Rocker Switch Models You Should Know.

Compare popular rocker switch models for power supplies, appliances, and industrial gear. Find the right size, rating, and circuit type for your project.

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1. What Makes a Rocker Switch Different?

You’ve seen these switches everywhere. They rock back and forth instead of flipping up and down. One side goes in while the other comes out. Simple and satisfying to use. Rocker switches handle a lot of daily jobs: power strips, coffee makers, medical devices, and control panels. But not all rocker switch models are the same. The differences come down to size, electrical rating, illumination, and circuit type. Let’s walk through the most common ones so you can pick the right fit.

2. Standard Sized Models: Snap-In and Mini

The most popular size is the snap-in model. It fits a standard rectangular panel cutout, usually around 19mm x 13mm. You don’t need extra screws or brackets. Just push it into the hole, and the clips hold it tight. This makes assembly fast.

Then you have mini rocker switches. They use a smaller cutout, roughly 13mm x 8mm. These work great for tight spaces like portable instruments or small power supplies. Many rocker switch models come in both sizes, so measure your panel before ordering. Also check the current rating. Common options range from 6A to 20A at 125VAC or 250VAC.

3. Lighted vs. Non-Lighted Rocker Switches

Here’s a practical choice. Non-lighted models are basic and reliable. They don’t need extra wiring for a bulb or LED. Use them when you don’t need a visual indicator.

Lighted models include a small lamp inside. Usually an LED for low heat and long life. The light turns on when you press the switch. That tells you at a glance if the equipment has power. These rocker switch models work well on power distribution units or control panels in dim rooms. Some have a red light. Others use green or amber. Pick the color that matches your panel design.

4. SPST, SPDT, and DPDT: Circuit Types Matter

Don’t ignore the circuit configuration. SPST (single pole, single throw) acts like a simple on-off. Two terminals. Easy.

SPDT (single pole, double throw) switches one input between two outputs. Great for choosing between two power sources or two loads.

DPDT (double pole, double throw) switches two separate circuits at the same time. You’ll see these rocker switch models in industrial controls or audio gear. The right circuit type prevents wiring mistakes and makes your device work as intended.

5. Sealed and Weather-Resistant Versions

Standard rocker switches do fine indoors. But what about moisture or dust? Look for sealed rocker switch models. Many carry an IP rating like IP54 or IP67. IP54 handles splashes. IP67 survives temporary submersion. These sealed versions use rubber boots or epoxy inside. They cost a little more but last much longer in harsh environments. Use them on marine equipment, outdoor kiosks, or kitchen appliances near water.

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