Sentron - 4 - 63 A Miniature Circuit Breakers - 5ST
RS stock no. 246-5162
Mfr. Part No.3RV1915-1DB
BrandSiemens
R 228.97
Each
units
400V ac - Sirius Classic 5 3 - - - 45mm 3RV1
RS stock no. 187-5174
Mfr. Part No.5ST3635
BrandSiemens
R 70.42
Each
units
- Copper Sentron - 1 - 80 A Miniature Circuit Breakers - 5ST
RS stock no. 521-5055
Mfr. Part No.5ST3740
BrandSiemens
R 849.83
Each
units
400V ac Sulphur Fluorine Copper Sentron - 3 - 63 A - 18mm -
RS stock no. 445-0601
Mfr. Part No.1SAM201906R1015
BrandABB
R 243.28
Each
units
690V - - 5 3 - 63 A - - HK1
RS stock no. 187-5199
Mfr. Part No.5ST3735-2
BrandSiemens
R 596.16
Each
units
- Copper Sentron - 2 - 63 A Miniature Circuit Breakers - 5ST
RS stock no. 899-9129
Mfr. Part No.3P18U3/21
BrandAltech
R 661.68
Each
units
480V ac Copper, Polyamide - 21 3 - 80 A MA Series), MMCs (V-EA Series - -
RS stock no. 899-9141
Mfr. Part No.3P25U3/12
BrandAltech
R 732.62
Each
units
480V ac Copper - 12 3 - 100 A MA Series), MMCs (V-EA Series - -
RS stock no. 178-8002
Mfr. Part No.B3.0/3-PKZ0
BrandEaton
R 196.19
Each
units
690V ac - - 1 3 - 63 A 3 PKZ0 45mm B3.0/3
RS stock no. 187-5171
Mfr. Part No.5ST3621
BrandSiemens
R 104.53
Each
units
- Copper Sentron - 4 - 63 A Miniature Circuit Breakers - 5ST
RS stock no. 914-4623
Mfr. Part No.2CDE605200R0021
BrandABB
R 80.32
Each
units
- - - - - Grey - Auxiliary Contact - -
RS stock no. 187-5167
Mfr. Part No.5ST3615-1
BrandSiemens
R 68.45
Each
units
- Copper Sentron - 3 - 63 A Miniature Circuit Breakers - 5ST
RS stock no. 776-2786
Mfr. Part No.A9XPH557
R 1,409.74
Each
units
415V - Acti 9 57 4 - - - 18mm iC60
RS stock no. 187-5210
Mfr. Part No.5ST3746-3
BrandSiemens
R 1,564.11
Each
units
- Copper Sentron - 4 - 63 A Miniature Circuit Breakers - 5ST
RS stock no. 178-8005
Mfr. Part No.BBA0-32
BrandEaton
R 590.14
Each
units
600V ac - - 1 - - 32 A Busbar Trunking System (LV Circuitry) - BBA0