The core business of Kwant Controls is the design and manufacturing of various types of control units for the electrical remote control of practically all kinds of propulsion and steering devices, such as: traditional main engine/clutch/CPP-FPP shaft lines, tunnel thrusters, azimuthal thrusters, rudders and water jets.

  • Most units can be equipped with drive motors for automatic lever synchronization in a multi-station electric shaft/telegraph system.
  • Various machinery interfaces can be selected from e.g. potentiometer, 4-20mA, micro-switch contacts or even integrated CAN.
  • In case of remote control failure, one can rely on our traditional lamp type Engine Order Telegraphs, for signalling between Bridge, Control- and Engine Room.
  • Feedback from the vessel’s actuators can be displayed using our panel- or ceiling mounted range of indicators.
  • Customer specific control panels, with built-in lever units, signal lamps, pushbuttons, indicators, buzzers, electronic dimmers et cetera can be supplied. These panels are available with interface modules and PLC’s, together forming a Propulsion Remote Control system tailored to customer requirements, completely functional Factory tested (with or without class and/or customer in attendance).
  • For maximum flexibility of control on board, and eliminating the need for having fixed control positions, class approved portable wireless control systems can be supplied with all control devices integrated.


The dimmer circuit is wired in series with the lamps and acts as a controllable power resistor. Each dimmer circuit has a pre-set potentiometer for adjusting the minimum brightness level of the lamps. If the dimmer circuit is placed in the positive supply lead of the lamps, it will source the lamp current. This is referred to as a P-type circuit. If the dimmer circuit is placed in the negative (minus) supply lead of the lamps, it will sink the lamp current. This is referred to as an M-type circuit.


The electronic dimmer is available in three different executions:

  • Execution 1: ED-MM = both circuits are of the M-type;
  • Execution 2: ED-PP = both circuits are of the P-type;
  • Execution 3: ED-MP = first circuit is of the M-type, second circuit is of the P-type;
  • Execution 4: QED-MMMM = all four circuits are of the M-type;
  • Execution 5: QED-PPPP = all four circuits are of the P-type;

If more than two groups of lamps have to be dimmed, a central multi-section potentiometer is used, available in 4, 6 or 10 gangs, each gang serving 1 dimmer circuit. Each dimmer power module is now supplied with a pluggable terminal block instead of the dual section potentiometer. The suffix ‘S’ (for Separate) is added to the type ID of the dimmer module (for example: ED-MM becomes ED-MMS).

For all inquiries about this product, please fill out the form below. Our control units are available as part of a remote control systems with an integrated telegraph and/or electric shaft system. After submitting the form, a sales representative will contact you shortly.
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