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Aftermarket (Stamford-compatible)

Compatible MX321 AVR

SKU MX321

The Stamford-compatible MX321 AVR is a replacement automatic voltage regulator designed to restore stable alternator output on compatible brushless generators. It is suited to Stamford 4-pole brushless gensets (HCI/UCI/PI), subject to excitation, sensing and mounting checks.

Supported locally Installation available Technical advice, Australian Support

Product overview

The Stamford-compatible MX321 AVR is a replacement automatic voltage regulator designed to restore stable alternator output on compatible brushless generators. It is suited to Stamford 4-pole brushless gensets (HCI/UCI/PI), subject to excitation, sensing and mounting checks.

  • Three-phase RMS sensing
  • Permanent Magnet Generator (PMG) input
  • Over-excitation protection
  • Soft start ramp
  • Frequency rolloff (UFRO)

Behind the Brand

Meet the supported manufacturers whose components are specified in this product.

ST
Alternator

Stamford

Stamford alternators are produced by Cummins Generator Technologies and have powered industrial sites worldwide for over 110 years. Manufactured in Stamford, UK, they're prized for their robust voltage build-up under heavy load and exceptional motor-starting capability.

Product descriptions, specifications and photos are indicative only and may vary by model or configuration. Photos may show optional equipment. Please confirm the exact model, configuration, specifications, inclusions and availability with Gold Coast Generators before ordering.