DPDT Momentary Rocker Switch – Reverse motor direction without complex wiring or relays
Do you need a simple way to control the direction of a linear actuator, DC motor, or lifting system? This 3-position DPDT rocker switch with automatic spring-return makes it effortless. Toggle left to start the motor in one direction, toggle right to reverse it, and release to stop automatically.
Note: The automatic return to the centre (OFF) position prevents accidental operation and protects both your motor and circuit.
Why choose this model? (Key benefits):
- Relay-free polarity reversal — The DPDT configuration switches both motor wires simultaneously, allowing you to change rotation direction in one simple motion without extra components.
- Automatic stop on release — The side positions are momentary: the motor runs only while the switch is held, eliminating the risk of mechanical jamming or overload.
- 20A at 12V and 24V DC — Perfectly suited for the vast majority of linear actuators and DC motors used in automotive, campervan, marine, and DIY automation projects.
- 5-pin connector included — Connect your wires directly to the plug for a solder-free, tool-free installation. Ideal for quick and efficient setups.
- Compact design: 21 × 41 × 34 mm — Easily fits into dashboards, control panels, or 3D-printed housings.
Performance and Specifications
The DPDT (Double Pole Double Throw) configuration allows you to control two independent circuits simultaneously — exactly what is required to reverse the polarity of a DC motor without a separate H-bridge relay. The ON/OFF/ON momentary structure keeps the centre position stable (motor off) and only activates movement while the lever is held, preventing mechanical jams in lifting or linear systems. The 5-pin terminal with a detachable plug ensures quick replacement or re-wiring, even in tight spaces.
| Parameter | Value / Detail |
|---|---|
| Switch Type | DPDT, ON/OFF/ON with automatic return (momentary) |
| Number of Pins | 5 pins (connector included) |
| Rated Voltage | DC 12V / 24V |
| Rated Current | 20A |
| Return Function | Automatic to centre OFF position |
| Dimensions | 21 × 41 × 34 mm |
| Cable Length | 12 mm |
| Typical Applications | DC motors, linear actuators, lifting systems, robotics, automotive automation |
Package Contents
- 1 × 3-Position DPDT momentary rocker switch
- 1 × 5-pin connector plug
Frequently Asked Questions
Can I control a linear actuator directly with this switch?
Yes. This is one of its most common uses. It works with any DC linear actuator drawing up to 20A at 12V or 24V, including antennas, hatches, electric beds, and lifting systems.
What happens if I exceed 20A?
The contacts may overheat, leading to switch failure. If your motor draws more than 20A at start-up, use this switch to trigger a power relay instead; the switch should only handle the control circuit, not the main power load.
Do I need protection diodes?
For large inductive motors (over 5-10A), we recommend installing flyback diodes in parallel with the motor terminals. This protects the switch contacts from electrical arcing during switching.
How long does panel mounting take?
Less than 10 minutes. Simply cut a standard hole in your panel, secure the switch, and connect the wires to the 5-pin plug. No soldering or specialised tools are required.
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