Keyence FU-35FA

Keyence FU-35FA Reflective Fiber Unit

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Keyence FU-35FA FU-35FA Reflective Fiber Unit — Optical & Photoelectric Sensors
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Keyence FU-35FA FU-35FA Reflective Fiber Unit — Optical & Photoelectric Sensors
Keyence FU-35FA FU-35FA Reflective Fiber Unit — Optical & Photoelectric Sensors
Keyence FU-35FA FU-35FA Reflective Fiber Unit — Optical & Photoelectric Sensors

Product Description

The Keyence FU-35FA Reflective Fiber Unit is designed for high-precision detection in a variety of industrial applications. Featuring a coaxial detection arrangement and a straight shape, this fiber unit ensures reliable performance even in compact spaces. The fiber unit length is 1 meter (39.37 inches) and can be freely cut to suit specific installation requirements. With a minimum bend radius of R25 mm (0.984 inches), the FU-35FA offers flexibility in routing and installation.

Engineered to detect objects as small as a gold wire with a diameter of 0.005 mm (0.0002 inches), this fiber unit is ideal for applications requiring high sensitivity and precision. The unit operates effectively in a wide temperature range from -40 to +70 °C (-40 to 158 °F), ensuring durability and performance in various environmental conditions. Weighing approximately 6 grams, the FU-35FA is lightweight and easy to handle during installation.

Whether used in manufacturing, quality control, or automation processes, the Keyence FU-35FA Reflective Fiber Unit provides exceptional accuracy and reliability. For optimal performance, pair it with the appropriate fiber amplifier from the FS-N40 Series.

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Offer details

Best offer from:
Trusted supplier — Germany, member since 2025, 5–9 employees
Availability:
1 pc.
In-Stock
Updated at: 03-09-2026
Warranty:
12 months
Condition:
New Surplus
New Surplus - A new, unused, undamaged item without a manufacturer guarantee. The item may come without original packaging or in replacement packaging. If provided, the box may have been opened.
The Seller is responsible for shipping the product and invoicing

Specifications

Brand
Keyence
Model
FU-35FA
Size
M3
Detection arrangement
Coaxial
Shape
Straight
Minimum bend radius
R25 mm (0.984 inches)
Minimum detectable object
Gold wire with a diameter of 0.005 mm (0.0002 inches)

Available Offers

(5)
FU-35FA Keyence, Optical & Photoelectric Sensors

Keyence

Available:
14 pcs.
On Request
Updated at: 22-08-2026
Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
FU-35FA Keyence, Optical & Photoelectric Sensors

Keyence

Available:
5 pcs.
In-Stock
Updated at: 05-09-2026
Offer from:
Trusted supplier — Poland, member since 2023, 50–99 employees
Warranty:
24 months
FU-35FA Keyence, Optical & Photoelectric Sensors

Keyence

Available:
0 pcs.
On Request
Updated at: 05-09-2026
Offer from:
Trusted supplier — Italy, member since 2021, 10–19 employees
Warranty:
12 months

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Documents

Data Sheet

Datasheet for Keyence FU-35FA, including specifications and features.

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CAD Models

3D CAD model and technical drawings, ready for your design software.

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