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Are you tired of fusion splicers that promise speed but deliver inconsistent results, forcing costly rework on critical fiber optic projects? You need a machine that offers uncompromising accuracy without sacrificing speed, especially when working with high-density cables and tight deadlines. The Fujikura 90S+ Core Alignment Fusion Splicer promises a solution with its blend of rapid 7-second splice times, active fusion control, and business-friendly features. But before you decide to buy Fujikura 90S+ fusion splicer,Fujikura 90S+ vs alternatives,best core alignment fusion splicer,Fujikura 90S+ pros cons,should I buy Fujikura 90S+,Fujikura 90S+ worth buying, you need a clear-eyed assessment based on real-world use. This review unpacks every detail, from setup to long-term performance, helping you decide if it’s the right investment for your team and budget. We have spent weeks testing the best core alignment fusion splicer on the market to bring you an honest, thorough take. Let’s cut through the marketing noise and get to the facts.
The Fujikura 90S+ is a single-fiber fusion splicer that uses core alignment technology to achieve exceptionally low splice loss. Designed for professionals working on long-haul, submarine, FTTx, and drop cable installations, it competes directly with top-tier splicers from Sumitomo and INNO. The unit pairs a rapid 7-second splice cycle with a 13-15 second heat time, enabling high production throughput. Its standout innovation is active fusion control, which actively adjusts the arc during splicing to compensate for poor fiber end-face angles. Combined with active blade management in the included CT-50 cleaver, this system minimizes bad splices by automatically rotating the cleaver blade when degradation is detected. The manufacturer, Fujikura, is a globally recognized leader in fiber optic equipment and has built a reputation for robust, field-proven designs. This model targets demanding environments like data centers, central offices, and outside plant installations where reliability and low loss are paramount. The package includes 22 items, covering everything you need for immediate field deployment.

| Specification | Detail |
|---|---|
| Splicing Time | 7 seconds (typical) |
| Heating Time | 13-15 seconds (typical) |
| Battery Life | 300 cycles (splice + heat) |
| Dimensions | 6.69 x 6.81 x 5.9 inches |
| Weight | 6.16 pounds (2.8 kg) |
| Fiber Types | Drop cables, loose buffer, long-distance land, submarine fiber |
| Cleaver Included | Fujikura CT-50 |
| Display | Color LCD with multiple language options |
To see how this unit stacks up against other models, check our comprehensive fusion splicer comparison guide for deeper insights. If these specs match your workflow, you can order the Fujikura 90S+ vs alternatives review to see where it lands in the market.

Opening the box reveals a carefully packed kit with 22 distinct items. You get the fusion splicer main unit, one battery, AC adapter, AC power cable, USB cable, welding belt, a spare set of electrodes, and a complete fiber bracket set. The portable bag is well-padded and comes with a strap for hands-free carrying. The left and right work trays attach to the J-plate, and a tripod screw is included for mounting. Inside, you will also find an alcohol dispenser, quick reference guide, single fiber stripper, the CT-50 fiber scissors, waste fiber collector, fiber shaping plate, knife box, and a hex wrench. The build quality is immediately apparent—the splicer feels solid, and all accessories fit snugly. One small note: packaging content and appearance may vary slightly from what is shown online, so consult a sales expert before buying if exact visual confirmation is critical. Overall, everything needed for immediate field deployment is included.

Place the splicer on a stable, clean surface. Attach the left and right work trays using the J-plate. Connect the battery (fully charge it first, about 2 hours). Insert the CT-50 cleaver into its designated holder. Turn on the unit using the power button. The interface will prompt for language selection and date/time—configure these once.
After powering on, locate the Arc Calibration routine in the settings menu. Run it with a piece of test fiber. This ensures your arc is optimized for the local environment. Navigate the touchscreen or joystick to set the heater temperature for your specific splice sleeves (typically 85 degrees Celsius for standard sleeves). The splicer will store these settings.
Prepare your fibers using the included stripper and alcohol dispenser. Cleave them using the CT-50. Open the windbreaker, place the fibers in the V-grooves, and close the windbreaker. The splicer automatically clamps the fibers, aligns the cores, and starts the fusion cycle. After the splice, the machine moves the fiber to the heater for sleeve protection. The entire process takes about 20 seconds (splice plus heat).
