Control Test Transformers


Atria Series Logo

General purpose enclosed control transformers are ideally suited for indoor single-phase, general-purpose industrial, and light-duty loads. Typical applications include HVAC, signal and alarm systems, industrial lighting, supplying motor control circuits, and circuit isolation.

Transformateurs de contrôle
  • System Voltage Ratings: Molded terminal blocks for primary and secondary connections up to 3000 VA or 30 amps. Coil face termination over 3000 VA or 30 amps.
  • Frequency: 50/60 Hz (60 Hz on DCO***UH and DCO***QC)
  • Insulation system: Up to 1500 VA: 80°C rise,130°C temperature class (B) 2000 to 5000 VA: 115°C rise, 180°C temperature class (F)
  • Material: Copper wound coils with high dielectric strength insulation.
  • Construction: All terminal blocks utilize a combination slot/Phillips #6 screw with SEMS washer.
  • Coil face terminations utilize a ¼-20 UNC X 0.50” combination slot/Phillips screw and a spring lock washer.
  • Enclosure: Type 1 enclosure allowing for easy mounting and installation
  • Standards: NEMA
  • Certification: CSA Certified, UL Listed, CE Marked, and RoHS Compliant.
  • Warranty: 15 year
General Purpose Enclosed Control Transformers (Atria)
Delta Atria Installation Instructions
Delta Atria Fuse Holder Kit Instructions
Delta Atria Wiring Instructions


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