The Swift KF4 is a versatile and extremely accurate active cladding alignment fusion splicer that satisfies every splicing requirement. Slim, yet rugged and extremely light, the Swift KF4 assures users of convenience and effortless termination. All with the ability to provide high-performance connections at a budget-friendly price.

2 in stock



  • Broadband and FTTH network application
  • MAXIMUM versatility
  • MINIMUM size & weight – world’s most compact active V-Groove fusion splicer
  • OPTIMUM economy – The best quality, budget-priced – make every penny count!
  • Active V-Groove Alignment / Metro, Access Network and FTTH & Universal Fiber Holders
  • Compatible with Fusion Splice-on Connector (SOC) in accordance with industry standards

Additional information


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

0.20in to 0.63in

Splicing modes

Splice mode: 300, Heat mode: 100

Splicing time

Typical 7sec with SM

Applicable protection sleeve

2.4in, 1.5in and micro sleeves

Storage of splice result

Data: 5,000ea up to, Image: 5,000ea up to

Operating condition

Altitude: 0~5,000m above sea level, Temperature: -14°F~122°F, Humidity: 0~95%, Wind: 15m/s, non-condensing, dust proof, water proof, shock proof

Viewing method and display

2 AXIS Two CMOS cameras with 4.3-inch color LCD monitor

Power supply

Li-ion Battery(DC 14.8V, 3400mAh), 100 ~ 240V AC charger

No. of splice cycles with battery

Typical 200 cycles




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