
KN3C-203A-WPC-06-UPDOWN Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $20.41 | Top Pick! Condition is Brand New, RVMARINEPAT Reverse Polarity Toggle Switch 12V 30A 6 Pin 3 Way Latching 6 , FREE SHIPPING | 99.3% |
![]() | $20.99 | Condition is Brand New, RVMARINEPAT Reverse Polarity Toggle Switch 12V 30A 6 Pin 3 Way Latching 6 , FREE SHIPPING | 99.0% |

The RVmarinepat KN3C-203A WPC-06 Up/Down Reverse Polarity Toggle Switch is a versatile and robust electrical component designed for marine and RV applications. This switch offers three ways to operate - on/off/on, making it an ideal solution for various electrical systems and appliances.
The switch is rated for a maximum current of 30 Amps at 12 Volts, ensuring it can handle heavy electrical loads. Its unique up/down design allows for easy identification of the on and off positions, even in low light conditions. The reverse polarity feature adds an extra layer of safety to the switch by preventing the risk of incorrect connection of power sources.
The KN3C-203A WPC-06 is a latching switch, meaning that it remains in the last position it was switched to until manually changed. This feature is particularly useful in applications where the switch is frequently used or in situations where a stable electrical connection is required.
The switch is constructed with high-quality materials, including a corrosion-resistant metal housing, and is designed to withstand the rigors of marine and RV environments. Its sealing properties make it suitable for use in wet locations, ensuring reliable operation even in harsh conditions.
The RVmarinepat KN3C-203A WPC-06 Up/Down Reverse Polarity Toggle Switch is an essential addition to any marine or RV electrical system, providing safe, reliable, and easy-to-use operation for various applications. Its robust design, combined with its unique features, makes it a must-have component for any boater or RVer.
The RVmarinepat KN3C-203A WPC-06 Updown Reverse Polarity Toggle Switch is a 12V, 30A, 3-way on/off/on latching switch that can be used in various marine and RV applications. Here are some pros and cons that may help you decide if this switch is the right choice for your project:
Pros:1. Reverse polarity protection: This switch is designed to prevent damage to the circuit and the switch itself caused by incorrect wiring of the power source.
2. Latching mechanism: Once the switch is in the on position, it will stay on until manually turned off, making it ideal for applications where a constant power supply is required.
3. On/off/on functionality: This switch offers three different positions, making it versatile for various applications.
4. Marine-grade construction: The switch is designed to withstand the harsh marine environment, making it a reliable choice for boat applications.
5. 30A capacity: This switch can handle a high current load, making it suitable for powering various marine and RV appliances.
Cons:1. Price: This switch may be more expensive than some other switches with similar functionality.
2. Size: The switch is larger than some other toggle switches, which may make it less suitable for applications where space is limited.
3. Installation: Installing this switch may require some electrical knowledge and experience, so it may not be the best choice for DIY projects.
Conclusion:The RVmarinepat KN3C-203A WPC-06 Updown Reverse Polarity Toggle Switch is a high-quality, marine-grade switch that offers reverse polarity protection, latching mechanism, and on/off/on functionality. While it may be more expensive and larger than some other switches, its reliability, durability, and versatility make it a worthwhile investment for marine and RV applications that require a heavy-duty switch with reverse polarity protection.
Recommendation:If you are looking for a heavy-duty, marine-grade toggle switch with reverse polarity protection and on/off/on functionality, the RVmarinepat KN3C-203A WPC-06 Updown Reverse Polarity Toggle Switch is an excellent choice. However, if you are on a tight budget or have limited space, you may want to consider other options with similar functionality but lower price points or smaller sizes.
Details:
About this item: dpdt latching: this 12v reverse polarity switch features 3 position design with 6 pins. The reverse polarity switch can be configured in two different manners, catering to both indoor and outdoor applications. Simple installation: the 6 pin 3 way dpdt toggle switch comes with a mounting panel for easy installation. The switch is rated for 15a at 250v ac and 30a 12v dc in an on-off-on configuration.
Waterproof cover: the 12v rv jack switch includes a waterproof cap cover, offering the flexibility to utilize it based on your requirements. Wide application: with a sturdy design and flame-retardant shell, this controller ensures durability. Our dedication remains in delivering top-notch products and attentive services.
specifications indusswitch:
- brand: Rvmarinepat
- mpn: Kn3c-203a
- part type: Switch
- circuit type: 3-way
- connector type: Spade
- current rating: 30 Amps
- included components: Toggle Switch
- mounting hole diameter: 12 Millimeters
- operation mode: On-off-on
- specification met: Ce
- color: Latching 6 Pin
- contact material: Copper
- control type: Motor Direction
- customer s: 4.9/5
- international protection rating: Ip65
- mounting type: Panel Mount
- operating voltage: 12 Volts
- switch type: Toggle
- unit count: 1.0 Count
- country of origin: United States
seller indusswitch:
- # reviews: 4061
- rating: 99.6%
- city: bloomington, california
returns indusswitch:
- paid by: seller
- policy: returns accepted
- method: money back
- time: 30 days
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Toggle Switches
offer indusswitch:
- availability: in stock
- started: march 17, 2026
- prices: $20.41–$20.99
- item condition: Brand New
- options: ship-to-home
- sold #: 24
- in stock #: 2
shipping indusswitch:
- class: expedited
- transit: 3-7 days
- service: expedited
- type: fixed
payments indusswitch:
- wallet: paypal
- other
- credit card: discover
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