Tag:switch=circuit_breaker

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Public-images-osm logo.svg switch = circuit_breaker
Power 400kv dual coupling circuitbreaker.jpg
Description
A Circuit-breaker is the only kind of power switch which offers enough protection (safety) against abnormal power currents and can be operated when bound circuit is loaded.
Group: Power
Used on these elements
may be used on nodesshould not be used on waysshould not be used on areasshould not be used on relations
Useful combination
Status: ApprovedPage for proposal

A Circuit-breaker (441-14-20) is a kind of power=switch. This device is capable to break both normal or abnormal power currents but can't offer an enough protection to high voltages when open. A circuit breaker can often be found in power=substations and is often associated with a disconnector or earthing switch which brings this protection in open state.

How to map

Mapping guidelines don't divert from power=switch. Go there for more information.

Examples

Photo Aerial view Tagging Note
400kV coupling in French Champagnier substation

Node 3822480206
Both bay and busbar dual circuit breaker on a same aerial view

Have a look : Way 69813552
Both coupling and bay circuit breakers have the same tagging. Even if two chambers can be seen on aerial picture, please use only one Node as shown with the following tags:

power=switch
switch=circuit_breaker
operator=RTE
location=outdoor
cables=1
gas_insulated=yes

400kV busbar coupling dual circuit-breaker. Such devices actually use SF6 as insulation gas.
400kV bays in French Champagnier substation

Node 3822480160
400kV dual circuit-breaker protecting a power bay (where power lines connect to substations). Such devices actually use SF6 as insulation gas.
63kV dual configuration with disconnector switches plus circuit-breaker in a distribution substation
--
  • Node 4220544875 Single Node for 3 disconnector switches (on the left) tagging :

power=switch
switch=disconnector
operator=ESSeyssel
location=outdoor
cables=3

  • Node 4523728368 Single Node for 3 circuit breaker switches (on the right) tagging :

power=switch
switch=circuit_breaker
operator=RTE
location=outdoor
cables=3

A dual switches association in distribution substation. The circuit-breaker is on the transmission side and assume the power grid protection. It has to be operated prior to the disconnector since the power line is surely loaded. The disconnector switches are operated by the distribution operator in maintenance operations when the substation needs to be forced offline.

See also