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Find Perfect Solutions in TFN

A fiber fusion splicer is a device used to join two optical fibers. It works by generating an electric arc that melts the fiber ends, creating a low-loss, high-strength permanent connection that ensures efficient signal transmission.




| Model | S3 |
| Average Fusion Loss | SM: 0.02dB / MM: 0.01dB / DS: 0.04dB / NZDS: 0.04dB / G657: 0.02dB |
| Return Loss | >60dB |
| Splicing Time | Standard 7 seconds (SM), FAST mode 6 seconds |
| Fits Fiber | SM/MM/NZDS/G657 fibers and 0.2-3.0mm fibers, flat indoor cables |
| Motors | 4 |
| Heater Heat Shrink Tubing Support | 40mm/60mm/SOC-3.0/SOC-0.9 |
| Battery Capacity & Runtime | 5200mAh lithium battery, typically supports 240 welds + heating cycles |
| Display and Observation | 4.3-inch touchscreen, dual cameras, 500x magnification (X/Y/X-Y modes) |
| Power Input | AC 100-240V or DC 9-14V |


“I’m really impressed with the TFN fusion splicer. The operation is extremely simple and intuitive, even for new technicians. We’ve been using it on many fiber projects, and it delivers consistent, low-loss connections every time.”
John M.
“We had some technical questions during setup, and their team responded immediately with clear guidance. The after-sales support is professional and reliable. They cares about their customers, not just the sale.”
Mr.Chen
“The build quality of the fusion splicer is outstanding. I’ve used other brands before, but TFN’s splicer stands out for its precision and complete toolkit. It’s helped our team finish fiber installations faster and with fewer issues.”
Carlos R.
Yes. We understand the importance of proper operation of professional instruments.
Basic Training: We provide a detailed English operating manual.
Online Remote Training: We can provide real-time online operation training and Q&A for you and your team via video conferencing software (such as Zoom and Teams).
On-site Training: Based on project requirements, we can arrange for our engineers to conduct in-depth on-site training (travel expenses are subject to negotiation).
Training content can be customized to your specific application scenario.
We have all four models of cable blowers in stock. Please confirm it with our sales representative. We recommend air freight for the cable blower and hydraulic pump station (required only for the T700CY). If you need to add an air compressor, sea freight is preferred. Please confirm the lead time with your shipping agent. For shipping safety, we do not include any fluids (lubricants) with the package. You can purchase these fluids separately from us or locally.
We are confident in the quality and reliability of our products.
We offer a standard 12-month warranty on all instruments, starting from the date of arrival at the port of destination.
Extended warranties are also available; please contact our sales team for details.