Sierra RS20030 Contura Marine Rotary Switch – (On)-Off-(On), Momentary Both Sides, IP67, Definitive Detent
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Sierra RS20030 Contura Marine Rotary Switch – (On)-Off-(On), Momentary Both Sides, IP67, Definitive Detent
The Sierra RS20030 is a Contura marine rotary switch with a (On)-Off-(On) configuration where both active positions are momentary. The switch springs back to center-off the instant you release it in either direction — making it the correct choice for dual-direction momentary control applications such as trim tabs, windlasses, and actuators where you want the action to stop the instant you let go.
The patented mechanism translates rotary motion into linear switching action, and a secondary cam provides definitive detent positions — the switch clicks firmly into each active position and returns cleanly to center-off when released. The rotary format gives a more precise, mechanical feel than a standard rocker switch, making it a preferred choice for premium helm panel builds where tactile quality matters. Sealed to IP67 for above-panel components. Fits industry-standard panel openings.
Key Specifications
- Part Number: 11-RS20030
- Series: Contura
- Switch Type: Rotary (patented rotary-to-linear mechanism)
- Configuration: (On)-Off-(On) — momentary both sides, springs to center-off when released
- Illumination: None
- Detent: Secondary cam with definitive click positions
- Sealing: IP67 (above-panel components)
- Panel Opening: Industry-standard fit
- Note: (On) in parentheses designates a momentary position
Compatible Applications
- Trim tab control requiring momentary dual-direction switching in a rotary format
- Windlass or anchor control requiring momentary deploy/retrieve switching in a rotary format
- Any dual-direction momentary application where the tactile precision of a rotary control is preferred over a rocker switch
- Marine helm panels requiring IP67-rated momentary dual-direction rotary switches
- New helm panel builds and retrofits using industry-standard panel openings
Parts Desk Insights
The RS20030 is the right choice when you need dual-direction momentary control — trim tabs, windlasses, or similar applications — and prefer the precise, mechanical feel of a rotary switch over a standard rocker. The definitive detent gives clear tactile confirmation in each direction, and the momentary action ensures the function stops the instant you release the switch, which is the correct and safe behavior for these applications. For the same (On)-Off-(On) momentary dual-direction function in a compact rocker format, the Sierra RK40870 Compact (On)-Off-(On) SPDT is the rocker alternative. For a maintained On-Off-On rotary switch with a red LED indicator, the Sierra RS20020 Contura On-Off-On Rotary Switch is the maintained three-position alternative. For a two-position On-On rotary switch with a dual red/green LED, the Sierra RS20000 Contura On-On Rotary Switch covers that application.
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.