Description
HIMA F 3221
High-availability safety PLC card module for mission-critical process automation with SIL 3 certified protection
| Brand | HIMA |
| Model | F 3221 |
| Voltage | 24V DC |
| Country of Origin | Germany |
| Weight | 0.35 kg |
| Dimensions | 128 x 186 x 75 mm |
| Warranty | 6 months |
| Certifications | CE, TÜV, IEC 61508 SIL 3, IEC 61511, ATEX |
| SKU / MPN | F 3221 |
| What’s in the box | F 3221 PLC Card Module, user manual, installation guide, terminal block connectors |
| Module Type | Digital Safety I/O Card |
| Safety Integrity Level | SIL 3 (IEC 61508) |
| I/O Channels | 16 Digital Input/Output |
| Communication | HIMax Safety Bus / Ethernet |
| Power Supply | 24V DC |
| Operating Temperature | -40°C to +70°C |
Key benefits: SIL 3 certified safety integrity, hot-swap capability, redundant architecture support, wide operating temperature range, seamless integration with HIMax systems, long-term product availability
Typical applications: Emergency Shutdown Systems (ESD), fire and gas detection, turbine control, burner management systems, pipeline monitoring, offshore platform safety, chemical plant process protection
Lifecycle: Active product with long-term availability and support per HIMA lifecycle management 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.








Linda B. –
Product was exactly as described. Our engineers were pleased with the performance.