Sumitomo JR-7 Thermal Stripper — the professional-grade heated jacket remover for single and ribbon fiber, trusted by FTTH contractors, data center technicians, and telecom engineers worldwide. Supports up to 12-fiber ribbons with battery and AC adapter included. Why Choose the Sumitomo JR-7? Sumitomo Electric is the global leader in fusion splicing technology, with decades of engineering expertise in fiber optic tools. The JR-7 is engineered for field professionals who demand consistent, damage-free stripping of UV-cured resin coatings — from single fibers to 12-fiber ribbon cables — without the micro-crack risk of mechanical cold-strip methods. Key Features Compatible with 200 & 250 μm fiber ribbons (2–12 fibers) and single fibers LED lighting illuminates the heater area for dark environments Vibration notification signals precisely when to remove the coating IPx2 water protection and shock-resistant metal lid for field durability Field-replaceable blade (JR7-BL) and battery (BU-JR) for easy maintenance Wide, flat stage for easy fiber setting and cleaning 4-level temperature control (80–140°C) for different coating types Power-saving and auto power-off functions extend battery life Ideal Use Cases FTTH / FTTx Deployment: Fast ribbon stripping for high-density drop cable terminations in residential and commercial fiber rollouts. Data Center Installations: Precise, clean stripping of ribbon fiber for MTP/MPO trunk cable preparation and patch panel terminations. Backbone & Feeder Networks: Reliable performance for 2–12 fiber ribbon splicing in underground vaults, manholes, and aerial closures. Field Repair & Maintenance: Battery-powered operation with LED lighting makes it ideal for low-light environments and remote locations. Who Should Buy the JR-7? The Sumitomo JR-7 is the right tool if you: Regularly splice ribbon fiber (2–12 fibers) and need consistent, repeatable stripping results Work in field environments (manholes, aerial, underground) where durability and battery operation matter Want to reduce fiber breakage caused by mechanical cold-strip methods Need a tool compatible with Sumitomo FH Series fiber holders and Q102 Series splicers Applicable Fibers Coating Material: UV-cured resin Coating Thickness: Single fiber 200–400 μm, Ribbon fiber (2–12 fibers) 200–400 μm Cladding Diameter: 125 μm Max Removal Length: 1.38 in (35 mm) Specifications Temperature Settings: 4 Levels (176–284˚F / 80–140˚C) Power Saving Function: Normal / Power Saving Mode LED Indicators: Battery level & temperature Vibration Function: Alerts when to remove coating (ON/OFF) LED Lighting: Illuminates heater section (ON/OFF) Fiber Holders: FH Series Removal Cycles per Battery: Approx. 600 (12-fiber ribbon, 100˚C, one ribbon per minute, SAVE mode) Dimensions: 1.81(W) × 4.57(D) × 1.48(H) in / 46 × 116 × 37.5 mm Weight: 253 g (including battery) Replacement Blade: JR7-BL Replacement Battery: BU-JR Datasheet PROPERTY SPECIFICATIONS Temperature Settings 4 Levels (Min. 80°C to Max. 140°C) Power Saving Function Normal mode / Power saving mode LED Indicator Battery level & Temperature Vibration Function ON/OFF switchable — notifies when to remove coating LED Lighting ON/OFF switchable — illuminates heater section Fiber Holders FH Series Battery Cycles (Approx.) 600 cycles (12-fiber ribbon, 100°C, 1 ribbon/min, SAVE mode) Dimensions & Weight 46(W) × 116(D) × 37.5(H) mm, Approx. 253 g (with battery) Ordering Information PART NUMBER DESCRIPTION JR-7 Heated Jacket Remover with AC Adapter & Battery for Single & Ribbon Fiber JR7-BL Replacement Blade for JR-7 BU-JR Replacement Battery for JR-7 PC-2 Charging Cord for use with Q102 Series Splicers PS-JR AC Adapter and Power Cord Frequently Asked Questions – Sumitomo JR-7 What fibers is the Sumitomo JR-7 compatible with? The JR-7 supports single fibers (200–400 μm coating) and 2–12 fiber ribbons with 125 μm cladding diameter and UV-cured resin coatings. Is the Sumitomo JR-7 battery-powered? Yes. The JR-7 includes a rechargeable battery (BU-JR) and AC adapter. It delivers approximately 600 stripping cycles per charge in power-saving mode. What is the difference between the JR-7 and a mechanical fiber stripper? The JR-7 uses controlled heat (80–140°C) to soften UV-cured resin coatings before removal, significantly reducing fiber breakage risk compared to mechanical cold-strip methods. It is the preferred choice for ribbon fiber splicing in FTTH and data center installations. Does the JR-7 work in dark field environments? Yes. The JR-7 features a built-in LED light that illuminates the heater area, making it suitable for underground vaults, manholes, aerial closures, and other low-light field conditions. What is the replacement blade part number for the JR-7? The replacement blade is JR7-BL. The replacement battery is BU-JR. Both are field-replaceable without tools. How many fiber ribbons can the JR-7 strip per battery charge? Approximately 600 stripping cycles on a single charge when operating at 100°C in Power Saving mode, stripping one 12-fiber ribbon per minute. Is the Sumitomo JR-7 waterproof? The JR-7 carries an IPx2 rating, providing protection against dripping water. It is also shock-resistant with a tough metal lid, making it suitable for demanding field environments. What temperature settings does the JR-7 support? The JR-7 offers 4 temperature levels ranging from 80°C to 140°C (176°F to 284°F), allowing adjustment for different fiber coating types and ambient conditions. Is the JR-7 compatible with Sumitomo fusion splicers? Yes. The JR-7 uses FH Series fiber holders and can be charged via the PC-2 charging cord when used alongside Sumitomo Q102 Series fusion splicers, making it a seamless addition to a Sumitomo splicing workflow. What is the best thermal stripper for FTTH ribbon fiber splicing? The Sumitomo JR-7 is widely regarded as one of the best thermal jacket removers for FTTH ribbon fiber splicing, offering precise heat control, vibration notification, and up to 600 cycles per charge — making it ideal for high-volume field deployments.
