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A lighted rocker switch is an electromechanical component designed to open or close an electrical circuit while providing visual status feedback via an integrated LED or neon lamp. The FL3-KCD1-011-11N is a 13X19.5MM mini rocker switch featuring a square actuator. It allows operators to confirm the "ON" state at a glance, which is critical for safety in dark industrial environments. This switch utilizes a rocking motion to bridge internal contacts, serving as a reliable interface for power management.
The FILN lighted rocker switch (Model: FL3-KCD1-011-11N) is a high-performance 13x19.5mm control unit. It is engineered with a high-load capacity of 30A 250VAC, making it a robust choice for heavy-duty industrial applications. Certified by ISO9001, CE, VDE, RoHS, SGS, and UL, it guarantees global safety compliance. The IP65 waterproof rating ensures durability in harsh conditions. With 5 LED colors available (Red, Green, Yellow, Blue, White), it provides versatile signaling for industrial control, medical equipment, and home appliances. Its snap-in installation and 3-pin termination facilitate rapid assembly and secure electrical connection.
| Model Number | FL3-KCD1-011-11N |
| Mounting Hole Size | 13X19.5MM / 0.51X0.77 inch |
| Function | ON-OFF |
| LED Colors | R / G / Y / B / W |
| Voltage Options | 5-24V / 110-220V (Customizable) |
| Head Style | Square Appearance |
| Wiring Type | 3-Pin Terminals (Pins) |
| Property | Technical Value |
| Rated Voltage/Current | 30A 250VAC / 18(12)A 125VAC |
| Initial Contact Resistance | ≤50mΩ |
| Insulation Resistance | ≥100mΩ / 500VDC |
| Dielectric Strength | 1500VAC / 5mA 60s |
| Electrical Life (Endurance) | 10,000 cycles |
| Operating Temperature | -40T125 |
| Protection Degree | IP65 / IP66 |
| Compliance | ISO9001, CE, VDE, RoHS, SGS, UL |

| Part Name | Material Selection |
| Transparent Sheet / Light Guide | PC (Polycarbonate) |
| Holder / Up Base / Middle Base | ABS (Acrylonitrile Butadiene Styrene) |
| Bottom Base | PA66 (Nylon 66) |
| Waterproof Cover / Washer | Rubber |
| Pin / Spring Board | Brass H62 |
| Contact Point | AgCdO12 (Silver Alloy) |
| Spring | 72# Spring Steel |
| Iron Case | 08F Low Carbon Steel |
| Lamp Component | High-Efficiency LED |
| Application Range | General use for KCD4 and KCD1 rocker switches. |
| Temperature Limits | Operating & Storage: -40℃ to +125℃ |
| Relative Humidity | 45% to 85% RH |
| Testing Conditions | Temp: 5-35℃; Pressure: 86-106Kpa (860-1060mbar) |
| Project | Test Condition | Requirement |
| Insulation Resistance | Load 500VDC for 60±5S. | ≥100MΩ |
| Terminal Strength | 80N static load applied for 60s. | No damage or drop-off. |
| Mechanical Life | 60 operations/min (No load). | 20,000 cycles. |
| Weather Resistance | Humidity 91%-95% RH at 40±2℃ for 96h. | Contact Resistance ≤200mΩ. |
The lighted rocker switch is widely used in power control due to its high load capacity and intuitive feedback:


A 3 pin rocker switch wiring diagram is vital for projects requiring control over two separate electrical circuits. This specific configuration, commonly found in KCD1 series switches, operates as a Single Pole Double Throw (SPDT) switch with an "On-Off-On" functionality. It allows a single power source to alternate between two different devices or to remain in a central neutral position where both are disconnected.
