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You are here: Home > Online Shop > Mastervolt > Mastervolt AC input protection > Mastervolt 3.5kw Isolation Transformer (Mass GI 3.5)

Mastervolt 3.5kw Isolation Transformer (Mass GI 3.5)

Mastervolt 3.5kw Isolation Transformer (Mass GI 3.5)
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£864.99 (including 20 % tax)
You Save: £246.44

You need to be careful when introducing shore-power onboard, especially when the boat is made of Aluminium or Steel. An incorrectly configured system can result in electrolysis, which will slowly but surely corrode the metal components. It is also important to protect the engine, rudder, rudderstock, propellor and thruster on GRP boats. A Mastervolt isolation transformer will help preserve your valuable boat and provide you with the security of a correctly earthed 240V system.

If you have any questions about this product please feel free to give us a call on 01353 663095 or 01353 640008.

Lightweight Mass GI transformer

  • Ultra-modern high frequency electronic switch technology
  • Lightweight and compact
  • Integrated soft-start function
  • Connect to currents from 90 to 255Vand from 45 to 65Hz
  • Higher efficiency, limited heat development
  • Can be integrated with the Mastervolt MasterBus system. The Masterview Easy will act as a remote control and information readout for this product.


  •  Input voltage: 90-255v
  • Input frequency: 45-65Hz
  • Nominal input current @ 230V: 16A
  • No load consumption: 22W
  • Output voltage: Equal to input
  • Output frequency: Equal to input
  • Efficiency: 93%
  • Power: 3500W
  • Dimensions: 340mmH x 261mmW x 144mmD
  • Weight: 6kg
  • Ambient temperature: 0 to 40 degC (derating at 5% per degC above this)
  • Cooling: Variofan
  • Protection degree: IP23
  • Compatible with MasterBus system


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Last Updated: Monday, 22 January 2018 15:41

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