Product Overview: 3-Pin SPDT Rocker Switch
The 3-Pin Rocker Switch is a versatile SPDT (Single Pole Double Throw) toggle switch commonly used for power selection or state switching. Unlike a standard 2-pin switch that only turns a device “On” or “Off,” the 3-pin configuration allows you to divert a single power source between two different outputs (or “paths”). Its compact, snap-in design makes it a favorite for automotive dashboards, control panels, and custom electronics enclosures.
Technical Specifications
| Feature | Specification |
| Switch Type | Rocker (On-On or On-Off-On) |
| Configuration | SPDT (Single Pole, Double Throw) |
| Number of Pins | 3 Pins (Silver or Brass terminals) |
| Current Rating | 10A @ 125V AC / 6A @ 250V AC |
| DC Rating | 12V – 24V (Commonly used in 12V systems) |
| Contact Resistance | ≤ 35 mΩ |
| Insulation Resistance | ≥ 100 MΩ @ 500VDC |
| Dielectric Strength | 1500V AC for 1 minute |
| Operating Temp. | -25°C to +85°C |
Key Features
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Three-Terminal Versatility: Operates as a “changeover” switch, allowing you to toggle between two different loads or functions.
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Ergonomic Actuator: Features a smooth rocking motion with a distinct tactile “click” for reliable feedback.
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High-Quality Terminals: Typically features silver-plated brass terminals for superior conductivity and ease of soldering.
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Universal Snap-In Fit: Designed to lock into standard rectangular or circular panel cutouts (depending on the specific shell shape).
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Wide Application Range: Rated for both AC mains and DC low-voltage applications, from home appliances to DIY robotics.
Pin Configuration
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Pin 1 (Outer): Output Path A
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Pin 2 (Center/Common): Power Input (COM)
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Pin 3 (Outer): Output Path B
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