Wiring a 3-way non-illuminated switch involves managing a common power input and two independent output loads. Follow these steps for a correct setup:
| Switch State | Device 1 Status | Device 2 Status |
|---|---|---|
| UP Position | OFF | ON (Active) |
| Normal (Middle) | OFF (Resting) | OFF (Resting) |
| DOWN Position | ON (Active) | OFF |
Figure 1: 3-Pin 3-Way Rocker Switch Connection Schematic
Professional Circuit Control Solutions:
Browse Our Full Range of Rocker SwitchesA rocker switch works using a see-saw mechanism. When one side is pressed, an internal bridge tilts to make or break electrical contact between terminals. Compared to push-button switches, rocker switches offer higher current ratings, longer life, and easier installation via snap-in mounting. The LED version adds a diagnostic layer, allowing users to see the circuit status in darkness instantly.
FILN is a world-class manufacturer of electrical components, supporting global distribution and OEM/ODM projects.
FILN Official Website: www.filn.com
Contact: inquiry@cnylin.com.cn
Q1: What does each LED color represent?
A: Red/Green are for Start/Stop status; Yellow for Caution; Blue/White for General status or aesthetic differentiation.
Q2: Is the 30A rating safe for industrial heaters?
A: Yes, the 30A capacity handles high-current loads safely, backed by UL and CE certifications.
Q3: Can I customize the terminal type?
A: Yes, FILN provides custom terminal pins or pre-wired lead options upon request.
Q4: Is the KCD1 series waterproof?
A: It reaches IP65 protection when used with the specific rubber cover provided by FILN.
Q5: What is the benefit of a snap-in installation?
A: It significantly reduces assembly time as no screws or additional hardware are required to secure the switch to the panel.
Q6: Does the switch work with 110V AC?
A: Yes, we provide voltage customization for 5V-24V DC and 110V-220V AC applications.
Q7: What is the electrical life of the switch?
A: It is tested for 10,000 cycles under full rated load conditions.
Q8: What material is the actuator made of?
A: High-grade ABS for standard models or PC for transparent illuminated sections.
Q9: How do rocker switches compare to push buttons?
A: Rockers typically handle higher current loads and provide a clear "toggled" visual position.
Q10: Where can I find the 3 pin rocker switch wiring diagram?
A: Detailed wiring schematics are provided in the installation section above or via FILN technical support.
At FILN, we specialize in delivering precision-engineered indicator lights, push button switches, and rocker switches tailored to your unique requirements. While our products default to standard voltage ranges (12-24V and 110-220V), we understand that specialized applications demand flexibility.
Need a Custom Voltage Solution? Simply inform us of your desired voltage specifications (e.g., 5V, 48V, or non-standard ranges), and our engineering team will craft a solution within 10-15 business days.
✅ Expertise You Can Trust: Over 20 years of experience in industrial-grade electronic component production.
✅ End-to-End Customization: From voltage adjustments to bespoke designs (shape, color, IP rating), we adapt to your needs.
✅ Quality Guaranteed: All custom orders undergo rigorous testing to meet CE/RoHS/IP65 standards.
✅ Scalable Support: Whether prototyping or bulk orders, we ensure seamless delivery.
Consultation: Share your technical requirements via email or our contact form.
Design & Approval: Receive 3D models or samples for confirmation.
Production & QC: Precision manufacturing with real-time updates.
Global Shipping: Trackable logistics to your doorstep.
Email: inquiry@cnylin.com.cn
Overall a solid 12V miniature rocker switch. The 3-pin spade feet are very practical for pre-wired harnesses. The green LED indicator is easy to read. Ensure your cutout is exactly 15x21mm for a tight snap fit. We selected this FILN Lighted Rocker Switch KCD1 (White LED transparent cap, 15x21mm mount) for our audio amplifier power control housing. Solid switch click and silicone seal frame prove extremely reliable.
If your panel hole is slightly oversized, the snap-in clips may feel loose. Make sure to cut precisely to 15x21mm for a secure fit.
Thank you for the installation tip. We recommend checking panel thickness and cutout dimensions for optimal snap-in retention.
Installed on a off-road utility vehicle auxiliary accessory pod. Fantastic 12V switch! Toggles smoothly with a positive tactile click. The 3 spade terminals hold 4.8mm push-on connectors securely without flexing. The 12V Blue LED illumination through the transparent rocker cap is vivid and the 3-pin quick disconnects make panel wiring straightforward.
