10 Best Fusion Splicer of 2025

Tested and Reviewed: Top 10 Fusion Splicer deals with expert ratings from 8.1 to a perfect 10

May 2025 Edition

Editor's Choice

9.7

Fujikura

Fujikura New Model FSM-90S+ FSM-90S Plus Core Alignment Single Mode OFS Fusion Splicer Welding Splicer with CT50 Cleaver

Editor's bottom line:

“This fusion splicer is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Package Accessories: Fusion splicer FSM-90S+, Fiber Cleaver CT50, Battery Pcak BTR-15, AC Adapter ADC-20, AC Power Cord ACC-14, USB Cable USB-01, Spare Electrode ELCT2-16B, Fusion Splicer Strap ST-02, Fiber Holder Set Plate SP-03
Hexagonal Wrench HEX-01, V-groove Cleaning Brush VCB-01, Carrying Case CC-39, Work Tray Left WT-09L, Work Tray Right WT-09R, Tripod Screw TS-03, Work Tray J-Plate JP-09, Carrying Case Strap ST-03, Alcohol Dispenser AP-02, Quick Reference Guide QRG-03-E
Core Alignment Technology The 90S+ fusion splicer has high precision lenses which provide accurate core to core alignment regardless of core-cladding concentricity error. Also, the lenses allow the splicer to discriminate between fiber types.
Advanced Image Processing Technology The 90S+ possesses advanced image processing technology which analyzes the profile of the fiber image as a brightness pattern. The 90S finds the true core position and achieves the consistent lower splice loss.
Fiber Discrimination Function: The 90S+ fusion splicer automatically identifies the optimum arc discharge parameters in accordance with the fiber type.

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Picked by 267 people today

9.5

Vikye

AI-9 Fusion Splicer, 5-Inch TFT LCD Screen, &MM Automatic Intelligent High Accuracy Optical Fiber Fusion Welding Splicing Machine 3-in-1 Fiber Holder, AC100-240V for, MM, DS, NZDS

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Main Highlights

Cutting-Edge Core Alignment: Equipped with the latest auto focusing technology and six precision motors, ensuring impeccable splicing accuracy every time.
Powerful Performance: Driven by an industrial quad-core CPU, this splicing machine responds swiftly, streamlining your workflow.
Intuitive Operation: Navigate effortlessly with the 5-inch 800X480 high-resolution touch screen, providing a user-friendly experience.
Enhanced Fiber Observability: Achieve up to 300 times magnification for easy visual inspection of fibers, enhancing precision and efficiency.
Swift Fusion: Experience rapid 5-second core alignment stitching and 15-second automatic heating, delivering speedy yet reliable results.

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9.5

KOMSHINE

KOMSHINE Fiber Fusion Splicer FX39 with 6 Motors Core Alignment Splicer, 4.3 Inch Touch Screen Optical Fiber Splicer w/ 6S Fast Splicing; 16S Heating, 0.01dB Splicing Loss + Power Meter -70~+6dBm

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Main Highlights

[ Komshine FX39 New Touch Screen Trunck Fusion Splicer Suit for Multi FTTH projects][ 6S fast splicing, 16S fast heating] ; [ 4.3 inch LCD color display]
[ 5000 times electrode service life; Tools-less electrodes replacement] ; [ Average splice loss 0.01dB] ; [ Provide the whole life technical support]
[ 3 IN 1 FIBER HOLDER- SM, MM, bare fiber, pigtail, rubber-insulated, multi fiber cable. Applicable Fibers:SM(G.652&G.657);MM(G.651);DS(G.657); NZDS(G.655) ]
[ Six-motor positioning]; [ Actual Splicing Loss SM: 0.02dB / MM: 0.01dB / DS: 0.04dB / NZDS: 0.04dB / G.657: 0.02dB]
[ 7800mAh battery, 400 cycles of splicing and heating]; [ Weight: -1.72kg (Without Battery).2.25kg (With Battery) ]
Extra OPM for you- High Precision Optial Power Meter KPM-35-G-A: Support 7 Wavelengths - 850/980/1300/1310/1490/1550/1625nm; Measurement Range -70~+6dBm; 2.5mm Universal Interface +SC; Support Self-calibration.

