Phoenix Contact PSR-M Series Modular Safety Relays
Compact and Reliable Modular Safety Controllers for Machine Safety
The Phoenix Contact PSR-M Series offers a flexible and space-saving safety relay solution for machine and process safety applications. With multiple input/output configurations, the PSR-M modules enable reliable monitoring of safety functions such as emergency stop, door switches, and light curtains.
Designed for modular expansion and easy configuration, the PSR-M family is ideal for small to medium-sized safety systems that require high reliability and quick installation.
Key Features
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Compact Modular Design
Space-saving modules ideal for control cabinets with limited space. -
Flexible I/O Configuration
Multiple safety inputs and outputs support diverse safety devices. -
High Diagnostic Capability
LED status indicators and clear signal feedback simplify troubleshooting. -
Plug-and-Play Expansion
Modules can be easily combined or extended for complex safety functions. -
Robust and Certified
Meets EN ISO 13849-1 and IEC 61508 standards for SIL and PL ratings.
Recommended Models
| Order No. | Model | Inputs / Outputs | Interface | Description |
|---|---|---|---|---|
| 1337855 | PSR-M-B3-XC-SDI8-SDO4-DO4-PI | 8 x Safe IN / 4 x Safe OUT / 4 x Standard OUT | PI interface | Extended temperature (-40°C…+70°C) version |
| 1337849 | PSR-M-B2-XC-SDI8-SDO4-DO4-PI | 8 x Safe IN / 4 x Safe OUT / 4 x Standard OUT | PI interface | XC type, high vibration resistance |
| 1104974 | PSR-M-B2-SDI8-SDO4-DO4-SC | 8 x Safe IN / 4 x Safe OUT / 4 x Standard OUT | SC interface | Standard version for compact safety systems |
| 1104975 | PSR-M-B2-SDI8-SDO4-DO4-PI | 8 x Safe IN / 4 x Safe OUT / 4 x Standard OUT | PI interface | Suitable for PROFIsafe or network integration |
| 1104901 | PSR-M-B1-SDI8-SDO2-DO2-SC | 8 x Safe IN / 2 x Safe OUT / 2 x Standard OUT | SC interface | Compact safety relay base module |
| 1104981 | PSR-M-B1-SDI8-SDO2-DO2-SC | 8 x Safe IN / 2 x Safe OUT / 2 x Standard OUT | SC interface | Equivalent functional model |
| 1104972 | PSR-M-B1-SDI8-SDO2-DO2-PI | 8 x Safe IN / 2 x Safe OUT / 2 x Standard OUT | PI interface | Communication-enabled version |
Applications
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Machine tool and robotics safety
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Conveyor and packaging line protection
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Press and motion control safety circuits
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Safety door and light curtain monitoring
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Distributed modular safety systems
Selection Tips
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Determine Input/Output Requirements
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Choose B1 models for basic 2-output safety functions.
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Choose B2 or B3 models for systems requiring multiple outputs.
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Select Interface Type
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PI interface for fieldbus or network communication (e.g., PROFIsafe).
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SC interface for standalone control systems.
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Consider Environmental Conditions
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XC versions are ideal for extended temperature or vibration environments.
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Plan for Scalability
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Combine PSR-M modules to build expandable safety architectures.
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Conclusion
The Phoenix Contact PSR-M Series delivers modular flexibility, high reliability, and simplified integration for industrial safety systems. Whether for simple emergency stop circuits or complex machine networks, PSR-M ensures efficient safety control and compliance with international standards.
Phoenix Contact PSR-M Series Modular Safety Relays
