KF4 All-In-One FTTH Mini Splicer
UCL Swift
Active Cladding Alignment
KF4 All-In-One FTTH Mini Splicer
UCL Swift
Active Cladding Alignment

Swift KF4A is a highly advanced and accurate active cladding alignment fusion splicer, which has been designed to perform the major 5 multifunctional features systematically: stripping, cleaning, cleaving, splicing and sleeving (All-in-One). The Swift KF4A is the best fit for fusion splicing and fusion splice-on connectors (SOC) of FTTx network applications.  The KF4A eliminates fatal issues common with conventional mechanical connectors including low quality, weak durability and high maintenance costs. The Swift KF4A  fusion splicer coupled with our fusion splice-on connectors provides customers the best ROI.Integrated 5 functions in one unit (stripping, cleaning, cleaving, splicing, protecting)
The fusion splicer with All-In-One system provides the best workability onsite and also in a limited work space
No scratches on fiber by thermal stripping
Compatible with Fusion Splice-On Connector (SOC) in accordance with the Industrial Standard
Broadband and FTTH network application for use in any fiber network application
Resistance to shock, dust and water
The splicer with high reliability has stable performance even in a harsh environment.

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15 + 5 =

  • Integrated 5 functions in one unit (stripping, cleaning, cleaving, splicing, protecting)
  • Scratch-free thermal stripping
  • Compatible with Fusion Splice-On Connectors (SOC)
  • Designed for use in any fibre network application
  • Shock, dust and water resistant
  • High reliability with stable performance even in harsh environments
Category Description
Fiber alignment IPAAS, Active V-Groove Alignment
Applicable type of fibers
0.25mm, 0.9mm, 2.0mm, 3.0mm Indoor cable
Fiber count Single fiber
Applicable fiber dimensions Cladding diameter : 125μm, Coating diameter : 150μm~3mm
Fiber setting and cleaved length 5mm to 16mm
Splicing modes Splice mode: 300, Heat mode: 100
Typical Splice Loss SM: 0.02dB, MM: 0.01dB, DS: 0.04dB, NZDS: 0.04dB
Return loss > 60dB
Splicing time Typical 7sec with SM
Sleeve heating time Typical 13sec with IS-60 mode, IS-60 sleeve
Applicable protection sleeve 40mm,60mm and micro sleeves
Storage of splice result Data: 5,000ea Up to, Image: 5,000ea Up to
Tension test
1.96N to 2.25N
Operating condition Altitude: 0~5,000m above sea level, Temperature: -10℃~50℃, Humidity: 0~95%, Wind: 15m/s, non-condensing, dust proof, water proof, shock proof
Storage condition Temperature: -40℃~80℃, Humidity: 0~95%
Dimension 124(W)x189(L)x75(H)mm(Without rubber protector)
Weight 1.35kg(Including battery)
Viewing method and display Two CMOS cameras and 4.3-inch color LCD monitor
Fiber view and magnification X/Y : 130X MAX:260X
Power supply Li-ion battery(DC 14.8V, 3400mAh), 100 ~ 240V AC Adapter
No. of splice cycles with battery
Typical 200 cycles
Electrode life More than 21,000 times
Blade life More than 75,000 cleaves
Terminals USB