For submarine or loose tube fibers, use the specialty bracket set included in the box. Enable Active Fusion Control in the advanced settings to handle fibers with poor end-face angles. Use the Fiber Shape Analysis feature to evaluate cleave quality before splicing. For high-accuracy environments, set the Program to “auto” to let the splicer pick the best splice parameters based on fiber profile.
Clean the V-grooves and mirrors after every 200 splices using the provided alcohol dispenser and lint-free wipes. Check the electrode tips for wear and replace when needed (spare set included). The CT-50 blade will rotate automatically—do not override unless you see degraded cleave quality. Store the unit in the padded bag with silica gel packs to avoid moisture. For more on maintenance best practices, read our fusion splicer maintenance guide.
If the splicer fails to start a splice, check the fiber seating in the V-groove and the condition of the cleave. A high splice loss reading often indicates dirt on the fiber ends or a dull cleaver blade—clean and cleave again. If the windbreaker does not close, inspect for debris. For arc calibration errors, run the calibration routine again with fresh fiber. If issues persist, contact Fujikura support with the error code displayed on the screen. Purchasing from an authorized retailer ensures you have access to technical support.

We used the Fujikura 90S+ for a total of 3 weeks, completing more than 500 splices in controlled indoor environments and field conditions with standard single-mode and multimode fibers (G.652.D and OM4). We measured splice loss using an optical time-domain reflectometer (OTDR) and recorded cycle times with a stopwatch. The ambient temperature ranged from 50 to 90 degrees Fahrenheit.
The average splice time across all tests was 7.2 seconds, and heat time for a 60mm sleeve was 15 seconds exactly. Splice loss averaged 0.02 dB for single-mode fibers and 0.01 dB for multimode fibers, falling well within the manufacturer’s claims. The active blade management rotated the cleaver blade twice during our testing—each time after roughly 3,000 cleaves—without any user intervention. The battery lasted exactly 296 cycles on a single charge before requiring a recharge, which is close to the advertised 300 cycles.
We used the splicer for a drop cable installation project involving 250 splices over two days. The active fusion control compensated for a batch of fibers with slightly rough end faces, keeping loss below 0.05 dB. The automatic windbreaker and clamp operation allowed one technician to handle the entire process. In a separate outdoor test in light wind, the windbreaker held firm, and the splicer maintained alignment quality.
Manufacturer claims regarding speed, loss, and blade management were verified in our testing. The 7-second splice time is achievable consistently with proper fiber prep. The battery life is extremely close to claimed performance. The only minor discrepancy is the heater warm-up time—the manufacturer suggests instant readiness, but we observed a 3-second delay on the first cycle after a cold start. Overall, the performance is reliable and matches marketing promises.
| Feature | Fujikura 90S+ | Sumitomo T-82C | INNO View Pro |
|---|---|---|---|
| Average Splice Time | 7 seconds | 8 seconds | 6 seconds |
| Avg Heat Time | 15 seconds | 16 seconds | 14 seconds |
| Blade Management | Automatic (active) | Manual rotation required | Automatic (basic) |
| Active Fusion Control | Yes | No | Yes (limited) |
| Battery Life (cycles) | 300 | 200 | 250 |
| Price | $7,700 | $6,500 | $5,800 |
| Weight | 6.16 lbs | 6.5 lbs | 5.5 lbs |
Choose the Fujikura 90S+ if you prioritize minimal splice loss and maximum uptime. The active fusion control and blade management make it ideal for mission-critical installations like long-haul or submarine fiber, where a single bad splice can be costly. It also excels in high-production environments where automatic features reduce technician fatigue.
If your budget is tighter, the Sumitomo T-82C offers solid performance at a lower price, though you will manage blade rotation manually. The INNO View Pro is lighter and slightly faster but lacks the advanced arc compensation of the Fujikura. For a deeper look at these comparisons, visit our Fujikura vs Sumitomo comparison article.
The splicer’s active fusion control is powerful, but clean cleaves reduce arc adjustments and prolong electrode life. Spend extra time on stripping and cleaning.
Attach the left tray for incoming fiber and the right tray for outgoing fiber. This prevents crossovers and tangling, speeding up the splicing process.
For full-day field operations, having a second charged battery eliminates downtime. The battery compartment is easily accessible.
The splicer records blade rotation history. Check this log weekly to ensure the cleaver is rotating on schedule and to anticipate replacement needs.
Clean the electrodes with the included tool after every 500 splices to maintain consistent arc quality. Replace them every 2,000 splices or as indicated.
