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LBI™

Innovative Vacuum Interrupter Design Ensures Maximum Reliability

The Southern States LBI™ (Load Break Interrupter) will convert existing group operated, vertical break and side break disconnect switches to a Load Break disconnect capable of interrupting load, loop splitting, and line dropping currents within a single gap vacuum interrupter. Concerns about splitting the interruption across multiple devices are eliminated by removing the need for linkage components. Contact factory for compatibility with other manufacturers’ switch offerings.

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83304400
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  • Single gap interrupter through 72.5kV
  • PET interrupter housing minimizes device’s weight and does not break down or track under the UV rays of the sun
  • Can be mounted on substation and transmission vertical break and side break switches as well as on transmission multi-way switches
  • Limited linkage components increases reliability
  • Low operating effort
  • Interruption takes place within a sealed vacuum chamber, meaning no green-house gasses are used.
Maximum Voltage Rating 38 kV 48.3 kV 72.5 Kv
Load Breaking Capability 2000 A
Loop Splitting Capability 2000 A
Line Dropping Capability 70 A

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Transmission Bulletin