Description
Honeywell TK-PRR021 51309288-475
High-availability redundant processor for critical process control, ensuring uninterrupted operation and maximum uptime.
| Brand | Honeywell |
| Model | TK-PRR021 51309288-475 |
| Voltage | 24V DC |
| Country of Origin | USA |
| Weight | 1.2 kg |
| Dimensions | 180x120x80 mm |
| Warranty | 6 months |
| Certifications | CE, UL, ATEX |
| SKU / MPN | 51309288-475 |
| What’s in the box | Redundant processor module, mounting bracket, terminal blocks, installation manual |
| Redundancy Type | 1oo1D (One out of One with Diagnostics) |
| Processor Speed | 400 MHz |
| Memory | 512 MB RAM, 2 GB Flash |
| Communication Interfaces | Ethernet, RS-232, RS-485 |
| Operating Temperature | -40°C to +70°C |
| MTBF | >1,000,000 hours |
Key benefits: Hot-swappable redundancy, advanced diagnostics, seamless failover, extended temperature range, long lifecycle support.
Typical applications: Oil and gas refining, chemical processing, power generation, water treatment, critical infrastructure control.
Lifecycle: Active product, 15+ years 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.
Thomas K. –
Excellent built quality. Integrated easily into our existing control system.