Description
Allen-Bradley 440R-A32003 Safety Relay – Reliable Machine Protection
Ensure reliable machine protection and operator safety with this compact Allen-Bradley safety relay, engineered for high-integrity safety applications in industrial environments.
| Brand Name | Allen-Bradley |
| Model No. | 440R-A32003 |
| Input Voltage | 24V DC |
| Origin | USA |
| Net Weight | 0.6 lbs |
| Product Dimensions | 3.5 x 2.2 x 1.8 inches |
| Warranty Period | 2 years limited |
| Compliance | UL, CSA, CE, TUV, SIL 3 |
| Part Number | 440R-A32003 |
| Included Items | Safety Relay, Terminal Blocks, Quick Start Guide |
| Safety Category | Category 4 per EN ISO 13849-1 |
| Number of Safety Contacts | 3 N.O. + 1 N.C. |
| Response Time | < 20 ms |
| Supply Voltage Range | 20.4 to 26.4V DC |
| Reset Type | Automatic or Manual |
| Terminal Type | Screw terminals |
Key benefits: • High safety integrity with SIL 3 and Category 4 rating
• Fast response time for immediate hazard mitigation
• Flexible reset options for diverse applications
• Compact design saves panel space
Typical applications: Machine guarding, emergency stop circuits, light curtains, safety mats, press controls
Lifecycle: Active
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.





Daniel W. –
Tested the proximity switch, response time is spot on. Recommended for industrial use.