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AVR - Automatic Voltage Regulator AVC63-4

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El AVR AVC63-4 es un regulador de voltaje compacto y robusto para generadores sin escobillas, con entrada de detección y potencia de 190-240 V CA y una salida continua de 63 V CC a 4 A CC. Ofrece una regulación del 1.00% y permite ajustes de voltaje remotos de hasta ±10%, además de contar con compensación de frecuencia ajustable. Diseñado para operar en condiciones extremas (-40°C a +60°C) y con solo 8 vatios de disipación de potencia, este AVR incluye arranque automático de voltaje desde 10 V CA, garantizando un rendimiento estable y eficiente.

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AVR - AVC63-4 belongs to the generator excitation circuit and holds the output voltage within about ±1 % when the load steps up or down.

AVR wear is thermal. It works inside the generator compartment with no ventilation of its own, so it is usually the first module to age on a high-hour set. Keeping one on the shelf avoids a multi-day stop for a low-cost part.

Specifications and compatibility

Applicable to
BASLER ELECTRIC
Dimensions
17 x 6 x 13 cm
Weight
1.00 kg

How to verify before ordering

  • Check that the reference printed on the AVR label (for example AS440, MX341, R120) matches exactly; variants differ in sensing range and excitation level.
  • Confirm the excitation input voltage and the generator type it serves. They are not interchangeable across generator makes or speed ranges.
  • Inspect wiring and brushes before replacing the module: a loose connection produces exactly the same symptoms as a burnt AVR.

Frequently asked questions

How do I know the fault is the AVR and not the generator?

Measure output voltage at steady load. If it is low and does not respond to the excitation trim, while windings and rotating diodes are healthy, the AVR is the suspect. A cross-test with a spare AVR confirms it in minutes.

Can the voltage be trimmed after installation?

Yes. Most of these regulators have a voltage and a stability trim pot. Set them at no load to the site nominal voltage, then verify under load before signing off.

Related parts

See the spare parts catalogue or request a quotation quoting the equipment reference. Third-party trademarks are cited for identification purposes only.

Specifications

Characteristics
Applicable To BASLER ELECTRIC
Weight 1,00 kg
Dimensions 17 x 6 x 13 cm
Spare Parts
Generator Parts AVR