Description
Renishaw ATOM4T0-300-03
Compact, high-performance optical readhead for precise linear and rotary motion feedback in demanding automation systems
| Brand | Renishaw |
| Model | ATOM4T0-300-03 |
| Voltage | 5 V DC ±5% |
| Country of Origin | United Kingdom |
| Weight | Approximately 0.01 kg |
| Dimensions | Approximately 36 x 20 x 12 mm |
| Warranty | 6 months |
| Certifications | CE, RoHS |
| SKU / MPN | ATOM4T0-300-03 |
| What’s in the box | Renishaw ATOM4 optical readhead, mounting accessories, installation documentation |
| Product Type | Incremental optical encoder readhead |
| Scale Pitch | 20 µm |
| Output Interface | TTL incremental, A/B/Z signals |
| Maximum Resolution | Up to 1 nm, system dependent |
| Maximum Speed | Up to 20 m/s, system dependent |
| Operating Temperature | 0 to 55 °C |
Key benefits: Miniature form factor, high measurement resolution, reliable non-contact sensing, fast motion feedback, and straightforward machine integration
Typical applications: CNC machine tools, semiconductor equipment, precision stages, coordinate measuring machines, robotics, and industrial motion control
Lifecycle: Active industrial encoder product; service life depends on installation, environmental conditions, and maintenance
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.







Daniel W. –
Tested the proximity switch, response time is spot on. Recommended for industrial use.