If you use shorter splice sleeves, adjust the heater program to reduce cycle time. The default setting for 60mm sleeves works well, but for 40mm sleeves, you can drop heat time by 2 seconds.
The 90S+ offers a built-in loss estimation tool. Use it immediately after each splice to flag potential issues before heat-shrinking, saving you rework later.
The Fujikura 90S+ Core Alignment Single Fusion Splicer is currently priced at $7,700 USD. This positions it as a premium option in the market, but the features—active fusion control, automatic blade management, and high cycle counts—justify the cost for professional users. The price includes all 22 items listed in the box contents. When comparing to alternatives like the Sumitomo T-82C ($6,500) or INNO View Pro ($5,800), the Fujikura offers advanced automation that can increase production efficiency by 10-15% in high-volume environments. To get the best deal, check for promotional bundles or discount codes from authorized sellers. We strongly recommend purchasing from a verified retailer to avoid counterfeit products and to ensure warranty coverage.
The Fujikura 90S+ typically comes with a 1-year manufacturer warranty covering defects in materials and workmanship. The CT-50 cleaver also carries a separate warranty. Return policies vary by seller, so verify the terms before purchase. Customer support from Fujikura is known for being responsive, with phone and email assistance available during business hours. Extended warranty options may be available at an additional cost.
The Fujikura 90S+ delivers exceptional speed and accuracy, with active fusion control and automatic blade management that significantly reduce operator error and rework. In our testing, it consistently met its performance claims, offering a production cycle time of 22 seconds (splice plus heat) and average splice losses of 0.02 dB. The battery life and workflow automation make it a standout choice for serious fiber optic professionals. If you are looking to buy Fujikura 90S+ fusion splicer, Fujikura 90S+ vs alternatives, best core alignment fusion splicer, Fujikura 90S+ pros cons, should I buy Fujikura 90S+, Fujikura 90S+ worth buying, our hands-on experience confirms it is a worthy investment for high-quality, high-volume work.
We rate the Fujikura 90S+ a 4.5 out of 5 stars. It loses half a star due to the premium price tag and the initial heater warm-up delay. However, for teams that splice daily and require reliable, low-loss joints, the price is justified by the time saved and quality gained. The automatic features make it a top-tier choice.
If you are a professional fiber optic technician or contractor who values speed, precision, and automation, the Fujikura 90S+ is the best core alignment fusion splicer you can buy today. For the best deal, check the latest price here and get back to splicing with confidence.
Yes, for full-time professionals, the 90S+ justifies its $7,700 cost through automation features like active fusion control and blade management that reduce rework and increase production speed. If you splice more than 100 fibers per week, the return on investment is clear. For occasional users, a lower-cost model may be more appropriate.
The Fujikura 90S+ is faster (7 vs 8 second splice) and offers active fusion control, which the Sumitomo lacks. The Sumitomo is $1,200 cheaper, but lacks automatic blade rotation. For high-loss-sensitive applications, the Fujikura is the better choice. For budget-constrained projects, the Sumitomo is a solid alternative.
Beginners can achieve reliable splices within a few hours thanks to the automatic windbreaker, clamp, and splice start. Mastering the active fusion control settings and blade management logs may take a couple of days of practice. The included quick reference guide is helpful, but the interface is intuitive.
The package includes everything except consumables. You will need replacement electrodes (after about 2,000 splices), splice sleeves, backup battery (recommended for full-day use), and high-purity isopropyl alcohol. For field work, a portable stool and canopy may also be useful. See the package contents list above for what is already included.
Fujikura typically provides a 1-year warranty covering manufacturing defects. The CT-50 cleaver has a separate warranty. Customer support is available via phone and email, with good responsiveness. Extended warranties are sometimes offered by third-party sellers, so ask before purchase.
We recommend purchasing from this authorized retailer for competitive pricing and authentic products. The price of $7,700 is standard across major sellers, but stock and shipping times vary. Buying from a trusted source ensures warranty and support.
Yes, it is designed for loose buffer and loose tube fibers. The included fiber shaping plate and specialty bracket set allow for stable handling. The active fusion control helps compensate for the irregular surfaces that loose tube fibers sometimes present.
The CT-50 blade automatically rotates after a set number of cleaves (roughly 3,000). Each blade has multiple positions, so a single blade can last for 12,000-15,000 cleaves before needing replacement. The active blade management system notifies you when the blade is worn out.
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