Description
Allen-Bradley 440N-Z21S26B
High-reliability coded safety interlock switch for guarding machine access points with positive opening contacts
| Brand | Allen-Bradley |
| Model | 440N-Z21S26B |
| Voltage | 24V DC / 250V AC |
| Country of Origin | USA |
| Weight | 0.12 kg |
| Dimensions | 72x40x28 mm |
| Warranty | 6 months |
| Certifications | CE, UL, CSA, ISO 13849 PL d, IEC 62061 SIL 2 |
| SKU / MPN | 440N-Z21S26B |
| What’s in the box | Safety interlock switch, coded key, mounting hardware, quick-start guide |
| Contact Configuration | 2 NC + 1 NO |
| Interlock Type | Coded (mechanical key) |
| IP Rating | IP67 |
| Operating Force | 25 N |
| Mounting | Screw mount, 4-hole pattern |
| Temperature Range | -25°C to +85°C |
Key benefits: Coded key prevents defeat by unauthorized personnel, positive opening action on contacts, IP67 sealed for washdown environments, long mechanical life exceeding 1 million cycles, compact form factor
Typical applications: Machine guarding, safety doors on CNC machines, conveyor access panels, packaging machinery, robotic cell enclosures, press brakes
Lifecycle: Active product, long-term availability guaranteed by Rockwell Automation
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
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Competitively priced
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Orders usually ship the same day
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Individually inspected
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Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
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Kevin H. –
Trustworthy supplier for industrial components. Will purchase again.