Description
Boat Rocker Switch ON-OFF-ON (KCD4-203 / SW-3)
The KCD4-203 (SW-3) Boat Rocker Switch is a heavy-duty, three-position (ON-OFF-ON) power control component. Engineered for demanding environments, this switch provides the high 16A current capacity and professional-grade durability required for industrial machinery, automotive control, and complex power management systems where selecting between two distinct active circuit paths is necessary.
Key Features
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Versatile Three-Position Operation: Features an ON-OFF-ON latching configuration with a secure center-OFF position, allowing for safe, deliberate switching between two different circuit states or power sources.
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Superior 16A High-Load Capacity: Rated for 16A at 250V, this switch is designed to handle heavier electrical loads than standard 15A models, providing an extra margin of safety for high-demand industrial equipment.
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DPDT (Double Pole Double Throw) Configuration: Allows for simultaneous switching across two independent lines, ensuring complete circuit isolation and reliable operation for professional-grade power distribution.
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Rugged Construction: Built with impact-resistant, heat-tolerant thermoplastic to ensure a long operational life and a consistent, professional tactile “click” even under frequent use.
Technical Specifications
| Feature | Specification |
| Model | KCD4-203 / SW-3 |
| Switch Type | DPDT (Double Pole Double Throw) |
| Action | ON-OFF-ON (Latching) |
| Current/Voltage | 16A / 250V AC |
| Body Material | Impact-Resistant Thermoplastic |
| Mounting | Snap-in panel mount |
Catalog Strategy
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Professional Imagery: Maintain your consistent aesthetic: clean, high-resolution imagery, pure white background, no retail packaging, and no labels. Highlighting the sturdy contact terminals is recommended for your professional storefront.
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SEO & Visibility: Optimize your listings with terms such as “KCD4-203 16A switch,” “Heavy-duty DPDT rocker switch,” and “SW-3 3-position power control” to ensure this component is easily found by technical buyers.
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Application Alignment: This switch is an excellent choice for users looking for a higher-amperage alternative to the KCD3 series for their industrial projects or power supply builds.

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