Online Sales

Phone: (888) 204-3821

Dongan combines their 100 year history of specialty transformer manufacturing expertise with a complete catalog of stock transformers. With facilities in Michigan and Ohio, Dongan is a major supplier of dry-type, industrial control, residential and industrial ignition, motor drive isolation, and CE Marked transformers to customers throughout North America. Spec-Tech Electric is a stocking distributor of electrical automation products and parts. We carry Dongan Transformers, motor drive isolation, and ignition transformers to satisfy a full range of industrial factory and process applications. Dongan Online Sales is your best source for Dongan Transformers products.

33 Series Control Transformer

Dongan Online Sales carries Series 33 Control Transformers are designed with a NEMA 1, Indoor type enclosure and are fitted with 8" leads exiting through a 1/2" chase nipple. Dual Mounting provisions are provided for both foot mount or direct knockout mount in poin of use applications. This unique mounting feature conveniently locates all leads within enclosures or handy boxes.

The Dongan 33 Series Transformers are normal reactance, isolation type designs. Typical applications include voltage reduction for solenoids, magnetic switches, control valves, as well as many other HVAC applications.Dongan 33 Series Control Transformer

Dongan Series 33 Control Transformer
UL Listed, File E3210 - CSA Certified, LR 560

  • NEMA 1, Indoor enclosure.
  • Available Primary Voltages include 480, 277, 240, 208, 120, 50/60 Hertz.
  • Special order voltages include 600, 380, 115, 12, and 6 volts.
  • Available with manually resettable circuit breakers.
  • Consult factory for desired voltage combinations and VA sizes not listed.
  • Dual mounting capability.

Dongan 33 Series Control Transformer Catalog Pages