Transfer Switches

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Whisper Power Pacific Transfer Switch

We offer ready-to-install AC power distribution and protection circuitry for small and medium-size yachts and vehicles. Our digital WP Logic network, based on CAN-Bus technology (SAE J 1939), can be supplied as a complete ‘Domotica’ digital switching

The traditional analogue WhisperSwitch systems include automatic switching between various power sources and automatic circuit breakers.

The following variants are available:

  • Whisper Switch
  • AC Transfer System Switch
  • Earth leakage protection

Whisper Switch, fully integrated plug and play
With WhisperSwitch, different power sources can be combined to operate automatically. Shore power and generator or inverter power IN, onboard groups (230 VAC or 120 VAC) OUT, are all connected together in one box. The connected appliances will take power from the source which is active at that time. WhisperSwitch is limited to two inputs and one output. The range is as follows:

  • 2 input, 1 output, 6 kW, 26 Amp power rating, 230 V / 50 Hz
  • 2 input, 1 output, 10 kW, 42 Amp power rating, 230 V / 50 Hz
  • 2 input, 1 output, 6 kW, 50 Amp power rating, 120 V / 60 Hz
  • 2 input, 1 output, 10 kW, 83 Amp power rating, 120 V / 60 Hz

AC Transfer System switches
These switches are designed to connect 3 power sources: The AC power supply the shore, the generator and the inverter, with three outgoing circuitries.

Earth leakage protection
WhisperPower earth leakage protection devices are available for single and three-phase systems. This device protects the electrical installation against the leakage of electricity, preventing dangerous situations as a consequence.

  • Whisper Switch AC 5 – 230V

  • Whisper Switch AC 10 – 230V

  • AC Transfer System Switch 5

  • AC Transfer System Switch 10

  • AC Transfer System Switch 16