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Rocker-Switch Harness for Linear Actuators and other DC motors


This switch harness (rocker-switch with pre-installed leads) provides an easy way of manually controlling a linear actuator or a DC (direct current) motor. Simply plug one of the two leads into an input power supply (either a battery or AC to DC adapter) and the other lead into the actuator or motor you wish to control (up to 5A maximum continuous load).

Pressing the rocker switch one way will result in the actuator or electric motor traveling in one direction, then pressing it the other way will reverse the supplied current to the motor, causing it to travel in the opposite direction. Moving into the centre (level) position will cut the power to the output, stopping the motor.

Two versions of the switch are available, one with a Latching function (when set in a direction it will stay in position until pushed the other way) and another for Momentary control (with a spring-return to the centre position when released).

Two male DC (2.1 x 5.5mm) to screw-terminal connectors are included with each harness.

Read on below for more information.


£9.25 £11.10 inc VAT
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Group SKU: ROCKER

The rocker switch is designed to be fitted into a 28mm by 21mm rectangular slot in a panel up to 3mm thick. Two sprung clips on the sides of the switch will hold it in place on a flat panel. The overall depth of the switch including leads on the rear is approximately 60mm.

Both the input and output leads are 280mm long and are very flexible. They have low-profile (narrow) insulation around a 20AWG (approximately 0.5mm2) conductive area.


Electrical Properties

The input and output leads each end with a female 2.1mm x 5.5mm DC power connector. Two male DC plug to screw-terminal adapters are also included with each harness.

The combination of rocker switch, leads and the female connectors provides a maximum continuous current rating of 5A. If using with a duty cycle (proportion of the time current is flowing) of less than 20% then this rating is increased to 8A, or up to 10A when operating for only up to 10s at a time (and at less than 5% duty).

The switch works by reversing the supply polarity to the output and hence will only be able to control (and is only rated for) DC and not AC currents. Voltages up to 36V DC are OK. 

As with all electrical equipment it is best practice to fit circuit protection (such as fuses or circuit breakers) in line with the load to protect control hardware from currents exceeding their rating.

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