FC-689 High Precision Fiber Optic Cleaver | Ultra-Low Angle Cleaving for Fusion Splicing

The FC-689 High Precision Fiber Optic Cleaver is designed for precise and repeatable fiber cutting, ensuring clean end faces essential for low-loss splicing. Blade is made from magnesium alloy materials, and cutting more precise, without any special skills. Its durable construction and 24-position rotary blade provide up to 48,000 cleaves per blade, making it an ideal tool for both production lines and field use. Engineered for reliability, portability, and precision, the FC-689 supports a wide range of fiber preparation tasks in telecom, FTTH, and optical lab applications.

Engineering Suitability & Selection Boundaries

1. When This Product Is the Right Choice

• Typically suitable when your workflow depends on consistent single-fiber cleaves to support low-loss fusion splicing outcomes in field or production environments.
• Commonly selected when handling is mostly within 125μm fiber with 0.25mm / 0.9mm coatings, aligned with the stated cleave-length ranges.
• Usually a good fit when teams want a cleaver that avoids frequent blade-height adjustments, while still maintaining repeatability through regular blade-position management.
• Often appropriate where on-site work benefits from an integrated scrap collector, helping keep the cleaving area cleaner and reducing loose shard handling during routine splicing prep.
• Typically works well when operators can keep basic discipline around clamp/pressure-pad cleanliness, which supports stable end-face quality over time.

2. When This Product May NOT Be Suitable

• May not be appropriate when daily work frequently involves fiber forms outside the stated 0.25mm / 0.9mm coatings or different handling fixtures, where clamping behavior becomes inconsistent.
• Often not suitable for workflows that require ribbon cleaving, since this model is positioned primarily for single-fiber preparation.
• May be less suitable in environments where routine cleaning is hard to maintain and debris buildup can affect the one-step mechanism’s repeatability.
• May not fit teams that cannot consistently manage blade-position rotation, where uneven wear can gradually reduce cleave consistency across operators or sites.

3. Common Selection Mistakes to Avoid

• Treating “no blade-height adjustment” as meaning no maintenance, and neglecting blade-position rotation until cleave quality drifts.
• Switching between fiber forms or handling habits without verifying clamping stability, which commonly leads to slippage or variable end-face outcomes.
• Letting fiber shards accumulate in or around the scrap collector area, which can interfere with clamp action and create inconsistent results.
• Continuing work after abnormal cleaves appear, instead of stopping to check blade wear position and clamp cleanliness, which often prevents repeated re-cleaves.

FEATURE DETAILS

• High-Precision Blade Design: Blade has 24 sharp cutting points, minimizing splice loss.
• Compact Construction: Its aluminum alloy housing provides both strength and lightweight portability.
• Efficient One-Step Cleaving: Easy-to-use operation with one-step cleaving mechanism for efficiency.
• Easy to Operate: No need to adjust blade height, smart pressure pads to prevent damage to fibers.
• Integrated Fiber Scrap Collector: Easy-step operation to complete the cleaving and collection of waste fiber shards.

PRODUCT SPECIFICATIONS

APPLICATION DETAILS

• FTTH Installation: Used for preparing drop fibers before splicing and connector assembly.
• Telecom Networks: Ensures high-precision cleaving for reliable fiber jointing in central office or outdoor enclosures.
• Data Centers: Supports efficient maintenance and expansion of high-speed optical networks.
• Production Lines: Used in optical component manufacturing for accurate fiber termination.
• Field Maintenance: Compact design makes it convenient for on-site repair and installation tasks.

FAQ

Q1: What is the lifespan of the FC-689 blade?

A1: Each blade has 24 cutting points and can perform up to 48,000 cleaves before replacement.

Q2: Is the FC-689 suitable for both 250μm and 900μm fibers?

A2: Yes, it is compatible with both coating diameters and supports adjustable cleave lengths.

Q3: How precise is the cleaving angle?

A3: The cleaving angle is ≤ 0.5°, ensuring optimal end-face quality for low-loss splicing.

Q4: Does it include a fiber scrap collector?

A4: Yes, the FC-689 has a built-in fiber scrap collector for clean and safe operation.

Q5: How is the blade rotation handled?

A5: The rotary blade is manually adjustable with 24 positions for extended use.

Q6: Is this cleaver suitable for field use?

A6: Absolutely. Its compact and lightweight design makes it ideal for field technicians.

Q7: Can it be used for ribbon fibers?

A7: It is primarily designed for single fibers; please check our ribbon cleaver models for multi-fiber applications.

Q8: How do I maintain the cleaver for best performance?

A8: Keep the blade and clamp clean, rotate the blade regularly, and store the cleaver in its protective case after use.