Southern States LBI™ (Load Break Interrupter)

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LOAD BREAK INTERRUPTERS

A load break interrupter, also known as a load break disconnect switch is a type of electrical switch that is specifically designed to provide a safe and reliable method for interrupting or disconnecting a load from an electrical circuit. The primary function of a load break interrupter is to open and close electrical circuits under normal load conditions, allowing safe isolation of a particular section of the electrical network, without affecting the overall operation of the entire system.

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.

KEY FEATURES

  • Single gap interrupter through 72.5kV

  • PET interrupter housing minimizes the 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 increase reliability

  • Low operating effort

  • Interruption takes place within a sealed vacuum chamber, meaning no greenhouse gases are used.

RATINGS

  • Available in maximum voltage ratings of 38kV, 48.3kV, and 72.5kV

  • Load-breaking capability of 2000 A

  • Loop splitting capability of 2000 A

  • Line dropping capability of 70 A

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