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Eaton Cooper Power series Pad-Mounted Transformer Components

Two-Position Sidewall Loadbreak Switch

Model: LS2 series (Catalog 800-65)

Under-oil on/off loadbreak switch with stored-spring mechanism operating in less than one cycle, independent of operator speed.

Max voltage
15.5–46 kV
Continuous
up to 550 A
BIL
200 kV
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  • Genuine Eaton product with factory documentation
  • Datasheet and drawings available on request
  • Installation support and field service from our own crews

Overview

Under-oil on/off loadbreak switch with stored-spring mechanism operating in less than one cycle, independent of operator speed.

Specifications

Max voltage (ph-ph)15.5 / 27.6 / 38 / 46 kV
Continuous / switching current550 / 400 / 300 / 65 A
Momentary withstand12 kA sym., 19.2 kA asym. (10 cycles)
Fault close12 kA sym. (10 cycles)
Impulse withstand200 kV to ground, 235 kV across open contacts
Mechanical life2,000 operations
ContactsTungsten-copper contacts, silver-plated copper blades
MountingBolt-in, weld-in bracket or ring mount
FluidMineral oil or R-Temp fluid
StandardsIEEE C37.71, IEEE C37.72

Ratings are summarized from manufacturer literature. Confirm the exact catalog number and ratings with us before ordering.

Typical applications

  • Pad-mounted transformers
  • Distribution switchgear

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