Description
KEYENCE FU-A40
High-precision reflective fiber optic unit for reliable detection of small or transparent objects in tight spaces
| Brand | KEYENCE |
| Model | FU-A40 |
| Voltage | 12-24V DC (via compatible amplifier) |
| Country of Origin | Japan |
| Weight | 15 g |
| Dimensions | M4 thread, 2 m fiber cable length |
| Certifications | CE, UL, RoHS, IP67 |
| SKU / MPN | FU-A40 |
| What’s in the box | FU-A40 fiber unit, mounting nut, instruction manual |
| Detection Type | Reflective (Diffuse-reflective) |
| Fiber Length | 2 m (free-cut) |
| Detection Range | 1-20 mm (depending on amplifier) |
| Fiber Core Size | 0.5 mm |
| Operating Temperature | -20 to +70 °C |
| Compatible Amplifiers | KEYENCE FS-N, FS-V, FS-V10 series |
Key benefits: M4 threaded compact head, free-cut 2m fiber, IP67 rated, wide amplifier compatibility, high-speed response, resistant to harsh environments
Typical applications: PCB component detection, semiconductor wafer positioning, small part counting on conveyors, label detection on packaging lines, transparent object detection in bottling and pharmaceutical industries
Lifecycle: Active product, expected 7-10 years availability with full manufacturer support
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.
Linda B. –
Good technical parameters, exactly as datasheet. Easy to commission.