The miniature size fits our control housing nicely. Packaging was slightly delayed in transit, but the switch operates reliably on our 12V test circuit.
Thank you for your feedback. We are continuously improving our dispatch speed and packaging to ensure prompt delivery.
High build quality for our industrial sensor calibration test box. As an electronics assembly technician, terminal retention and switch tactile feel matter. Tested this FILN KCD1 switch under continuous cycling. Terminals remained firm and the click action stayed crisp. Fits standard 15mm x 21mm panel cutouts cleanly and 3-pin spade legs hold push-on connectors securely.
Used this miniature rocker switch on a portable solar generator power box. The 3-pin quick disconnects speed up wiring, and the transparent actuator glows brightly when active. We selected this FILN Lighted Rocker Switch KCD1 (Yellow LED transparent cap, 15x21mm mount) for our marine electronics dash monitor enclosure. Solid switch click and silicone seal frame prove extremely reliable.
Installed on a model railroad control panel console. Needed a dependable small waterproof switch for an auxiliary control pod. Standard switches were too bulky. FILN's KCD1 switch with its transparent cap and built-in seal solved our space constraints completely. The 12V Green LED illumination through the transparent rocker cap is vivid and the 3-pin quick disconnects make panel wiring straightforward.
High build quality for our custom motorcycle auxiliary handlebar switch housing. Overall a solid 12V miniature rocker switch. The 3-pin spade feet are very practical for pre-wired harnesses. The green LED indicator is easy to read. Ensure your cutout is exactly 15x21mm for a tight snap fit. Fits standard 15mm x 21mm panel cutouts cleanly and 3-pin spade legs hold push-on connectors securely.
The miniature size fits our control housing nicely. Packaging was slightly delayed in transit, but the switch operates reliably on our 12V test circuit.
Thank you for your feedback. We are continuously improving our dispatch speed and packaging to ensure prompt delivery.
Extremely satisfied with these waterproof miniature rocker switches. The silicone frame seal blocks water and dust effectively in our portable gear. We selected this FILN Lighted Rocker Switch KCD1 (Blue LED transparent cap, 15x21mm mount) for our portable solar generator power distribution box. Solid switch click and silicone seal frame prove extremely reliable.
Installed on a compact 12V instrument test bench console. Ordered a batch of green and red LED units for custom equipment control boxes. Fast shipping, well packed, and 100% passed continuity testing on arrival. The 12V Red LED illumination through the transparent rocker cap is vivid and the 3-pin quick disconnects make panel wiring straightforward.
High build quality for our mobile service cart 12V accessory panel. Fits standard 15x21 cutout with zero side-to-side play. The 3 spade terminals are well isolated to prevent short circuits. Fits standard 15mm x 21mm panel cutouts cleanly and 3-pin spade legs hold push-on connectors securely.
Replaced cheap unsealed switches on a mobile test rig. The FILN switch feels substantially better—snaps into place cleanly and the spade legs make wiring very efficient. We selected this FILN Lighted Rocker Switch KCD1 (Red LED transparent cap, 15x21mm mount) for our robotics development chassis power module. Solid switch click and silicone seal frame prove extremely reliable.
Installed on a commercial vending machine interface board. Overall a solid 12V miniature rocker switch. The 3-pin spade feet are very practical for pre-wired harnesses. The green LED indicator is easy to read. Ensure your cutout is exactly 15x21mm for a tight snap fit. The 12V White LED illumination through the transparent rocker cap is vivid and the 3-pin quick disconnects make panel wiring straightforward.
High build quality for our laboratory environmental chamber monitor. Fantastic 12V switch! Toggles smoothly with a positive tactile click. The 3 spade terminals hold 4.8mm push-on connectors securely without flexing. Fits standard 15mm x 21mm panel cutouts cleanly and 3-pin spade legs hold push-on connectors securely.
As an electronics assembly technician, terminal retention and switch tactile feel matter. Tested this FILN KCD1 switch under continuous cycling. Terminals remained firm and the click action stayed crisp. We selected this FILN Lighted Rocker Switch KCD1 (Red LED transparent cap, 15x21mm mount) for our audio amplifier power control housing. Solid switch click and silicone seal frame prove extremely reliable.
