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Spec-Setter™ double-throw safety switches

For applications with two power sources

Type TC and TDT double-throw safety switches are available in 30 to 1200 A, 600 V AC, 250 V DC maximum, non-fusible and fusible, in NEMA Type 1 indoor, Type 3R outdoor and Type 4/4X stainless steel enclosures. They are UL and cUL listed (UL 98 and CSA C22.2 No. 4-04), NEMA KS1 compliant, and UL listed as service entrance equipment when installed as per NEC guidelines.

  • Take the guesswork out of safety
    Bright-red, lockable, three-position handle is easy to see and grip, and high-visibility ON/OFF/ON label reduces potential for operator error. Handle accepts three padlocks in OFF position.
  • Long, reliable service life
    Quick-make-and-break mechanisms offer reliable durability. Galvanized steel and stainless steel enclosures resist corrosion.
  • Options to suit your applications and save cost
    Available in 30 to 1200 A indoor and outdoor, 30 to 800 A stainless steel non-fused, and 30 to 400 A stainless steel fusible. 600 to 1200 A fusible models offer “stacked” design, using one common set of fuses for either source of incoming power — saving you money on fuses and reducing enclosure size for easier handling.