CUSTOM DESIGNED TRANSFORMER
21 KVA, P/N 18770B

Specifications:

  • Transformer, 21 KVA, 3 PH, 60 Hz, P/N 18770B
  • Primary: 480 VAC, 19.6 Amps
  • Secondary 1: 174 VAC / 53 Amps with a 20 VAC / 1 Amp tap
  • Secondary 2: 118 VAC / 48 Amps with a 20 VAC / 1 Amp tap
  • Secondary 3: 118 VAC / 44 Amps with a 20 VAC / 1 Amp tap
  • Copper winding construction
  • Primary/secondary connections are 5/16 – 18 – 1 1/2 silicon bronze
  • Open core and coil, 14″H x 14.5″W x 11″D

The photo of the transformer is shown below:

 

Photo, 18770B

 

The schematic of the heating element transformer is shown below:

 

schematic, 18770B

 

To discuss your specific application, please call our phone number at (714) 624-4740, or send us an email at quote@lcmagnetics.com.