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GAVR-8A Automatic Voltage Regulator
The GAVR-8A Automatic Voltage Regulator (part GAVR-8A) controls the alternator's excitation so the output voltage stays steady as the load changes.
About this part
Sensitive loads such as computers, inverters and motor drives depend on a steady voltage. The regulator is a small, inexpensive board that protects everything downstream of the generator.
When to replace it
- Output voltage that is too high, too low or unstable
- No output voltage although the engine runs normally
- Lights flickering or voltage dipping as loads switch on
- A burnt or damaged board after a lightning strike or short
Before you order
Match the AVR to the alternator: sensing (single or three phase), excitation type (brushless or brush type), supply voltage and the physical mounting all have to suit. Note the wiring before disconnecting the old regulator.
If the old part has no readable number, send us a clear photo with the engine or alternator nameplate and we will identify it before you buy.
Questions
Will a universal AVR work on my alternator?
Often, if the sensing, excitation current and supply voltage suit. Send us the alternator make and model and the old AVR number and we will confirm.
What is an "alternative" AVR?
A regulator made to replace the original part on a specific alternator brand, at a lower cost than the brand part.
Specifications
| Part number | GAVR-8A |
|---|---|
| Brand | IEP Power Products |
| Range | Automatic Voltage Regulators (AVRs) |
| SENSING INPUT | Voltage : 110/220/400V AC MAX; Frequency : 50-60 Hz nominal |
| POWER INPUT | Voltage : 100-260V AC MAX; Frequency : 50-60 Hz nominal |
| REGULATION | ± 1% |
Not sure it fits?
Send us the number on your old part, or a photo with the engine or alternator nameplate, and we'll confirm the match.
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