Description
Allen-Bradley 440R-E23191
Compact and reliable safety relay for monitoring emergency stop circuits and guarding devices in industrial machinery applications
| Brand | Allen-Bradley |
| Model | 440R-E23191 |
| Voltage | 24V DC |
| Country of Origin | USA |
| Weight | 0.2 kg |
| Dimensions | 22.5 x 99 x 114 mm |
| Warranty | 12 months |
| Certifications | CE, UL, cUL, TUV, CSA |
| SKU / MPN | 440R-E23191 |
| What’s in the box | Safety relay, installation manual, mounting clips |
| Safety Contacts | 3 NO + 1 NC |
| Supply Voltage | 24V DC |
| Mounting Type | DIN Rail 35 mm |
| Response Time | <20 ms |
| Terminal Type | Screw |
| Protection Rating | IP20 |
Key benefits: Fast response time, compact DIN rail design, reliable safety monitoring, easy installation, multiple safety contacts, globally certified
Typical applications: Emergency stop circuits, safety gate monitoring, light curtain integration, press protection, machine guarding, conveyor safety systems
Lifecycle: Active product, ongoing availability through Rockwell Automation distribution
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.








Michael T. –
Reliable PLC module, works flawlessly in our testing environment.