Description
KEYENCE FU-77
Compact KEYENCE fiber optic sensing solution for reliable object detection in space-constrained automation equipment
| Brand | KEYENCE |
| Model | FU-77 |
| Voltage | Not applicable (passive fiber unit) |
| Country of Origin | Japan |
| Weight | Approximately 0.01 kg |
| Dimensions | Fiber head approximately 3 mm diameter; 2 m fiber length |
| Warranty | 6 months |
| Certifications | CE, RoHS |
| SKU / MPN | FU-77 |
| What’s in the box | FU-77 fiber optic sensor unit and instruction documentation |
| Sensor Type | Reflective fiber optic unit |
| Fiber Material | Plastic fiber |
| Sensing Head | Small cylindrical head for confined spaces |
| Fiber Length | Approximately 2 m |
| Minimum Bend Radius | Approximately 25 mm |
| Compatible Amplifiers | KEYENCE FS series fiber amplifiers |
Key benefits: Small sensing head, flexible installation, reliable detection, durable industrial construction, and compatibility with KEYENCE fiber amplifiers
Typical applications: Part presence detection, assembly verification, conveyor sensing, packaging equipment, counting, and robotic workstations
Lifecycle: Active industrial product; availability depends on KEYENCE regional support and replacement policy
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.
Thomas K. –
Excellent built quality. Integrated easily into our existing control system.