Description
OPTO22 SNAP-AIR40K-4
Reliable four-channel analog signal acquisition for scalable OPTO22 SNAP industrial control systems
| Brand | OPTO22 |
| Model | SNAP-AIR40K-4 |
| Voltage | 5 VDC supplied by SNAP I/O mounting rack |
| Country of Origin | United States |
| Weight | Approximately 0.2 kg |
| Dimensions | Approximately 9.7 x 6.6 x 2.3 cm |
| Warranty | 6 months |
| Certifications | CE, UL, RoHS |
| SKU / MPN | SNAP-AIR40K-4 |
| What’s in the box | SNAP-AIR40K-4 analog input module and product documentation |
| Module Type | 4-channel analog input module |
| Input Signal | 4-20 mA current input |
| Channels | 4 independently configurable channels |
| Resolution | 16-bit analog-to-digital conversion |
| Communication | SNAP I/O bus interface |
| Mounting | SNAP I/O rack mounting |
Key benefits: Four-channel design, accurate current measurement, compact modular construction, easy SNAP rack integration, and reduced wiring complexity
Typical applications: Process monitoring, industrial instrumentation, factory automation, tank-level measurement, flow monitoring, and machine control
Lifecycle: Active product with ongoing industrial automation 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.







Kevin H. –
Excellent build quality on the terminal blocks. Makes panel wiring neat and fast.