Products

Fusion Splicers

Precision, Speed, Simplicity—Powered by SWIFT

Broadband customers around the world rely on SWIFT fiber optic fusion splicers to provide best-in-class optical performance that deliver easy and affordable installs. From All-In-One splicers that perform all 5 splicing functions in a single unit to stand-alone fusion splicers, SWIFT delivers advanced fiber terminations.

Fusion Splicers

UCL Swift image of person with splicer

All-In-One Fusion Splicers

KF4A All-In-One Fusion Splicer

KF4A - Active cladding alignment splicer

Model Number KF4A

Specifications

  • Alignment: IPAAS clad-to-clad (active cladding alignment)

  • Fiber types/sizes: 0.25 mm, 0.9 mm, 2.0 mm, 3.0 mm indoor cable; cladding Ø 125 μm; coating Ø 150 μm–3 mm

  • Fiber count: Single fiber

  • Cleaved length: 7–16 mm (0.28–0.63 in)

  • Modes: 300 splice modes; 100 heat modes

  • Typical splice loss: SM 0.02 dB; MM 0.01 dB; DS 0.04 dB; NZDS 0.04 dB

  • Return loss: > 60 dB

  • Splicing time: ~7 s (SM)

  • Sleeve heating time: ~13 s (IS-60 mode with IS-60 sleeve)

  • Protection sleeves: 40 mm, 60 mm (micro sleeve)

  • Storage of results: Up to 5,000 data entries; up to 5,000 images

  • Tension test: 1.96–2.25 N

  • Operating conditions: Altitude 0–5,000 m; temp 14°F–122°F; humidity 0–95%; wind 15 m/s; dust/water/shock resistant

  • Storage conditions: –40°F to 176°F; humidity 0–95%

  • Dimensions/weight: 132(W) × 212(L) × 73(H) mm (without protector); 1.5 kg (incl. battery)

  • Viewing/display: Dual-axis CMOS cameras; 4.3″ color LCD

  • Magnification: X/Y 110×; Max 220×

  • Power: Li-ion 14.8 V, 3400 mAh; 100–240 V AC charger

  • Battery life: ~200 splice cycles per charge

  • Electrode life: Up to 38,000 splices

  • Blade life: Up to 77,000 cleaves

  • I/O: USB

Standard package (included)

  • KF4A arc fusion splicer

  • Battery (KF-3400) & Battery adapter (FY1701000)

  • Spare electrodes (EI-24)

  • Transport case (HC-11 hard case)

  • Optical fiber holder (pair)

  • Cooling tray (CT-01; 40 mm)

  • Allen wrench (LD-3300)

  • USB cable

  • Hard brush, soft brush

  • Tool box, tweezers

  • Instructions for use

Option package (accessories & consumables)

  • Battery KF-3400

  • Cleaver blade BI-07

  • Electrodes EI-24

  • Soft transport case ILST-SS03(L)

  • Work belt WB-01

  • Protection sleeves S09-C, S09, S30-C, S30

  • SOC connectors SC, LC, FC, ST

  • Manual stripper CF-02

  • External power DC 12 V (vehicle power)

  • Optical fiber holders: HS-250, HS-900, HS-2.5, HS-IN, KF4-SC/FC, KF4-ST, KF4-ILC, LS-900 (choose one).

Upgrade options

  • VFL module (650 nm visual fault locator)

  • InGaAs power meter (receive power / loss verification).

KF4A Brochure

KF4 All-In-One Fusion Splicer

KF4 - Active cladding alignment splicer

Model Number KF4

Specifications

  • Fiber alignment: IPAAS, Active V-Groove Alignment

  • Applicable fiber types: 0.25 mm, 0.9 mm, 2.0 mm, 3.0 mm indoor cable

  • Fiber count: Single fiber

  • Applicable fiber dimensions: Cladding Ø 125 μm; Coating Ø 150 μm–3 mm

  • Cleaved length: 7–16 mm (0.28–0.63 in)

  • Modes: Splice 300; Heat 100

  • Typical splice loss: SM 0.02 dB; MM 0.01 dB; DS 0.04 dB; NZDS 0.04 dB

  • Return loss: > 60 dB

  • Splicing time: ~7 s (SM)

  • Splice loss estimate: Available

  • Sleeve heating time: ~13 s (IS-60 mode with IS-60 sleeve)

  • Protection sleeves: 40 mm (2.4 in); 60 mm (1.5 in) micro sleeve

  • Storage of results: Data up to 5,000; Images up to 5,000

  • Tension test: 1.96–2.25 N

  • Operating conditions: Altitude 0–5,000 m; Temp 14°F–122°F; Humidity 0–95%; Wind 15 m/s; non-condensing; dust/water/shock resistant

  • Storage conditions: −40°C to 80°C (−40°F to 176°F); Humidity 0–95%

  • Dimensions: 124(W) × 189(L) × 75(H) mm (without rubber protector)

  • Weight: 1.1 kg (including battery)

  • Display: Dual-axis CMOS cameras; 4.3″ color LCD (109 mm)

