3 Position Test Switch
400A - 1200A, UL/CSA Certified, Complies with NEC 700.3(f) requirements

  • A quick and safe solution to make a portable generator and/or load bank connection to your electrical distribution system required for routine tests.
  • Available from 400 amp - 1200 amp, 3 Pole, 600VAC max.
  • UL 1008 Supplement SB, CSA C22.2 No. 178-12 Certified

Stock Models

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  • Amperage Range: 400A - 1200A
  • Complies with NEC 700.3(f) requirements
  • Voltage: 600VAC max.
  • Locking trap-door for secure portable power cables
  • Terminal connections for engine start contacts
  • Mechanical Lugs for permanent power connections
  • Load bank E16 Series Female Single Pole Inlet Connectors (SPIC)
  • Portable Generator E16 Series Male Single Pole Inlet Connectors (SPIC)
  • Self-closing NEMA 3R covers
  • 3 Remote auxiliary contacts for switch position indication
  • NEMA 1 enclosure with removable door,┬árust resistant Satin Coated steel


The 3PTS is available with the following options:

  • NEMA 3R Single Door Enclosure
  • 3 Phase Voltage Indicator (specify for Portable Gen and/or Permanent Gen)
  • Phase Monitoring 480VAC
  • Phase Monitoring 600VAC
  • Floor Mount Pedestal
  • Load Bank Shunt Trip, 24Vdc
  • 20A, 120VAC GFCI Convenience Receptacle (externally powered)



Engineering Briefs


Schematic Drawings

Physical Drawings

Ordering Information

3PTS Ordering Information