Auto Electrical Toggle Switches (0)

Automotive toggle switches for 12V and 24V commercial vehicle, truck, and trailer electrical systems. Our range covers single-pole and double-pole toggle switches in on-off and on-off-on configurations, suitable for cab installation, bodybuilder panels, and ancillary circuit control. In stock for next-day UK delivery or same-day collection.

No products found
Use fewer filters or remove all

Toggle switches for commercial vehicle electrical systems

Toggle switches are among the most common components in commercial vehicle auto-electrical installations - used for auxiliary circuit control, cab accessories, body lighting, and ancillary equipment. The key specification parameters are pole configuration (SPST, SPDT, DPDT), current rating, voltage rating, and IP rating for the mounting location.

For most cab-mounted 12V or 24V circuit control, a single-pole on-off toggle rated to 20A at 12V - or 10A at 24V - covers the majority of auxiliary circuit applications. Where the switch needs to control two independent circuits from a single lever, or switch between two circuits, a changeover (SPDT) or double-pole arrangement is required.

For installations in exposed locations - engine bay panels, external bodywork, or trailer junction boxes - an IP65-rated toggle gives adequate protection against water ingress. Cab-mounted toggles in a protected environment can use IP54 as a minimum.

Frequently asked questions

What is the difference between SPST, SPDT, and DPDT toggle switches?

SPST (Single Pole Single Throw) is a simple on-off switch - one input, one output. SPDT (Single Pole Double Throw) has one input and two outputs, switching between them - useful for changeover functions. DPDT (Double Pole Double Throw) switches two independent circuits simultaneously. For most single auxiliary circuit on-off control, SPST is the correct choice.

What current rating do I need for a commercial vehicle toggle switch?

Match the switch current rating to the load it is switching directly. For switching a relay coil to trigger a higher-current circuit, a low-current switch is sufficient. For directly switching a lamp or accessory load, the switch must be rated at or above the circuit's maximum current. Always use a relay for high-current loads such as horns, winches, or large lamp arrays.

What IP rating do I need for an externally mounted toggle switch on a commercial vehicle?

For external mounting - trailer junction boxes, exposed body panels, engine compartment installations - IP65 is the correct minimum specification. For cab-mounted switches in a sheltered environment, IP54 is adequate.

Can I use a 12V toggle switch on a 24V commercial vehicle circuit?

Only if the switch is rated for 24V. Most automotive toggle switches are dual-rated - typically 20A at 12V and 10A at 24V. Check the switch specification carefully. Fitting a 12V-only switch to a 24V circuit can cause the switch contacts to arc and fail prematurely.