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9.2

QIIRUN

QIIRUN Fiber Optic Fusion Splicer with 4.3-inch Touch Screen, Optical Fiber Fusion Splicer Kit Features 7s Splicing and 18s Heating- 6481B Series

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Main Highlights

Key Technical Facts Matter 1) 4 high precision motors; 2) 7s fast splicing, 18s highly efficient heating; 3) 0.02dB ultra-low splicing loss; 4) 5mm fusion for ultra-short cleave length; 5) 320 times image magnification; 6) 300 groups of splice modes, 100 groups of heating modes, 10000 groups of fusion records storage
Easy to Operate, Wide Compatibility 1) 4.3-inch touch screen with graphical interfaces for smooth operation; 2) All-in-one fixture meets fusion demands of multiple optical fibers, jumpers and rubber-insulated wires; 3) Capable of dual-directional fusion; 4) Multiple fusion modes and heating modes are available
Other Features 1) High Precision Ceramic V-groove and ceramic presser foot, ensure fiber loading becomes more convenient and accurate, also easy for clean and maintenance; 2) Intelligent Heat Shrink, the heater wont work until the fiber is detected by the embedded sensor to avoid scalding
Pluggable large-capacity lithium-ion battery 6800mAh built-in battery satisfies 220 times of splicing and heating, good for longer field work
Compact Design, small and light -- 120mm (W)×130mm (H)×154mm (D), min. 1.7kg without battery. This Fiber Optic Fusion Splicer is water-resistant, dust-resistant, shock-resistant, high-temp-resistant. The light-weighted carry case can be used as working bench. Rich accessories such as spare electrodes, miller stripper, are also included in this toolbox

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9.0

Signal fire

Signal fire New Model AI-9 Fusion Splicing Six Motor Core Alignment Fiber Fusion Splicer Automatic FTTH Fiber Optical Welding Splicing 5S Heating 15S

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Main Highlights

Faster Splicing & Heating- The AI-9 fusion splicing machine uses a powerful high-speed motor that allows fast 5S splice and 15S heat, continuous splice and heats about 260 times. The UPGRADED TRANSPARENT HEATING SLOT has the function of heating part automatic lid closing, also it is compatible with SC fiber optic. Newly added cooling disc facilitates the simultaneous fusion of multiple sets of optical fibers.
Built-In Power Meter & VFL- Using the core alignment technology which is more precise and less splicing loss. Effectively measure connection loss,verify continuity and help assess fiber link transmission quality. OPM can be switched between six states, wavelength of 850nm 1300nm,1310nm,1490nm,1550nm,1625nm. VFL can be switched between three states, power: 15mW, 2Hz flashing and steady on mode.
3-in-1 Fiber Holder- 3 In 1 Fiber Holder suit for single-mode fiber (SMF/G 652), BIF/G.657); Suitable for single mode, multi-mode, bare fiber, tail fiber, skin fber, jumper, invisible fiber fusion; Splice Loss: 0.02dB (SM),0.01dB (MM),0. 04dB (DS/NZDS). The cladding diameter 80-150m.
Clear LCD & Long Time Standby- With 5-inch high resolution screen, it is up to 300 times the focus magnifications when X/Y Axis displayed separately, 150 times focused magnifications when X/Y Axis displayed simultaneously. 7800 mAh high-capacity lithium battery charging 3.5 hours.
Intelligent Interaction- This splicing heating machine can be connected to mobile app, ten different languages can be switched like English, French, Russia, Italian, Portuguese, polish, Spanish, Thai, Arabic which is convenient for customers to use. You can check the data by your mobile phone and downloaded or output at any time, also the splicing records can be stored"

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8.8

D YEDEMC

D YEDEMC SM&MM Automatic Intelligent Optical Fiber Fusion Splicer Optical Fiber Welding Splicing Machine (Ai-9) & Fiber Cleaver Kit … (Green_Box_Ai-9)

