Description
Siemens S25659-B2231-A140-11.R
High-precision fiber optic amplifier for reliable detection in compact industrial spaces
| Brand | Siemens |
| Model | S25659-B2231-A140-11.R |
| Voltage | 24V DC |
| Country of Origin | Germany |
| Weight | 0.15 kg |
| Dimensions | 80x35x60 mm |
| Warranty | 6 months |
| Certifications | CE, UL, RoHS |
| SKU / MPN | S25659-B2231-A140-11.R |
| What’s in the box | Fiber optic amplifier, mounting bracket, instruction manual |
| Fiber Type | Glass or plastic fiber optic |
| Output Type | PNP/NPN selectable |
| Response Time | 0.5 ms |
| Sensing Range | 0-100 mm |
Key benefits: Fast response, flexible fiber compatibility, robust design, easy adjustment
Typical applications: Part detection in assembly lines, position sensing in packaging machines, presence verification in automated production
Lifecycle: Active product, long-term availability
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.





Patricia E. –
Good quality sensor, accurate readings. Will order more for our production line.