Rocker Switch Drawing
What is a 2 Way Rocker Switch?
A 2 way rocker switch, specifically the FL3-KCD1-121-11X model, is a fundamental electromechanical component used to manually control the flow of electricity in a circuit. Known as a Single Pole Single Throw (SPST) device, it features a simple ON-OFF mechanism. The "2-way" terminology refers to its two distinct terminal pins that allow for a complete circuit bridge or interruption. These switches are prized for their long service life, ease of wiring, and high reliability in both AC and DC environments.
Product Overview
The FILN 2 way rocker switch is an industry-standard KCD1 series mini round switch designed for a φ19.6MM mounting hole. This model features a sleek, non-illuminated black finish, providing a professional and "classic" aesthetic that blends seamlessly into any control panel. Manufactured using premium Nylon PA66 and Silver Contacts, it ensures optimal conductivity and heat resistance. With global certifications including ISO9001, CE, VDE, RoHS, SGS, UL, and IP65, this switch is engineered for safety and durability across automotive, medical, and industrial sectors.
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View the Full FILN Rocker Switch Collection →Quick Specifications
| Attribute | Details |
|---|---|
| Model Number | FL3-KCD1-121-11X |
| Mounting Size | φ19.6MM (0.77 inches) |
| Function | ON-OFF (SPST) |
| LED Color | Non-Illuminated (Black) |
| Head Shape | Round Cap (Mini Series) |
| Terminal Type | 2-Pin Quick-Connect Pins |
Electrical Performance Parameters
| Rated Voltage | 30A 250VAC / 18(12)A 125VAC |
| Contact Resistance | ≤50mΩ (Initial) |
| Insulation Resistance | ≥100mΩ / 500VDC |
| Dielectric Strength | 1500VAC / 5mA 60s |
| Electrical Life | 10,000 Cycles |
| Protection Degree | IP65 / IP66 Standard |
| Certifications | ISO9001, CE, VDE, RoHS, SGS, UL |
Component Materials
| Accessory Name | Material |
|---|---|
| Transparent Sheet / Light Guide | Polycarbonate (PC) |
| Switch Holder / Up Base | ABS High-Impact |
| Bottom Base | Nylon PA66 (Flame Retardant) |
| Pins / Spring Board | H62 Brass |
| Contacts | Silver Alloy AgCdO12 |
| Waterproof Cover / Washer | Nitrile Rubber |
General Characteristics
| Operating Temperature | -40℃ to +125℃ |
| Relative Humidity | 45% ～ 85% RH |
| Air Pressure Range | 86 ～ 106 Kpa |
| Appearance | Clean, no oxidation or plating defects |
Electric & Mechanical Durability
| Project | Requirement |
|---|---|
| Solderability | 90% coverage at 235±5℃ |
| Mechanical Life | 20,000 operations (No Load) |
| Terminal Strength | Withstands 80N static load for 60s |
| Thermostability | Passes 72 hours at 125±2℃ |
Industry Applications
- Home Appliances: Water dispensers, air fryers, and vacuum cleaners.
- Industrial Control: Power distribution boxes and CNC machinery panels.
- Automotive & Marine: RV light control, bilge pumps, and dashboard auxiliary functions.
- Medical Devices: Centrifuges and diagnostic ultrasound equipment.
- Office Equipment: Power strips (PDU) and high-speed printers.
Installation Guide
- Panel Preparation: Cut a precise φ19.6MM hole in your mounting surface.
- Alignment: Align the rocker switch cap with the orientation of your circuit (ON/OFF labels).
- Snap-In: Press the switch firmly into the cutout. The side clips will automatically lock it into place.
- Wiring: Attach the power source (+) to the first pin and the device load (+) to the second pin.
- Testing: Toggle the switch to ensure stable circuit engagement.
Complete 2 Pin Rocker Switch Wiring Diagram and Installation Guide
Understanding a 2 pin rocker switch wiring diagram is essential for safely implementing manual power control in your electrical circuits. A 2-pin rocker switch functions as a standard Single Pole Single Throw (SPST) mechanism, designed to either bridge or interrupt the flow of electricity to a connected load.
