Ratings: 15kV-245kV, 600A-5000A
Robust & Reliable
All the mechanical transmission components are accessible from outside the current path. There are no parts hidden inside the conductors.
All parts are fabricated from extruded aluminum or machined from solid billet materials, such as 304 stainless steel and hard drawn copper.

Made from high quality components

  • Maintenance-free dry lubricant bearings
  • Non-magnetic hardware used in the current path
  • Current-carrying parts made of high-conductivity 6063-T6 extruded aluminum, great for coastal environments
  • Field replaceable silver-plated hard-drawn copper contacts
  • High strength hot dip galvanized steel base with field-adjustable mounting provisions, great for retrofit applications
  • Double-sided stainless steel arcing horns for optimal contact protection (when required)
  • Reliable and easy to install, operate and to maintain

Operating Mechanics

  • The hinge is balanced so that gravity pulls the blade backward well before it reaches 90° during opening
  • During closing, the blade swings down until it's aligned with the jaw, then pushes horizontally into the jaw
  • The end position of the main moving contact is always perfectly perpendicular in the jaw
  • The axial entry guarantees full contact pressure each time
  • The final closed position is easy to verify from the ground

  • The jaw assembly is easily protected with optional ice hood (shown above) to prevent ice build-up on the contacts
  • The jaw assembly consists of multiple spring- loaded finger contacts to minimize current density at point of contact
  • Suitable for horizontal, vertical and underhung mounting
  • Can be operated by swing handle, worm gear or motor operator
  • Ideal for applications requiring minimal phase spacing or heavy terminal pad loading
  • Options: silver-inlaid contacts, built-on grounding switch, key interlock system, arcing horns, high speed whips, vacuum or SF6 interrupters, outriggers, strain insulator provisions and more
  • Also available in copper and up to 7000A, consult EMSPEC for details
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