Description
Honeywell A4021A1002
Reliable Honeywell controller for integrating monitoring, regulation, and automated control functions
| Brand | Honeywell |
| Model | A4021A1002 |
| Voltage | 24V AC/DC |
| Country of Origin | United States |
| Weight | Approximately 0.5 kg |
| Dimensions | Approximately 150 x 100 x 50 mm |
| Warranty | 6 months |
| Certifications | CE, UL, RoHS |
| SKU / MPN | A4021A1002 |
| What’s in the box | Honeywell controller, mounting hardware, installation documentation |
| Product Type | Industrial automation controller |
| Power Supply | 24V AC/DC |
| Control Function | Building and industrial process control |
| Communication | Honeywell-compatible control network |
| Mounting | Panel or DIN rail mounting |
| Operating Environment | Industrial and commercial automation systems |
Key benefits: Industrial-grade reliability, compact installation, flexible system integration, simplified maintenance, and dependable control performance
Typical applications: Building automation, HVAC control, process monitoring, equipment control, and industrial facility management
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.





Linda B. –
Well-manufactured linear guide, smooth motion. Quick shipping.