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Home / Lighting / Driving & light bars

Unlit 12V oval rocker switch, 30A SPST On/Off with 12mm mounting stemRear view showing two blade spade terminals on oval rocker switchSide profile of oval rocker switch showing 12mm panel mount stem

Elevate Automotive

12V Oval Rocker Switch — 30A SPST On/Off

SW8300

Unlit oval rocker switch for 12V/24V panel-mount. 30A @ 12V, 15A @ 24V, SPST, 12mm hole, 2-blade terminals.

$9.50

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Universal fitmentPanel-mount rocker switch for 12V and 24V DC systems

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An unlit oval rocker switch that turns a 12V or 24V circuit on and off from a 12mm mounting hole. Runs LED work lights, water pumps, cabin fans, courtesy lighting, camera feeds and fridge circuits off a switched panel. Fits caravan cabinets, 4WD dash panels, boat helms, canopies and marine dashboards.

The face is a low-profile oval that sits flush against the panel; the stem clips through a 12mm hole for tool-free install. Two blade terminals on the rear take push-on spades for straight-in wiring. Body is moulded plastic with no lens or LED, so no dedicated earth wire is needed.

Rate the switch for what's plugged into it. The 30A ceiling covers most light-duty automotive circuits; anything over 30A at 12V (or 15A at 24V) needs a relay triggered by this switch. Fuse the load at the source, not at the outlet.

  • Rating — 30A @ 12V, 15A @ 24V
  • Contacts — SPST single-throw
  • Mount — 12mm panel hole
  • Face — Oval low-profile
  • Wiring — Two blade terminals
  • Housing — Moulded plastic

Electrical

Voltage: 12/24V DC

Current 12V: 30A

Current 24V: 15A

Contacts: SPST

Physical

Mount hole: 12mm

Terminals: 2 blade

Illumination: None

Length: 70mm

Width: 30mm

Height: 120mm

Panel-mount rocker switch for 12V and 24V DC systems
Suits 4WDs, utes, caravans, RVs and boats on 12V or 24V DC
Rated to 30A @ 12V, 15A @ 24V — SPST On/Off
Not for loads above 30A at 12V or 15A at 24V — use a relay
Not for AC mains circuits or exposed/wet locations

Q: What does SPST actually mean?
Single Pole, Single Throw. One input and one output, with two positions: on or off. It's the simplest form of switch and covers most single-circuit jobs like turning a light bar, fridge or water pump on and off from the dash.

Q: Which real-world loads can this switch handle?
At 12V it will directly switch anything drawing up to 30A. That covers most LED work lights (2-6A), portable fridges (3-6A running, 8-10A startup), water pumps (5-10A), courtesy and interior lighting (under 1A each), and 12V camera feeds. At 24V the ceiling drops to 15A.

Q: Is this switch illuminated?
No. It's an unlit rocker with no internal LED, so no separate earth wire is needed to power the illumination.

Q: Is it waterproof?
No IP rating is published on this switch, so treat it as splash-resistant at best. Fit it behind the dash, inside a cabin, or on an interior panel rather than in an exposed engine bay or on an open canopy exterior.

Q: What panel thickness does it suit?
The 12mm stem clips into standard automotive switch panels (roughly 1 to 6mm thick). If the panel is thicker, drill a 12mm hole and rely on the retaining collar; if thinner, add a washer behind the face for a firm grip.

Q: Can I use it to switch a winch or starter motor?
No. A winch draws 200 to 500A under load and a starter motor draws hundreds of amps at engagement — both well past the switch's 30A ceiling. Trigger a solenoid or contactor with this switch and let the solenoid carry the actual current.

Q: Does it work on 24V systems?
Yes. At 24V the current rating drops to 15A because contact wear is faster at higher voltages. Anything over 15A on a 24V circuit should run through a relay triggered by this switch.

Q: How do I wire the two blade terminals?
One terminal takes the positive feed from the fuse; the other feeds out to the load. Push-on spade connectors slide straight onto the blades. Fuse the feed side at the source of power (battery, fuse block or accessory tap) rather than at the switch itself.

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