Sea-Dog Large SPDT Momentary On/Off/Momentary On Rocker Switch – 15A, Snap-In
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Three-Position Momentary Rocker — Spring Return to Center Off
The Sea-Dog Large SPDT Momentary On/Off/Momentary On Rocker Switch gives you momentary control in both directions from a single rocker — press and hold one side to activate the circuit, release and it springs back to center off automatically. Press the other side to activate in the alternate direction, release to stop. It’s the single-pole version of the momentary rocker format, controlling one circuit at a time with spring-return safety built in.
Snaps directly into any standard 7/8" × 1-7/16" panel slot with no tools or hardware required, and wires up with standard 1/4" blade terminals. Built from durable injection-molded nylon and stamped brass, rated at 15A and 12V DC.
Key Features
- SPDT configuration — Single Pole, Double Throw (one circuit, two directions)
- 3 positions: Momentary On – Off – Momentary On (spring return to center)
- 15A rating at 12V DC
- Snap-in installation — fits standard 7/8" × 1-7/16" panel slot
- 1/4" blade terminals for direct wiring
- Injection-molded nylon and stamped brass construction
- Large rocker format for easy operation
Compatible Applications
- Single-circuit momentary switching requiring two directions (up/down, open/close)
- Windshield wiper momentary control (single-speed circuits)
- Actuator or solenoid momentary jogging
- Horn or alarm momentary activation from either rocker side
- Helm and cockpit panel momentary control positions
- 12V DC circuits requiring spring-return momentary action in both directions
Parts Desk Insights
Best use case: The SPDT Momentary On/Off/Momentary On rocker is the right switch when you need press-and-hold control in two directions for a single circuit — common for single-speed wiper motors, solenoid jogging, and simple actuator control where you want the circuit to cut the moment you release the rocker. The spring-return center-off is a safety feature: there’s no risk of leaving the circuit energized if you release the switch. For reversing motor circuits that need to control both the positive and negative leads simultaneously, the DPDT version handles both poles at once.
Related Sea-Dog switches: For the DPDT momentary version that controls two circuits simultaneously (ideal for reversing motors like trim tabs), see the Sea-Dog Contura DPDT Illuminated Rocker Switch – Momentary On/Off/On. For a maintained DPDT On/Off/On rocker in the same large format, the Sea-Dog Large DPDT On/Off/On Rocker Switch stays in position without holding. For a simple SPST On/Off large rocker, see the Sea-Dog Large SPST On/Off Rocker Switch.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.