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Mesa AO Standard Universal Rectifier

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Mesa AO Standard Universal Rectifier
Manufacturer: Mesa

The oil cooled cathodic protection rectifiers are recognized as industry leading in quality, workmanship and service life. Many years of field-proven service have led to the superior design of these rectifiers. Conservative equipment ratings, controlled manufacturing techniques, plus many extra features ensure long and trouble-free operation.

Typical cathodic protection applications for the oil cooled rectifier line include severe environmental conditions due to humidity, dust, or other situations that would shorten the life of a standard air cooled rectifier.

Hazardous location models are used for Class 1, Div-2, Group D locations and comply with U.L. Standard 698. While similar to the standard oil cooled rectifiers, the explosion proof units are fitted with special hazardous area fittings to eliminate possibility of an ignition source.

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Features Model
  • Heavy duty 11 gauge hot dip galvanized cabinet with hinged top lid and stainless steel hardware.
  • External cabinet fins for added strength and cooling.
  • Heavy duty, draw-pull, stainless steel cabinet latches.
  • Separate instrument compartment with hinged door and stainless steel hardware.
  • Separate lift-out component racks for the transformer and rectifier and rectifier stack.
  • Heavy duty transformer with 15% over design for reserve capacity.
  • Minimum 18-step voltage control linkbar taps.
  • Quick-change heavy duty knobs for changing tap link bars.
  • Minimum 5/16" diameter, solder tap changing studs.
  • 3/16" Grade XX, Phenolic panels.
  • AC input circuit breaker.
  • Magnetic AC secondary circuit breakers on all units less than 100 amps (instead of fuses).
  • Hoyt, separate analog, 2-1/2" round, volt and amp meters.
  • Silicon diodes protected by surge suppressors and current limiting breakers <100 Amps or fuses.
  • All electrical connection hardware is Nickel Plated and double-nut or soldered.
  • Multi-strand, high temperature, insulated flexible wiring.
  • Terminal block for AC input wires (Non-Hazardous models only).
Mfr. Part No. Description

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