35kV Lbor 4 Position Pad Mounted Loadbreak Switch

35kV Lbor 4 Position Pad Mounted Loadbreak Switch
Details:
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.
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Description
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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.

1

 

35KV 4

 

2

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

3
4

 

Frequently Asked Questions

 

 

Q: What Is A 4-Position LBOR Switch Used For?

A: It is used for load switching, isolation, grounding, and testing functions in medium-voltage transformer systems.

Q: What is exact 4-Position refer to?

A: 1. ON Position – connects and energizes the circuit.
2. OFF Position – disconnects the circuit safely.
3. Grounding Position – grounds the circuit for maintenance safety.
4. Isolation / Test Position – allows equipment inspection and testing without energizing the system.

 

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