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Main Highlights

3 In 1 Fiber Holder suit for SM, MM, bare fiber, pigtail, rubber-insulated, multi fiber cable;Splice Loss:0.025dB(SM)0.01dB(MM)0.04dB(DS/NZDS);Fiber diameter:Cladding Diameter80-150mCoating Diameter100-1000m;Fiber Cleave Length:Coating less than 250µm8-16mmCoating less than 250-1000µm:16mm.
Built-In power meter (Wavelength 850nm/1300nm/1310nm/1490nm/1550nm/1625nm); Built-in Visual Fault Locator 2hz And Constantly Bright Mode.
With 5-inch 800X480 high-resolution screen, is up to 300 times focus magnifications;5s fast splicing 15s fast heating.Once splicing reaches to 50,000 times free replacement a new machine
Through the phone app, splicing is easy to operate.10 Languages to switch freely :English,french,Russion,Italian,Portuguese,Polish,Spanish,Thai,Arabic
Lifetime Friendly Customer Service,if have problem,pls contact us using the amazon message box,we will solve your problem in time and must give you a satisfactory solution .At the same time,you also need a little patience.

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8.6

D YEDEMC

D YEDEMC SM&MM Automatic Intelligent Optical Fiber Fusion Splicer Optical Fiber Welding Splicing Machine & Fiber Cleaver Kit (AI-20) (SD-9)

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Main Highlights

The fusion splicing machine uses a powerful high-speed motor that allows fast 5 second splice time and 11 second heat time, continuous splice and heats about 320 times. And it saving engineers time.
Built-In power meter (Wavelength 850nm/1300nm/1310nm/1490nm/1550nm/1625nm); Built-in Visual Fault Locator:15KM.
3 In 1 Fiber Holder suit for SM(G. 652&G. 657)MM (G. 651)DS(G. 657)NZDS (G. 655), bare fiber, pigtail, rubber-insulated, multi fiber cable; Splice Loss: 0.025dB (SM) 0. 01dB (MM) 0. 04dB (DS/NZDS).
4.3" High Resolution LCD Button and Touch Screen With 380X Magnification.Super sensitive touch function and ultra clear image display.Friendly And Intelligent Operation Interface..
6 Motors true optical fiber Core Alignement Automatic Fusion Splicer & Fiber Identification Function.Lower fusion loss,for trunk line construction, FTTH project, security monitoring etc. 6 Languages can choose.

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8.3

QIIRUN

QIIRUN Fusion Splicer AI-9 Toolbox Kit with Auto Focus and 6 Motors for Trunk Line Construction, AI-9 Fusion Splicer Fiber Optic with Tutorial Video for Cable Splicing Projects

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Main Highlights

High-end Fiber Optic Fusion Splicer - Core alignment technology with auto focus and 6 motors, Industrial quad-core CPU enables fast responses and synchronous operation, 10 languages available for switching, 7800mAh large capacity battery with 3.5 hours charging time
New Accessory and Tutorial Video Included - We made over 30 tutorial videos to help you make most use of your AI-9 fusion splicer machine. We also provide newly designed 8 in 1 wire stripper and plier in the toolbox.
5 Seconds Splicing and 15 Seconds Heating Time - Working efficiency increased by 50% compared to ordinary fiber splicing machines. AI-9 Fiber Fusion Splicer has 3 in 1 Fiber Holder -- Suitable for SM, MM, bare fiber, pigtail, rubber-insulated, multi-fiber cable
Built-in Optical Power Meter and Fault Locator - The OPM (-70~+6dB) covering 6 wavelengths, and VFL red light has strong Output Power. They can effectively measure connection loss, verify continuity, and help assess fiber link transmission quality.
Unique Design with Aesthetic Details - Signal Fire Fusion Splicer Fiber Optic AI-9 has aviation metal body material with exquisite details, 2 layers design for the Toolbox that no need to take out the splicer machine while working. The stool , built-in lighting and fiber cleaving station facilitate the users with convenience and comfort

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Best Value

8.1

Save 27%

VEVOR

VEVOR Fiber Fusion Splicer 6 Motors, Core Alignment Fiber Optic Fusion Splicer with 4" Digital LCD Screen, 3 in 1 Optical Fiber Holder, Auto Focus Optical Fiber Cleaver Kit 5-6s Splicing 9-25s Heating

