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SP Powerworld

SP Powerworld EA-KOH AVR

SP Powerworld EA-KOH AVR

Regular price £156.00 GBP
Regular price Sale price £156.00 GBP
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SP Powerworld EA-KOH self excited genset voltage regulator is a compatible replacement for Kohler infrared photo coupler C-255670 regulator.

£130.00 plus VAT

Accepted worldwide as the only Quality and Legal aftermarket replacement. It's been designed to work in exactly the same way and operates at the same performance. It’s the same size, function and has the same wiring connections.

Ex stock - shipped Worldwide. For EURO or USD pricing please contact us:


Tel: +44 (0)115 923 2568 (United Kingdom)

Tel: (24-hour) +44 (0)7484709956 (United Kingdom)

*All manufacturer names, numbers, symbols and descriptions are used for reference purpose only and do not imply that any part is the product of these manufacturers.

  • Voltage regulation less than +/-1%
  • Drive infrared LED to control excitation
  • 50/60 Hz optional
  • Under frequency protection
  • Adjustable stability
  • External voltage trimmer applicable


Sensing Input
  • Voltage 220 Vac 1 phase 2 wire
  • Frequency 50/60 Hz select by jumper
Power Input
  • Voltage 10 to 26 Vdc
  • Current 20 mA
External Voltage Adjustment
  • +/-10% @ 1K ohm 1 watt potentiometer
Voltage Regulation
  • Less than +/-1% (with 4% engine governing)
Static Power Dissipation
  • Max. 2 watts
Voltage Thermal Drift
  • 0.05% per °C change in AVR ambient
Under Frequency Protection (Factory Presets)
  • 50 Hz system presets knee point at 45 Hz
  • 60 Hz system presets knee point at 55 Hz

AVR Control Functions

  • Stability adjustment


Operating Temperature
  • -40 to +60 °C
Storage Temperature
  • -40 to +80 °C
Relative Humidity
  • Max. 95%
  • 3.3 Gs @ 100 to 2K Hz

Physical Specifications

  • 127.2 (L) x 114.5 (W) x 39.0 (H) mm
  • 109 g +/-2%
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  • Genuine Products with Full Warranty

    We are aware that there are poorly made illegal Chinese counterfeit models available on the market. Please note our products are Genuine, come with full warranty and have been sourced directly from the factory.

  • Worldwide Shipping

    All items are shipped from the United Kingdom and we cover all of Europe and the rest of the world. For an accurate DHL Quotation please contact us.