STAMFORD® AS540 Voltage Regulator AVR

STAMFORD® AS540 Voltage Regulator AVR

Product Group: STAMFORD® voltage regulators

Part/Model #: AS 540

Quality: Factory tested, satisfaction guaranteed

Condition: 100% genuine, certified factory original

Warranty: Full factory warranty

Pricing: Below MSRP

Shipping: Overnight as available

Product Information

STAMFORD® AS540 Voltage Regulator AVR

The STAMFORD® AS540 Automatic Voltage Regulator (AVR) allows you greater control, with features like: Voltage Control [VOLTS], Stability Control [STAB], Under-Frequency Roll-Off [UFRO] and Over-Excitation Control [EXC].

Power input voltage is 95-265V ac 1 phase and Frequency 50-60 Hz nominal. Power output voltage is 82V dc @ 200V ac input.

Identical Automatic Voltage Regulator as:
Stamford® VR A054P369

Brand New! In Stock. Ships same day. Worldwide.

Cummins Generator Technologies

Manufacturing Origin:
United Kingdom (UK)


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Cummins Support Tech

Personalized Tech Support

Knowing which part you need isn’t always as easy as you might expect. That’s why Ward Leonard provides Authorized Tech Support to help you define exactly what you need to get your alternator back up and running. Much more than a distributor, we’re an Authorized Service & Repair Center that has handled hundreds of alternator projects over the years — and there isn’t a part we don’t know, can’t find, or can’t repair. Call 1-800-673-0531 to discuss your specific part — or any other maintenance and repair — needs.

STAMFORD® Alternator Service Guide

Maximize the life of your STAMFORD® alternator by following the recommended scheduled service and repair activities in this easy-to-understand guide. Activities include: Commission, Post Commission 250 hours/6 months, 1,000 hours/1 year service, 10,000 hours/2 year service and 30,000/5 year Service Kits for the following models:

  • P0/P1 Alternators
  • UC22/UC27 Alternators
  • HC4/HC5/HC6 Alternators
  • P7 Alternators
  • P80 Alternators
  • S Range

Stamford Alternator Service Guide Cover