Air Cooled Model TR-3
Cathodic Protection Rectifiers

A portable cathodic protection power supply with 60V, 30A DC output and a built-in solid state interrupter.

The Universal Rectifier model TR-3 air cooled cathodic protection test rectifier, is a portable cathodic protection power supply used for a variety of CP field test scenarios. Provided with a 60 volt, 30 amp maximum DC output in 18 steps of adjustment, and solid state variable interrupter, the TR-3 is capable of providing a wide range of portable DC power.

Standard Features
Model TR-3

• DC output of 60 volts, 30 amps
  
• Tool box style cabinet with carrying handle
  
• 24” long x 9” high x 8” deep
  
• Approximately forty-five (45) pounds
  
• 18-step voltage control link bar taps
  
• Solid state timer relay for interruption
  
• Accessible front panel Total precision shunt
  
• Magnetic AC Input circuit breaker
  
• Magnetic AC Secondary Breakers (instead of fuses)
  
• Hoyt model 17-3 volt and amp meters
  
• All electrical connections are double-nutted or soldered