35kV LBOR 4-Position Three Phase Pad Mounted Loadbreak Switch
The 35kV LBOR 4-Position Three Phase Pad Mounted Loadbreak Switch is a robust medium-voltage switching assembly designed for pad-mounted transformer systems and compact distribution substations. It provides reliable load switching, circuit isolation, grounding capability, and system reconfiguration within a single integrated device.



Advantage
To meet the purpose of switching high loads, in the design of the moving contact of the switch, Wenzhou Best engineer team adopted a double contact bridge floating clamping plate type. Specifically, we designed the static contact as a fixed type, making the installation and wiring of the switch more convenient and reliable. The additional auxiliary contact enables a more accurate positioning of the moving and static contacts, significantly enhancing the load-bearing capacity.
Technical Paraemters
|
Item |
Value |
|
Rated voltage |
38kV |
|
Rated current |
630A |
|
Power Frequency |
60Hz |
|
Rated thermostable current |
25kA / 4 seconds |
|
Rated dynamic current |
63kA |
|
Impulse withstand voltage |
|
|
Ground between phase across open contacts |
200kV 215kV |
|
Power frequency withstand (1 min) |
|
|
Ground between phase across open contacts |
95kV 110kV |
|
Contact mechanical life |
≥2000 times |


Frequently Asked Questions
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