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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
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Quick-connect wiring harness designed specifically for FILN 30A KCD4 series rocker switches. Pre-wired for faster installation, easier replacement, and cleaner electrical connections.
The FILN KCD4-03-FJ Wire Harness for Rocker Switch is a dedicated quick-connect wiring solution for FILN's split-type black housing 30A rocker switches. It combines a pre-wired connector base with high-quality electrical wires, allowing users to connect the rocker switch quickly without preparing individual wires and terminals.
This rocker switch wiring harness is designed for fast installation, convenient maintenance, and easy switch replacement. Simply connect the harness to the compatible FILN KCD4 rocker switch and connect the wire leads to the equipment circuit. The pre-installed wires help reduce wiring work and improve installation efficiency.
Two connector configurations are available: 4-PIN and 6-PIN, allowing the harness to match different KCD4 rocker switch functions.
| Specification | Details |
|---|---|
| Product Model | KCD4-03-FJ |
| Product Type | Wire Harness for Rocker Switch |
| Compatible Switch | FILN KCD4 Series 30A Rocker Switch |
| Connector Type | 4-PIN / 6-PIN |
| Connector Housing | Black PA66 |
| Wire Specification | AWG14 Standard Wire |
| Standard Wire Length | 20 cm per wire |
| Wire Length | Customizable |
| Connection Method | Quick Plug-In Connection |
The 4-PIN wire harness is designed for compatible FILN KCD4 rocker switches with an ON-OFF switching function.
The 6-PIN wire harness is designed for compatible FILN KCD4 rocker switches using ON-OFF-ON or ON-ON functions.
The pre-wired design eliminates the need to prepare separate wires and connectors, helping reduce installation time.
The quick-connect structure makes it easier to disconnect and replace a compatible rocker switch during maintenance.
Factory-installed wires provide a ready-to-connect solution for equipment builders, installers, and maintenance teams.
Standard wire length is 20 cm, while custom wire lengths can be produced according to your equipment and installation requirements.
A rocker switch is an electrical control device operated by pressing one side of the rocker actuator. FILN's KCD4 series is designed for high-current applications where reliable switching and convenient panel installation are required.
The compatible FILN KCD4 high-current rocker switch is available for applications requiring up to 30A at 250VAC. The switch is commonly used in industrial equipment, marine applications, control panels, appliances, vehicles, and other electrical equipment requiring high-current switching.
The KCD4-03-FJ wire harness is developed as a dedicated connection accessory for this type of switch, providing a practical way to simplify wiring and replacement.
The Wire Harness for Rocker Switch is suitable for equipment and electrical systems using compatible FILN KCD4 30A rocker switches.
Standard KCD4-03-FJ wire harnesses are supplied with 20 cm wires. For equipment manufacturers, distributors, and bulk buyers, FILN can produce customized wire lengths according to specific installation requirements.
Contact FILN with your required wire length, quantity, and compatible rocker switch configuration. Customized wire harness production is available for project and bulk-order requirements.
| Rocker Switch Function | Recommended Harness |
|---|---|
| ON-OFF | 4-PIN KCD4-03-FJ |
| ON-OFF-ON | 6-PIN KCD4-03-FJ |
| ON-ON | 6-PIN KCD4-03-FJ |
1. What is a Wire Harness for Rocker Switch?
It is a pre-wired connector assembly designed to connect a compatible rocker switch to an electrical circuit quickly and conveniently.
2. What rocker switches are compatible with the KCD4-03-FJ?
The KCD4-03-FJ is designed specifically for compatible FILN KCD4 series 30A rocker switches with the corresponding split-type black housing.
3. What is the difference between the 4-PIN and 6-PIN versions?
The 4-PIN version is designed for ON-OFF rocker switches. The 6-PIN version is designed for ON-OFF-ON and ON-ON rocker switch functions.
4. What wire is used in this rocker switch wiring harness?
The standard KCD4-03-FJ uses AWG14 wire.
5. How long are the standard wires?
The standard wire length is 20 cm per wire.
6. Can the wire length be customized?
Yes. FILN can customize the wire length according to project and installation requirements.
7. Why use a quick-connect rocker switch harness?
A pre-wired harness simplifies installation, reduces individual wiring work, and makes compatible rocker switch replacement faster and more convenient.
Choose the 4-PIN or 6-PIN KCD4-03-FJ harness for your compatible FILN 30A rocker switch. Custom wire lengths are available for bulk and equipment manufacturing requirements.
Contact FILN for Custom Requirements
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
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