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Sumitomo T-402S

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Sumitomo T-402S Active Clad Alignment Fusion Splicer

Product Overview

  • Product Name: Sumitomo T-402S Active Clad Alignment Fusion Splicer

  • Manufacturer: Sumitomo Electric Industries

  • Category: Active Clad Alignment / Active V-Groove Fusion Splicers

  • Target Application: FTTx / FTTH Networks, Access Lines, Subscriber Connections, Drop Cable Splicing

Sumitomo T-402S Active Clad Alignment Fusion Splicer

Product Overview

  • Product Name: Sumitomo T-402S Active Clad Alignment Fusion Splicer

  • Manufacturer: Sumitomo Electric Industries

  • Category: Active Clad Alignment / Active V-Groove Fusion Splicers

  • Target Application: FTTx / FTTH Networks, Access Lines, Subscriber Connections, Drop Cable Splicing

Sumitomo T-402S Active Clad Alignment Fusion Splicer

Sumitomo T-402S Active Clad Alignment Fusion Splicer

Small. Smart. Strong. Ultra-Compact Active Clad Alignment for FTTx Networks

The Sumitomo T-402S is an ultra-compact active clad alignment fusion splicer engineered specifically for FTTx and subscriber network installations. Weighing just 1.2 kg with battery, it delivers high-speed, reliable splicing in a portable, palm-sized design built for extreme field conditions.

  • Manufacturer: Sumitomo Electric Industries
  • Category: Active Clad Alignment Fusion Splicers
  • Key Tech: NanoTune™ AI Technology, Auto Arc Calibration, Wireless LAN / SumiCloud™ Ready

Key Features & Highlights

  • AI-Powered NanoTune™ Alignment: Utilizes artificial intelligence algorithms for precise active clad alignment, minimizing splice loss and overcoming minor fiber cleave imperfections.
  • Ultra-Compact & Portable Build: Measures just 126 × 154 × 83 mm and weighs 1.2 kg (with BU-17 battery), making it exceptionally easy to handle in tight drop-cable enclosures, poles, and manholes.
  • Rapid Splicing & Heating Cycles: Features a 6-second splice time (SM G652 Quick Mode) and a 12-second heating time for 60mm protection sleeves.
  • Long Battery Life: Built-in BU-17 Li-ion battery supports up to 250 splice and heat cycles on a full charge.
  • High Environmental Resistance: Certified IP52 water and dust resistance, along with 76 cm drop-test durability on 5 faces, bottom edges, and corners.
  • Intuitive Touch Screen: Equipped with a 4.3-inch WVGA color LCD touchscreen display with smartphone-like multi-touch navigation and onboard help video support.
  • Extended Electrode Lifespan: Long-life ER-17 genuine electrodes provide up to 6,000 arc discharges before replacement.

Technical Specifications

Parameter Specification
Alignment Method Active Clad Alignment (Active V-Groove)
Applicable Optical Fibers SMF (G.652), MMF (G.651), DSF (G.653), NZDSF (G.655), BIF (G.657)
Fiber / Coating Diameter Cladding: 125 µm | Coating: 250 µm to 1,000 µm
Splice Loss (Typical) SMF: 0.03 dB | MMF: 0.01 dB | DSF: 0.05 dB | NZDSF: 0.05 dB
Splice & Heating Time Splice: 6 sec (SM G652 Quick) | Heating: 12 sec (FPS-61-2.6 sleeve, 60mm)
Display 4.3-inch Color WVGA LCD Touchscreen
Magnification 2 CMOS cameras, 140X (Zoom 370X) for X and Y axis view
Battery Life Approx. 250 splice & heat cycles (BU-17 Li-ion battery, 10.8V, 4,560mAh)
Electrode Life 6,000 arc discharges (ER-17 genuine electrodes)
Data Storage Internal: 200 images / 10,000 data logs
SD Card (~32GB): 50,200 images / 20,000 data logs
Environmental Protection IP5x dust-resistant | IPx2 water-resistant | 76 cm drop-tested (5 faces & bottom edges)
Operating Conditions Altitude: 0 to 5,000 m | Temp: -10°C to +50°C | Wind: Up to 15 m/s
Dimensions & Weight 126 (W) × 154 (D) × 83 (H) mm | 0.9 kg (without battery), 1.2 kg (with BU-17 battery)
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Ideal Applications

FTTx & FTTH Subscriber Connections

Perfect for fast, precise last-mile fiber delivery and drop cable installations.

Aerial & Bucket Operations

Compact 1.2 kg footprint enables effortless overhead and neck-strap tray work.

Tight Field Workspaces

Ideal for splicing in small handholes, optical distribution cabinets, and subscriber boxes.

“Well thought-out, intelligent, and an excellent performer”