Safety Relay Allen-Bradley 440R-N23129 Machine Stop
Fast Shipping
Carrier information
24/7 Support
7x24-hour service
20k products
Super many products
Payment Method
PayPal, Alipay
Allen-Bradley 440R-N23129
Compact Allen-Bradley safety relay for reliable machine guarding and emergency stop control
| Brand | Allen-Bradley |
| Model | 440R-N23129 |
| Voltage | 24V DC |
| Country of Origin | United States |
| Weight | 0.25 kg |
| Dimensions | 114x82x102 mm |
| Warranty | 6 months |
| Certifications | CE, UL, CSA, TÜV, IEC 61508, ISO 13849 |
| SKU / MPN | 440R-N23129 |
| What’s in the box | Safety relay unit, DIN rail mounting clip, terminal cover, quick-start guide |
| Safety Function | Emergency stop, safety door monitoring, machine guarding |
| Channels | 2 safety input channels |
| Output Contacts | 2 safety contacts + auxiliary contacts |
| Performance Level | PL e / Cat. 4 |
| Mounting | DIN rail |
| Reset Mode | Manual or automatic reset selectable |
Key benefits: High safety integrity, compact DIN rail design, flexible reset options, proven Allen-Bradley reliability, easy wiring and diagnostics
Typical applications: Machine guarding, emergency stop circuits, safety interlocks, packaging machines, conveyors, industrial automation panels
Lifecycle: Active product, commonly available for industrial safety control systems
1 review for Safety Relay Allen-Bradley 440R-N23129 Machine Stop
Clear filtersOur 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 competitve 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.

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