Double - Throw Switches

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Double Throw Safety Switches are supplied for switching one load between two power sources. These switches are UL Listed and suitable for use in accordance with Article 702 of the National Electrical Code, ANSI/NFPA 70.
30–100 A Types DT, DTU (Series F)

  • Fusible (DT) and non-fusible (DTU) switches available
  • Standards: UL 98, NEMA KS1, CSA, and NOM
  • Modular design: switch handle, lock-plate, switch mechanism, line and load bases are available for field replacement
  • UL Listed SCCR up to 200,000 A (using Class R, J, or T fuses)
  • Load make/break rated
  • Meet NEMA hp ratings
  • Dual cover interlock
  • May be padlocked “ON” or “OFF”
  • Lock-off accepts up to three padlocks
  • Side-opening door
  • Quick-make, quick-break mechanism
  • Meets NEMA requirements as heavy duty switch
  • Electrical interlock kits available for field installation
  • Neutral assembly kits available for field installation (2- and 3-pole switches)
  • UL Listed, suitable for use as service equipment
  • Supplied as standard for switching one load between two power sources, and may be field converted to switch one power source between two loads

30 A (Series T), 200–600 A Types 82,000 and 200 A DTU (Series E, A)

  • Non-fusible
  • The 82,000 and DTU (Series E, A) switches are load make/break rated
  • All 82,000 and DTU double throw switches are continuous duty rated for their nameplate ampere rating
  • UL Listed, suitable for use as service equipment

Applications

  • Mining and Mineral
  • Commercial Buildings
  • Manufacturing
  • Industrial Buildings
  • Water Wastewater
  • Healthcare Facilities
  • Educational Campuses
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double-throw-switch
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Headquarters Pine Bluffs - 6270 County Road 212 • PO Box 519 - Pine Bluffs, WY 82082