Installed on a off-road utility vehicle auxiliary accessory pod. Used this miniature rocker switch on a portable solar generator power box. The 3-pin quick disconnects speed up wiring, and the transparent actuator glows brightly when active. The 12V Red LED illumination through the transparent rocker cap is vivid and the 3-pin quick disconnects make panel wiring straightforward.
High build quality for our industrial sensor calibration test box. Needed a dependable small waterproof switch for an auxiliary control pod. Standard switches were too bulky. FILN's KCD1 switch with its transparent cap and built-in seal solved our space constraints completely. Fits standard 15mm x 21mm panel cutouts cleanly and 3-pin spade legs hold push-on connectors securely.
Overall a solid 12V miniature rocker switch. The 3-pin spade feet are very practical for pre-wired harnesses. The green LED indicator is easy to read. Ensure your cutout is exactly 15x21mm for a tight snap fit. We selected this FILN Lighted Rocker Switch KCD1 (Yellow LED transparent cap, 15x21mm mount) for our marine electronics dash monitor enclosure. Solid switch click and silicone seal frame prove extremely reliable.
Installed on a model railroad control panel console. Extremely satisfied with these waterproof miniature rocker switches. The silicone frame seal blocks water and dust effectively in our portable gear. The 12V White LED illumination through the transparent rocker cap is vivid and the 3-pin quick disconnects make panel wiring straightforward.
The miniature size fits our control housing nicely. Packaging was slightly delayed in transit, but the switch operates reliably on our 12V test circuit.
Thank you for your feedback. We are continuously improving our dispatch speed and packaging to ensure prompt delivery.
High build quality for our custom motorcycle auxiliary handlebar switch housing. Ordered a batch of green and red LED units for custom equipment control boxes. Fast shipping, well packed, and 100% passed continuity testing on arrival. Fits standard 15mm x 21mm panel cutouts cleanly and 3-pin spade legs hold push-on connectors securely.
Fits standard 15x21 cutout with zero side-to-side play. The 3 spade terminals are well isolated to prevent short circuits. We selected this FILN Lighted Rocker Switch KCD1 (Blue LED transparent cap, 15x21mm mount) for our portable solar generator power distribution box. Solid switch click and silicone seal frame prove extremely reliable.
Installed on a compact 12V instrument test bench console. Replaced cheap unsealed switches on a mobile test rig. The FILN switch feels substantially better—snaps into place cleanly and the spade legs make wiring very efficient. The 12V Red LED illumination through the transparent rocker cap is vivid and the 3-pin quick disconnects make panel wiring straightforward.
High build quality for our mobile service cart 12V accessory panel. Overall a solid 12V miniature rocker switch. The 3-pin spade feet are very practical for pre-wired harnesses. The green LED indicator is easy to read. Ensure your cutout is exactly 15x21mm for a tight snap fit. Fits standard 15mm x 21mm panel cutouts cleanly and 3-pin spade legs hold push-on connectors securely.
Fantastic 12V switch! Toggles smoothly with a positive tactile click. The 3 spade terminals hold 4.8mm push-on connectors securely without flexing. We selected this FILN Lighted Rocker Switch KCD1 (Red LED transparent cap, 15x21mm mount) for our robotics development chassis power module. Solid switch click and silicone seal frame prove extremely reliable.
Installed on a commercial vending machine interface board. As an electronics assembly technician, terminal retention and switch tactile feel matter. Tested this FILN KCD1 switch under continuous cycling. Terminals remained firm and the click action stayed crisp. The 12V Red LED illumination through the transparent rocker cap is vivid and the 3-pin quick disconnects make panel wiring straightforward.
High build quality for our laboratory environmental chamber monitor. Used this miniature rocker switch on a portable solar generator power box. The 3-pin quick disconnects speed up wiring, and the transparent actuator glows brightly when active. Fits standard 15mm x 21mm panel cutouts cleanly and 3-pin spade legs hold push-on connectors securely.
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