  • Magnification: X/Y 130×; Max 260×

  • Power: Li-ion 14.8 V, 3400 mAh; 100–240 V AC charger

  • Battery life: ~200 splice cycles

  • Electrode life: Up to 38,000 splices

  • Blade life: Up to 77,000 cleaves

  • I/O: USB

Standard package (included)

  • Arc Fusion Splicer: SWIFT KF4 (1)

  • Battery: KF-3400 (1)

  • Battery adapter: FY1701000 (1)

  • Instructions for use: (1)

  • Spare electrodes: EI-24 (1 pair)

  • Transport case: Hard Case (1)

  • Cooling tray: CT-01 (40 mm / 1.5 in) (1)

  • Screwdriver: LD-3300 (1)

  • USB cable: (1)

  • Sleeve clamp: SC-01 (1)

  • Cleaver: CS-01BT (1)

  • Manual stripper: CF-02 (1)

  • Alcohol dispenser: POM (1)

  • Cleaning brush: (1)

  • Tweezers: (1)

  • Optical fiber holders: HS-250 (pair), HS-900 (pair), LS-900 (loose tube), KF4-SC/FC, KF4-ILC (1 set)

Option package (accessories & consumables)

  • Battery pack: KF-3400

  • Cleaver blade: BI-07

  • Electrodes: EI-24

  • Work belt: WB-01

  • Work table: WK-02

  • Sleeves: S09-C, S09, S30-C, S30

  • SOC connectors: SC, LC, FC, ST

  • External power: DC 12 V (car cigar-jack compatible)

  • Optical fiber holders: HS-2.5, HS-IN, KF4-ST-01

KF4 Brochure

KF4AV All-In-One Fusion Splicer

KF4AV - Active cladding alignment splicer

Model Number KF4AV

 Benefits & Features

  • Rotating blade life up to 110,000.

  • Remote maintenance via internet.

  • Integrated 5-in-1 workflow: stripping, cleaning, cleaving, splicing, protecting.

  • Built-in VFL (650 nm) to visually locate breaks, bad splices/connectors, etc.

  • Built-in InGaAs power meter to check receive power / loss before turn-up. 

Specifications

  • Fiber alignment: IPAAS active cladding alignment

  • Applicable fibers: 0.25 mm, 0.9 mm, 2.0 mm, 3.0 mm indoor cable

  • Fiber count: Single fiber

  • Fiber dimensions: Cladding Ø 125 μm; coating Ø 150 μm–3 mm

  • Cleaved length: 0.20–0.63 in

  • Modes: 300 splice / 100 heat

  • Typical splice loss: SM 0.02 dB; MM 0.01 dB; DS 0.04 dB; NZDS 0.04 dB

  • Return loss: > 60 dB

  • Splicing time: ~7 s (SM)

  • Sleeve heating: ~13 s (IS-60 mode with IS-60 sleeve)

  • Protection sleeves: 2.4 in, 1.5 in, micro sleeves

  • Storage (results): up to 5,000 data entries; up to 5,000 images

  • Tension test: 1.96–2.25 N

  • Operating conditions: 0–5,000 m; 14°F–122°F; 0–95% RH; 15 m/s wind; dust/water/shock-resistant

  • Storage conditions: 40°F–176°F; 0–95% RH

  • Dimensions/weight: 132(W) × 212(L) × 73(H) mm (w/o protector); 1.5 kg (incl. battery)

  • Display: Dual-axis CMOS cameras; 4.3″ color LCD

  • Magnification: X/Y 110×; max 220×

  • Power: Li-ion 14.8 V, 3400 mAh; 100–240 V AC charger

  • Battery life: ~200 splice cycles

  • Electrode life: 38,000 splices

  • Blade life: up to 77,000 + 33,000 fibers (with 0.12 mm blade height increase)

  • I/O: USB

Standard Package (Included)

  • Arc fusion splicer: SWIFT KF4A — 1

  • Battery: KF-3400 — 1

  • Battery adapter: FY1701000 — 1

  • Instructions for use — –

  • Spare electrodes: EI-24 — 1 pair

  • Hard case: HC-11 — 1

  • Optical fiber holder: — 1 pair

  • Cooling tray: CT-01 (1.5 in) — 1

  • Allen wrench: LD-3300 — 1

  • USB cable:  1

  • Hard brush:

  • Soft brush: 1

  • Tool box: 1

  • Tweezers: 1

Option Package (Accessories & Consumables)

  • Battery: KF-3400

  • Cleaver blade: BI-07

  • Electrodes: EI-24

  • Soft case: ILST-SS03(L)

  • Work belt: WB-01

  • Sleeves: S09-C, S09, S30-C, S30

  • Sleeve clamp: SC-01

  • SOC connectors: SC, LC, FC, ST

  • Manual stripper: CF-02

  • External power: DC 12 V (car cigar-jack)

  • Optical fiber holders: HS-250, HS-900, HS-2.5, HS-IN, KF4-SC/FC, KF4-ST, KF4-ILC, LS-900 (choose one)

Upgrade Options

  • VFL (Visual Fault Locator): 650 nm red laser.

