Serving the electrical utility
industry since 1920

Side-Break Switch

Type: SMH (airbreak) and SL (loadbreak)
Insulator Profile: Parallel
Orientation: Horizontal Upright
Voltage: 15 – 161 KV

Current: 600, 1200, and 2000 Ampere

Description
A two insulator, group operated, side-opening, air-break disconnect switch, with one rotating insulator per phase for operation.

Application
Frequently used for line disconnecting, isolating and by-passing breakers and transformers, bus sectionalizing, and isolating arrestors, metering equipment, and other apparatus. Can be either pole or substation structure mounted. Available in both airbreak and loadbreak configurations.

Features & Benefits

  • Simple and mechanically reliable
  • Minimal operating effort
  • Lowest cost vs. other types of group operated switches
  • Excellent ice breaking characteristics
  • Readily adaptable to single and multi-bottle vacuum interrupters

Additional Information

Ratings/Catalog Numbers

Dimensional Data (15 – 69 kV)

Dimensional Data (115 – 161 kV)

Construction Details

Product Specifications (*PDF 47.6 KB)

Order Specification Checklist (*PDF 1700 KB)

Catalog Cut-Sheet (*PDF 199 KB)

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