How to Wire a 2 Pin Rocker Switch: Step-by-Step Instructions
Wiring a non-illuminated 2-pin switch is straightforward. Follow this schematic logic to ensure a stable and professional installation:
- 1. Power Input (Line): Connect the positive (+) wire from your power source (e.g., a battery or DC power supply) to the first pin of the switch. This serves as the entry point for the current.
- 2. Load Output: Connect a wire from the second pin of the switch to the positive input terminal of your device (such as an LED indicator, motor, or industrial component).
- 3. Completing the Circuit: Connect the negative (-) terminal of the device directly back to the negative terminal of the power source. Note that since this is a 2-pin non-lighted switch, the switch housing itself does not require a ground connection.
Switch Operation Logic & Technical Specifications
| Switch State | Device Status (Load) | Internal LED Status |
|---|---|---|
| Normal (Off Position) | OFF (Open Circuit) | None (Non-Illuminated) |
| Pressed (On Position) | ON (Closed Circuit) | None (Non-Illuminated) |
Critical Installation Precautions
- Electrical Ratings: Always verify the voltage and amperage ratings stamped on the switch body (e.g., 6A 250VAC or 20A 12VDC). Exceeding these limits can cause terminal overheating.
- Terminal Security: Ensure you use the correct size of insulated spade connectors (typically 4.8mm or 6.3mm) to prevent short circuits and ensure mechanical stability in high-vibration environments.
- Polarity Practice: While mechanical 2-pin switches are not polarity-sensitive, it is best practice to install the switch on the positive (hot) side of the circuit rather than the neutral/negative side for safety.
Figure 1: Standard Wiring Configuration for a 2-Pin Rocker Switch
Industry Knowledge: How It Works
In industrial systems, the rocker switch acts as the primary gatekeeper for electrical currents. It operates on a mechanical pivoting principle: when the "ON" side is pressed, an internal metallic "rocker" arm bridges two stationary contacts, allowing current to flow. When toggled to "OFF," the arm tilts away, creating an air gap that breaks the circuit instantly. This specific 2 way rocker switch is favored in industrial design for its "tactile feedback," allowing operators to verify the switch state even in low-visibility or high-vibration environments.
Factory Direct Supply & Customization
FILN is a premier manufacturer specializing in custom 2 way rocker switch solutions. We offer:
- No Minimum Order Quantity (MOQ): Support for both prototyping and mass production.
- Rapid Delivery: Optimized lead times for global shipping.
- Bespoke Customization: Custom wire lengths, connector types, and laser-etched symbols.
FILN Official Website: www.filn.com
Contact Us: inquiry@cnylin.com.cn
Frequently Asked Questions
1. What is a 2 pin 2 way rocker switch?
It is an SPST (Single Pole Single Throw) switch with two terminals that controls the power flow to a single circuit in an ON-OFF configuration.
2. Can I use this 19mm rocker switch for 12V DC and 250V AC?
Yes, the FILN KCD1 series is rated for both high AC voltages (up to 250V) and common DC voltages like 12V or 24V.
3. Why choose a non-illuminated black rocker switch?
Non-illuminated switches are more durable as they lack a delicate internal LED. They provide a clean, professional look for devices used in bright environments where light indicators are unnecessary.
4. How do I install this snap-in switch?
Simply prepare a φ19.6MM hole and push the switch through from the front. The built-in plastic clips lock it securely against the panel.
5. Is this switch waterproof?
This model meets IP65 standards when used with a rubber boot, making it resistant to dust and low-pressure water splashes.
6. What material is used for the contacts?
We use AgCdO12 silver contacts to ensure low electrical resistance and a lifespan exceeding 10,000 cycles.
7. Does FILN offer customized wire harnesses for these switches?
Yes, we provide factory-direct customization including pre-soldered wires, custom connectors, and specific wire lengths.
8. What certifications does this switch hold?
The switch is certified by UL, CE, VDE, RoHS, and SGS, ensuring it meets international safety standards for export.
9. What is the maximum current this switch can handle?
It is rated for 30A at 250VAC, making it suitable for high-power industrial equipment.
10. Is Nylon PA66 better than standard plastic for switches?
Yes, Nylon PA66 offers superior heat resistance (up to 125℃) and better structural integrity for industrial usage.
Dear Valued Customers,
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.
Why Choose FILN for Custom Manufacturing?
✅ 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.
How It Works
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.
Contact Us Today
Email: inquiry@cnylin.com.cn
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