The Allen-Bradley 440R-H23180 is a high-performance Guardmaster Minotaur MSR230P safety relay / expansion module designed to extend the output capabilities of primary safety control systems. Operating on a 24V DC supply, this module allows for the safe and reliable multiplication of safety-related outputs in industrial automation and machine safety environments. Equipped with 4 Normally Open (N.O.) safety outputs and 2 Normally Closed (N.C.) auxiliary outputs, it provides versatile signaling and monitoring interfaces. The unit features convenient removable terminals for rapid wiring, simplified maintenance, and reduced machine downtime. Housed in a compact 45mm DIN-rail enclosure, it integrates seamlessly into standard control panels to help systems meet stringent safety standards (up to Cat 4 / PL e).
| Specifications | |
| Product Make | ALLEN-BRADLEY |
| Part Number / MPN | 440R-H23180 |
| Model Series | Guardmaster Minotaur MSR230P |
| Supply Voltage | 24V DC |
| Safety Contacts | 4 N.O. (Normally Open) |
| Auxiliary Contacts | 2 N.C. (Normally Closed) |
| Terminal Type | Removable Terminals |
| Housing Width | 45 mm |
| Mounting Type | Standard 35mm DIN Rail |
| Safety Integrity Level | Suitable for Cat 4 / PL e applications |
| Condition | NEW |
| Warranty | 1 YEAR |
| Country of Origin | Germany |
| Protection Degree | IP40 (Housing), IP20 (Terminals) |
| Length | 114.5 |
| Width | 45 mm |
| Height | 99 mm |
| Weight | 215 g |










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