2-Pack 20mm Round 12V Rocker Switch SPST ON/OFF with Wires
Upgrade your vehicle's electrical setup with these compact, reliable 20mm Round 12V Rocker Switches. Sold as a pack of 2, these SPST (single pole, single throw) ON/OFF switches are built for automotive, marine, RV, and DIY electronics projects. With a snap-in panel mount design and pre-attached quick-connect wires, installation is fast and hassle-free — no soldering required.
Made in Mainland China.
Key Features
- SPST ON/OFF Function: Simple 2-pin single pole single throw design for straightforward circuit control.
- 10A 12V DC Rating: Handles up to 10 amps at 12V DC — suitable for a wide range of automotive and marine accessories.
- Snap-In Panel Mount: Easy press-fit installation into a standard 20mm round panel cutout — no tools needed.
- Anti-Rotation Keyhole Slot: Built-in keyhole prevents unwanted rotation once mounted, keeping the switch secure and stable.
- #187 Quick-Connect Wires Included: Each switch comes with pre-attached terminal wires for speedy, secure connections.
- CE Certified: Meets CE safety standards for low-voltage electrical components.
- Long Service Life: Rated for ≥10,000 operating cycles, ensuring lasting dependability.
- Versatile Applications: Ideal for cars, trucks, RVs, boats, marine vessels, and custom electronics modifications.
Technical Specifications
| Rating | 10A 12V DC |
| Function | SPST 2-Pin ON/OFF |
| Shape & Color | Round, Black |
| Material | Plastic |
| Size | 2.48 cm × 2.3 cm (0.97" × 0.91") |
| Insulated Resistance | ≥ 100 MΩ |
| Contact Resistance | ≤ 50 mΩ |
| Dielectric Strength | ≥ 1500V AC / 5S |
| Operating Temperature | T85 |
| Electrical Life | ≥ 10,000 Cycles |
| Certification | CE |
What's in the Box
- 2 × 20mm Round 12V Rocker Switches (with pre-attached quick-connect terminal wires)
No retail box. Packed safely in a protective bubble bag.
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Learn more: FuelEconomy.gov on vehicle maintenance
Frequently Asked Questions
Q: What panel cutout size is needed to mount these 20mm rocker switches?
A: These switches are designed for a standard 20mm round panel cutout. The snap-in design means they press firmly into place without additional fasteners, making DIY installation quick and straightforward.
Q: Are the wires already attached, or do I need to wire these switches myself?
A: Each switch comes with pre-attached #187 quick-connect terminal wires, so you can connect them to your circuit immediately without soldering. Simply crimp or plug the connectors into your wiring harness.
Q: Can these switches be used on boats and marine applications?
A: Yes! These 12V rocker switches are well-suited for marine, boat, RV, car, and general automotive DIY applications. Their plastic housing and secure snap-in design make them a practical choice for a variety of 12V DC electrical setups.
Q: What is the maximum current these switches can handle?
A: Each switch is rated at 10A at 12V DC. Ensure your circuit does not exceed this rating to maintain safe and reliable operation.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.