Sumitomo T-402S Fusion Splicer | Handheld Core Alignment Japan Original Splicing Machine

Sumitomo T-402S Fusion Splicer – Japan’s Most Rugged Handheld Core Alignment Machine

Built for technicians who work in the toughest conditions, the Sumitomo T-402S is a Japan-original core alignment fusion splicer engineered to set the standard for ruggedness and reliability. Its compact handheld design lets you splice in minimal workspace — up a pole, inside a manhole, or in a cramped equipment room — while delivering the consistent low-loss splices that Sumitomo is renowned for. With a fast 6-second splice time and 24-second heat shrink, the T-402S keeps your crew moving on even the most demanding FTTx and telecom deployments.

Why Choose the Sumitomo T-402S?

• Handheld Operation: Compact form factor designed for fast set-up and splicing in minimal workspace environments — ideal for aerial, underground, and confined-space work
• Japan Original Quality: Genuine Sumitomo engineering with proven field toughness and consistent low-loss core alignment splicing
• 6-Second Splice / 24-Second Heat: Competitive cycle times to maximize productivity on large-scale fiber deployments
• Ruggedized Construction: Improved shock, dust, and rain resistance with drop-test certified build quality for reliable performance in harsh field conditions
• Lynx2 CustomFit Splice-On Connector (SOC) Compatible: Supports Sumitomo’s Lynx2 SOC system for fast, field-installable fiber connectors — a major advantage for FTTx last-mile work
• Multi-Fiber Type Support: Capable of splicing an array of fiber types across different deployment scenarios
• Brand-New User Interface: Intuitive touch-panel UI for quick and easy program navigation and splice analysis
• FTTx All-in-One: Handles both fusion splicing and FTTx initiatives in a single machine

Ideal Applications

• FTTH / FTTB last-mile fiber deployment
• Aerial and pole-mounted fiber splicing
• Underground and manhole fiber work
• Confined-space telecom equipment room splicing
• Splice-on connector (SOC) termination with Lynx2 system
• Telecom network construction and maintenance

T-402S vs. Sumitomo Type-82C+ – Which Sumitomo Is Right for You?

Technical Specifications

Package Contents

• Sumitomo T-402S Fusion Splicer
• Fiber Cleaver
• Original Battery
• AC Adaptor + AC Power Cable
• Carrying Case
• Instruction Manual

Frequently Asked Questions

Q: What makes the T-402S a "handheld" fusion splicer?
A: The T-402S features a compact, ergonomic form factor specifically designed for one-handed or minimal-workspace operation. This makes it ideal for aerial splicing on poles, underground manhole work, and confined equipment rooms where a standard-sized splicer would be difficult to use.

Q: What is Lynx2 CustomFit SOC compatibility?
A: The T-402S is compatible with Sumitomo’s Lynx2 CustomFit Splice-On Connector (SOC) system, which allows technicians to field-install fiber connectors by fusion splicing directly onto the connector ferrule. This eliminates the need for pre-terminated pigtails and is widely used in FTTx last-mile deployments for faster, more reliable terminations.

Q: Is the T-402S suitable for outdoor and harsh environment use?
A: Yes. The T-402S features ruggedized construction with improved resistance to shock, dust, and rain, and has passed drop-test certification. It is designed for reliable performance in demanding outdoor field conditions.

Q: How does the T-402S compare to the Sumitomo Type-82C+?
A: The T-402S is optimized for FTTx and confined-space work with its handheld design and Lynx2 SOC compatibility, at a more accessible price point. The Type-82C+ is the premium flagship with 0.01dB splice loss, dual independent ovens, 760X zoom, and specialty fiber support — ideal for backbone and precision network applications.

Q: What warranty does the Sumitomo T-402S come with?
A: The T-402S comes with a 1-year manufacturer warranty. For support or bulk pricing, contact us at info@splicermarket.com.