Switches

Switches give your LED lighting project a physical, tactile interface for controlling power — a panel-mount toggle, rocker, or pushbutton that…

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Switches give your LED lighting project a physical, tactile interface for controlling power — a panel-mount toggle, rocker, or pushbutton that turns the circuit on or off with a satisfying, definitive action. We carry four subcategories of switches: SPST LED-lit switches for 12V DC circuits with a built-in LED indicator that glows when the circuit is live, SPST non-LED switches for circuits where no indicator is needed, SPST/SPDT mini switches for compact installations and tight panel spaces, and switch covers, guards, and boots for protecting switches against accidental activation, moisture, and physical damage.

Switch topology describes how many circuits a switch controls and how many positions it has. SPST (single-pole, single-throw) is the simplest and most common type: one input, one output, two positions — on and off. It is the standard for controlling a single 12V DC circuit such as an LED strip, a bank of indicator LEDs, a cooling fan, or an accessory load. SPDT (single-pole, double-throw) adds a third terminal: the common input can be routed to either of two output terminals depending on switch position, making it useful for selecting between two circuits (for example, switching between two LED colors or two lighting zones). DPDT (double-pole, double-throw) controls two independent circuits simultaneously with coordinated switching — used for polarity reversal, motor direction control, and circuits that require two isolated switching actions to happen in lockstep. We stock SPST and SPDT switches in this section; DPDT and specialized switching are available in our mini switch subcategory.

Illuminated switches — the SPST LED-lit models — contain a small LED and a current-limiting resistor pre-wired inside the switch body. When the switch is closed and the circuit is live, the indicator LED lights up, providing an instant visual confirmation that power is flowing to the load. This at-a-glance status indication is valuable in automotive dashboards, control panels, gaming rigs, escape room props, marine instrument consoles, and any application where multiple switches share a panel and the operator needs to know which circuits are active without testing each one. We carry LED-lit switches in multiple indicator colors — red, blue, green, yellow — so you can color-code your panel by circuit function. The switches are rated for 12V DC and mount in standard panel cutouts (typically 12mm or 20mm depending on the body style).

Non-LED switches — the SPST non-LED models — provide the same reliable on/off control without the indicator light. These are the right choice for circuits where the switch state is obvious from the load behavior (a visible LED strip turning on, for example) or where the panel design does not call for indicator lights. Non-LED switches are also simpler to wire: two terminals only (input and output), no polarity sensitivity, and no minimum load requirement for an indicator circuit. They are available in toggle and rocker body styles and fit standard panel cutouts.

Mini switches — the SPST/SPDT mini models — are compact toggle switches designed for tight panel spaces, breadboard prototyping, and small enclosures where a full-size automotive-style toggle or rocker will not fit. Despite their smaller size, mini toggles are fully rated for 12V DC circuits and provide the same definitive mechanical action as their full-size counterparts. They are popular in guitar pedal builds, Arduino project enclosures, model railroad control panels, and portable electronic devices where panel real estate is limited. Available in SPST (on-off) and SPDT (on-on) configurations with solder-lug terminals for direct wire attachment.

Switch covers, guards, and boots — the protective accessories subcategory — add safety and environmental protection to any installed switch. Hinged metal or plastic guards (missile-style flip covers) prevent accidental activation by requiring the operator to lift the cover before the switch can be toggled — standard safety practice in aerospace, military, marine, and industrial control panels where inadvertent switching could have serious consequences. Translucent guards allow the switch indicator LED to remain visible through the cover. Rubber and silicone boots seal around the switch actuator to block water, dust, and contaminant ingress — essential for outdoor enclosures, marine dashboards, and any panel exposed to spray or wash-down. Guards and boots are sized to fit specific switch actuator dimensions; verify compatibility before ordering.

All switches in this section are rated for low-voltage DC circuits (12V typical) and panel-mount installation. Wiring is straightforward: connect the supply wire to one switch terminal and the load wire to the other. For LED-lit switches, observe the terminal polarity markings — the built-in indicator requires correct polarity to illuminate. For non-LED and mini switches, there is no polarity requirement on the switch terminals. Use appropriately rated wire for the current load, and protect the circuit with an inline fuse if the switch is controlling a load that could draw excessive current in a fault condition. Browse subcategories for the switch type, indicator color, and body style that matches your project.

Frequently Asked Questions

SPST stands for Single-Pole, Single-Throw. It means the switch controls one circuit (single pole) and has two positions: on and off (single throw). This is the simplest and most common switch type — one input terminal, one output terminal, on or off. SPST switches are the standard for controlling a single 12V DC LED circuit, fan, or accessory load. SPDT (Single-Pole, Double-Throw) adds a third terminal that lets you route the input to one of two outputs — useful for selecting between circuits.
LED-lit switches have a built-in LED indicator and resistor inside the switch body — the indicator lights up when the switch is on and the circuit is live. They provide at-a-glance status confirmation and are ideal for multi-switch panels where you need to see which circuits are active. Non-LED switches have no indicator and are simpler to wire (no polarity requirement). Choose non-LED when the load behavior is already visible or when the panel design does not call for indicator lights.
Panel cutout size depends on the switch body style. Full-size toggle switches typically require a 12mm (approximately 1/2 inch) round hole. Full-size rocker switches typically require a 20mm x 13mm rectangular cutout. Mini toggle switches require a smaller 6mm hole. Check the product page for the exact cutout dimensions and mounting hardware for each specific switch. Most switches include a lock washer and nut for securing the switch body to the panel after insertion through the cutout.
Yes — all switches in this section are rated for 12V DC and are commonly used in automotive custom consoles, off-road accessory panels, boat instrument dashboards, and other vehicle applications. The LED-lit variants are especially popular for automotive use because the indicator shows at a glance which accessories are powered. Always protect the switch with an inline fuse rated for the load current, and use appropriate gauge wire for the current draw. For exposed or outdoor vehicle applications, add a switch guard or rubber boot for weather and accidental-activation protection.
LED-lit switches have three terminals: power input, load output, and ground. Connect the positive 12V supply wire to the input terminal, the load (LED strip, light, accessory) to the output terminal, and the ground terminal to the negative/ground bus. The built-in LED and resistor are pre-wired internally — when the switch closes, current flows to both the load and the indicator LED simultaneously. Polarity matters on LED-lit switches — reversing the connections will not damage the switch, but the indicator LED will not illuminate. Check the terminal markings on the switch body for correct orientation.
Switch guards are hinged covers (missile-style flip guards) that must be lifted before the switch can be toggled — preventing accidental activation from bumps, tools, or careless hands. They are standard safety equipment in aerospace, military, marine, and industrial control panels. Translucent guards allow the switch indicator LED to remain visible through the cover. Rubber and silicone boots serve a different purpose: they seal around the switch actuator to block water, dust, and contaminant ingress, protecting the switch mechanism in outdoor and wet environments.