27% OffFree Shipping

Main Highlights

Highly Splicing Efficiency: VEVOR fiber fusion splicer boasts 6 high-precision motors, core alignment and autofocus function, supporting rapid splicing in as fast as 5-6 seconds and quick heating in 9-25 seconds, with fusion loss as low as 0.01dB(MM).
Operate Much Longer: Built in 3500mAh high-capacity rechargeable battery can perform over 200 continuous fusion splicing and heating cycles on a full charge. There is a USB port on the side, allowing for charging mobile phones, lighting devices, and more.
Image Storage: Automatically capture and save crucial images during the fiber fusion process, providing you with a visual record. 4-inch high-resolution LCD screen offers independent 240x X or Y magnification display and simultaneous 120x X/Y display, ensuring clear and visible fiber cores.
Wide Applications: 3 in 1 optical fiber holder is widely compatible with SM, MM, DS, NZDS, UI, BUI, and EDF fibers. Built-in OPM and VFL can effectively measure connection loss, verifying continuity and assessing fiber link transmission quality.
All-in-One Versatile Kit: Necessary tools are all ready for your fiber fusion work. Each optical fusion splicer kit includes a main unit, fiber cleaver, wire stripper, 3-hole stripper, alcohol dispenser, blowing ball, power adapter, power cord, cooling tray, and a portable carrying bag.

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8.1

ZHUOSHI

Fusion Splicer AI-5A Fiber Optical Fusion Splicer, Core Alignment Fiber Splicer Machine with 5200mAh Large Battery Capacity for SM&MM Fiber

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Main Highlights

EFFICIENT OPERATION - AI-5A is a fiber optical fusion splicer with 4 motors. Capable of welding long distance fiber optic lines, also outstanding performance in harsh environments such as high altitudes, deserts, and extreme cold. Comes with small and lightweight tool box, you can complete all your work with this set of machine.
HIGH PRECISION ALIGNMENT - With core alignment technology, optical fibers with a diameter of micrometers can be easily measured. Compared with cladding alignment technology, it has higher accuracy and less splicing loss.
FAST SPLICING &HEATING - With fast running speed, 8-second rapid fusion welding, 18-second rapid heating. The maximum magnification is 320 times, which helps you to better observe the cutting angle and welding effect of the fiber.
3 IN 1 HOLDER - is suitable for SM, MM, DS,NZDS,bare fiber, pigtail, rubber-insulated, multi fiber cable.5200 mah high-capacity lithium battery can splice and heats about 160 times, charging time 3.5 hours.
INTELLIGENT INTERACTION - This splicing heating machine can be connected to mobile app, easy for reading and exporting the data. Also you can set the parameters, such as language, the heating time, and the fiber optic alignment mode, etc; 10 languages to choose from, making your use more convenient.

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Our Best Overall Choice

Best Choice

9.7

Fujikura

Fujikura New Model FSM-90S+ FSM-90S Plus Core Alignment Single Mode OFS Fusion Splicer Welding Splicer with CT50 Cleaver

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Package Accessories: Fusion splicer FSM-90S+, Fiber Cleaver CT50, Battery Pcak BTR-15, AC Adapter ADC-20, AC Power Cord ACC-14, USB Cable USB-01, Spare Electrode ELCT2-16B, Fusion Splicer Strap ST-02, Fiber Holder Set Plate SP-03
Hexagonal Wrench HEX-01, V-groove Cleaning Brush VCB-01, Carrying Case CC-39, Work Tray Left WT-09L, Work Tray Right WT-09R, Tripod Screw TS-03, Work Tray J-Plate JP-09, Carrying Case Strap ST-03, Alcohol Dispenser AP-02, Quick Reference Guide QRG-03-E
Core Alignment Technology The 90S+ fusion splicer has high precision lenses which provide accurate core to core alignment regardless of core-cladding concentricity error. Also, the lenses allow the splicer to discriminate between fiber types.
Advanced Image Processing Technology The 90S+ possesses advanced image processing technology which analyzes the profile of the fiber image as a brightness pattern. The 90S finds the true core position and achieves the consistent lower splice loss.
Fiber Discrimination Function: The 90S+ fusion splicer automatically identifies the optimum arc discharge parameters in accordance with the fiber type.

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