  • InGaAs power meter: receive-power / loss verification

KF4AV Brochure

KF4A-HDC All-In-One Fusion Splicer

KF4A-HDC - Active cladding alignment splicer

Model Number KF4A-HDC

Specifications

  • Fiber alignment: IPAAS active cladding alignment

  • Applicable fibers: 0.25 mm, 0.9 mm, 2.0 mm, 3.0 mm cable

  • Fiber count: Single fiber

  • Fiber dimensions: Cladding Ø 125 μm; coating Ø 150 μm–3 mm

  • Cleaved length: 7–16 mm (0.20–0.63 in)

  • Modes: Splice 300; Heat 100

  • Typical splice loss: SM 0.02 dB; MM 0.01 dB; DS 0.04 dB; NZDS 0.04 dB

  • Return loss: > 60 dB

  • Splicing time: ~7 s (SM)

  • Sleeve heating time: ~13 s (IS-60 mode with IS-60 sleeve)

  • Protection sleeves: 40 mm (1.5 in) or 60 mm (2.4 in) micro sleeves

  • Storage of results: Data up to 5,000; Images up to 5,000

  • Tension test: 1.96–2.25 N

  • Operating conditions: Altitude 0–5,000 m; 14°F–122°F; 0–95% RH; 15 m/s wind; non-condensing; dust/water/shock-resistant

  • Storage conditions: −40°F to 176°F; 0–95% RH

  • Dimensions: 132(W) × 212(L) × 73(H) mm (excluding bumper)

  • Weight: 1.5 kg (incl. battery)

  • Display: 2 CMOS cameras; 5.0″ color LCD

  • Magnification: X/Y 110×; Max 220×

  • Power: Li-ion 14.8 V, 3400 mAh; 100–240 V AC charger

  • Battery life: ~200 splice cycles

  • Electrode life: Up to 38,000 splices

  • Blade life: Up to 77,000 cleaves

  • I/O: USB

Standard package (included)

  • Arc fusion splicer: SWIFT KF4A-HDC — 1

  • Battery: KF-3400 — 1

  • Battery adapter: 100–240 V — 1

  • Instructions for use: 1

  • Spare electrodes: EI-24 — 1 pair

  • Transporting case: HC-11 (hard case) — 1

  • Optical fiber holder: 1 pair

  • Sleeve clamp: SC-01 — 1

  • Cooling tray: CT-01 (40 mm / 1.5 in) — 1

  • Allen wrench: LD-3300 — 1

  • USB cable: 1

  • Hard brush: 1

  • Soft brush: 1

  • Tool box: 1

  • Tweezers: 1

Option package (accessories & consumables)

  • Battery: KF-3400

  • Cleaver blade: BI-07

  • Electrodes: EI-24

  • Transporting case: ILST-SS03 (L) soft case

  • Work belt: WB-01

  • Sleeves: S09-C, S09, S30-C, S30

  • SOC connectors: SC, LC, FC, ST

  • Manual stripper: CF-02

  • External power: DC 12 V (car cigar-jack compatible)

  • Optical fiber holders (choose one): HS-250, HS-900, HS-2.5, HS-IN, KF4-SC/FC, KF4-ST, KF4-ILC, LS-900, HDC-900L, HDC-900S, ROC-900, SST-900L, SST-250L

Optional holders (drop cable models)

  • 580-900: 5.4–5.8 mm round drop; 900 μm jacket holder

  • 500-900: 5.0 mm round drop; 900 μm jacket holder

  • ROC-900: ROC® dielectric drop 5.4 × 3.0 mm; 900 μm holder

  • SST-900L: SST dielectric drop 8.1 × 4.5 mm; 900 μm holder

  • SST-250L: SST dielectric drop 8.1 × 4.5 mm; 250 μm holder

  • HS-IN: 5.0 × 2.0 mm drop; 250 μm holder

  • Items marked with an asterisk on the page are included in the HDCFT Accessory Kit

Upgrade option

  • HDCFT-KIT Accessory Kit (HDCFT-01): Tools to prepare and terminate UCL Swift hardened fusion splice-on connectors onto 8.1 × 4.5 mm flat drop and ROC®-style drop. Accessory kit required to install HDC connector; sold separately.

KF4A-HDC Brochure

Traditional Fusion Splicers

SWIFT KR12A

SWIFT KR12A

The KR12A is UCL Swift’s advanced ribbon fiber fusion splicer, designed for high-efficiency splicing in large-scale broadband and FTTx deployments. It features fast splicing and heating times, high-precision alignment, and durability for demanding field environments.

Key Highlights

  • Ribbon Splicing – handles 1–12 fiber ribbons with speed and accuracy.

  • Fast Operation – reduced splicing and heating cycles to improve productivity.

  • Durability – shockproof, waterproof, and dustproof for field use.

  • User-Friendly Interface – large LCD screen and intuitive controls for simplified operation.

  • Reliability – ensures low splice loss and consistent performance for high-bandwidth networks.

DATA SHEET: KR12A