Busbars

Used in power distribution busbar relays 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. They usually have a rectangular cross-section, however, bus – bar relays can come in another shape as well such as round tubes, solid round bars, or shape tubes 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.

Where would you expect to use a busbar relay?

• Factories
• Data Centres
• Retail Facilities
• Laboratories
• Hospitals
• Universities

Busbar relay ranges greatly in size and the size depends on the use. Common commercial and industrial busbar relay sizes range from 40 Amps to 1200 Amps. They carry a large amount of electricity so it is important to consider a support of the busbar with insulation. Why is that crucial? It can simply cause an accident while touching the busbar. For protection against this place a busbar at an elevated height so it would not be easily accessible.


What types of busbar relays are there?

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 rods 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 the medium voltage and similar to the rigid busbars, they are rigid bars that are supported by insulators.
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Part Details Brand Accessory Type For Use With Range Series
Schneider Electric RSLZ Distribution Unit for use with RSLZ Socket Schneider Electric Bus Jumper RSLZ Socket Zelio Relay RSLZ
TE Connectivity Busbar TE Connectivity Bridge Bar - - -
TE Connectivity Busbar for use with RT Series TE Connectivity Jumper Link RT Series - -
Finder 93 Series Busbar for use with 38 Series Finder Jumper Link 38 Series - 93 Series
Finder 94 Series Busbar for use with 94.02 - 94.03 - 94.04 - 96.02 Sockets. 58 and 59 Series Finder Jumper Link 94.02 - 94.03 - 94.04 - 96.02 Sockets. 58 and 59 Series - 94 Series
Phoenix Contact FBS, FBS 10-6 Busbar Phoenix Contact Plug In Bridge - CLIPLINE FBS, FBS 10-6
Omron Busbar for use with G2R-SD, G2R-SN, G2R-SND, G2R-SNDI, G2R-SNI Omron Bridge Bar G2R-SD, G2R-SN, G2R-SND, G2R-SNDI, G2R-SNI - -
Finder 95 Series Busbar for use with 95.03 - 95.05 - 97.01 - 97.02 Sockets and 48 and 4C Series Relay Interface Modules Finder Jumper Link 95.03 - 95.05 - 97.01 - 97.02 Sockets and 48 and 4C Series Relay Interface Modules - 95 Series
Finder 93 Series Busbar for use with 38 Series Finder Jumper Link 38 Series - 93 Series
Phoenix Contact Busbar Phoenix Contact Plug In Bridge - FBST -
Bridge bar for IR-C SPCO plug-in relay Releco Bridge Bar S10 Socket - -
Bourns Busbar for use with Model 1210 Series SPD, Model 1250 Series SPD, Three Single Pole Device Bourns Bridge Bar Model 1210 Series SPD, Model 1250 Series SPD, Three Single Pole Device - -
Plug in jumpers for terminal block relay Wieland Jumper Bar - - -
Cross bar, 10 poles, Red color Omron - - - -
Cross bar, 4 poles, Blue color Omron - - - -
Cross bar, 20 poles, Blue color Omron - - - -
Cross bar, 2 poles, Yellow color Omron - - - -
Finder 93 Series Solid State Relay Finder - - - 93 Series
Cross bar, 20 poles, Red color Omron - - - -
Cross bar, 3 poles, Yellow color Omron - - - -
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