Thermal Stripper Sumitomo JR-7 Thermal Jacket Remover

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

Ordering Information

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.