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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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Product OverviewThe 12mm 2 pin push button switch (Model: FLM12-FJ-1) is a high-performance industrial control component manufactured by FILN. This 12mm metal push button switch features a robust stainless steel construction, offering superior durability compared to plastic alternatives. With ISO9001, CE, VDE, RoHS, SGS, UL, and IP65 certifications, it ensures safety and reliability across various environments. Designed for momentary action, this mini round metal button switch is perfect for industrial control panels, CNC machines, and marine systems. Its 2 pin momentary switch terminal design allows for rapid installation and stable electrical conductivity, making it an essential corrosion resistant 2 pin switch for modern automation.
| Model Number | FLM12-FJ-1 |
| Mounting Hole Size | 12mm (0.47 inch) |
| Switch Function | Momentary/Latching |
| LED Color | Non-Illuminated (No Light) |
| Button Shape | Flat Head |
| Terminal Type | 2-Pin Pin Terminal (2.8x0.5mm) |
| Rated Voltage | 36V DC / 250V AC |
| Rated Current | 5A DC / 5A AC |
| Rated Power | 180W (DC) / 1250W (AC) |
| Insulation Resistance | ≥ 1000MΩ |
| Contact Resistance | < 50mΩ |
| Certifications | ISO9001, CE, UL, RoHS, REACH |

| Button Actuator | 304 Stainless Steel / 6063 Aluminum Alloy |
| Shell/Body | H59 Brass / 304 Stainless Steel |
| Terminals | H62 Copper Alloy |
| Base | PA66+GF20% Flame Retardant Nylon |
| Contacts | Silver Contact AgCdO12 |
| Sealing | SIL Silicone (IP65) |
| Operating Temperature | -25°C to +85°C |
| Protection Level | IP65 Waterproof, IK08 Vandal-proof |
| Mechanical Life | 500,000 Cycles |
| Electrical Life | 100,000 Cycles (3A) / 50,000 Cycles (5A) |
| Terminal Type | Installation Speed | Reliability | Best Use Case |
|---|---|---|---|
| Pin Terminal (2 Pin) | Fast (Plug-in/Solder) | High | Mass Production / PCBs |
| Screw Terminal | Slow (Manual) | Medium | On-site Maintenance |
| Pre-wired Leads | Instant | Highest (Sealed) | Underwater/Tight Spaces |

The 2-pin momentary switch operates on a simple Normally Open (NO) logic. The circuit completes only when the button is held down.
Wiring Logic: Power (+) connects to Pin 1; Device (+) connects to Pin 2.
A 12mm metal push button switch is a compact electrical component used to control the flow of current in a circuit. In industrial settings, these switches are favored for their durability and "vandal-proof" nature. They are panel-mounted and provide a tactile response to the user, ensuring clear operation feedback. Being "momentary" means they only maintain their state while actively being pressed.
| Feature | Momentary (This Model) | Latching (Push-Lock) |
|---|---|---|
| Action | Springs back after release | Stays depressed/locked |
| State Reset | Automatic | Requires second press |
| Common Use | Horns, Doorbells, PC Start | Light switches, Power Mains |
FILN Official Website: www.filn.com
Contact Us: inquiry@cnylin.com.cn

1. What material is used for the FLM12-FJ-1?
We use high-grade 304 stainless steel for the shell to ensure it is a corrosion resistant 2 pin switch.
2. Does the switch click when pressed?
Yes, it provides a distinct tactile click to confirm the 12mm metal push button switch has been activated.
3. Can I get this with pre-soldered wires?
Yes, FILN offers wire length customization and connector customization for all push button switches.
4. What is the difference between 2-pin and 3-pin?
A 2-pin switch is a basic ON/OFF (Normally Open), while a 3-pin offers both Normally Open and Normally Closed options.
5. Is this button suitable for automotive use?
Yes, it is widely used as a car horn or starter button due to its 5A current rating and durability.
6. How long will this switch last?
It has a mechanical life of 500,000 cycles, ensuring years of trouble-free operation in industrial environments.
7. Do you provide a gasket for the 12mm mounting?
Yes, every switch includes a SIL silicone waterproof ring and a metal hex nut for secure installation.
8. Can I use this for outdoor marine panels?
Yes, the stainless steel body and IP65 rating protect it from salt spray and moisture.
9. Are free samples available?
Yes, industrial buyers can contact us at inquiry@cnylin.com.cn for free product samples.
10. What certifications does FILN have?
Our factory is ISO9001 certified, and products carry CE, UL, VDE, and RoHS marks.
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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