phoenix PSR Series – Safety Relay Modules
The phoenix PSR Series offers compact, reliable, and high-performance safety relay modules for machine and process safety applications.
Designed for E-Stop, safety door, and light curtain monitoring, the PSR modules ensure maximum safety integrity with minimal space.
1. Product Table
| Part Number | Model | Description |
|---|---|---|
| 1105096 | PSR-M-TBUS1-PI | T-BUS base connector for PSRmini safety relays, push-in connection. |
| 2904958 | PSR-MS60-2NO-24DC-SC | Safety relay, 2 NO contacts, 24 V DC, screw terminal, SIL 3 / PL e. |
| 2904957 | PSR-MS55-1NO-1DO-24DC-SC | Safety relay, 1 NO + 1 DO contact, 24 V DC, SC terminal, SIL 3. |
| 2904956 | PSR-MS50-1NO-1DO-24DC-SC | Safety relay, 1 NO + 1 DO, 24 V DC, narrow 6 mm housing. |
| 2904955 | PSR-MS45-1NO-1DO-24DC-SC | Compact safety relay, 1 NO + 1 DO, 24 V DC, SIL 3 / PL e. |
| 2904954 | PSR-MS40-1NO-1DO-24DC-SC | Safety relay, 24 V DC, 1 NO + 1 DO, LED indication. |
| 2904953 | PSR-MS35-1NO-24DC-SC | Safety relay, 1 NO output, 24 V DC, screw connection. |
| 2904952 | PSR-MS30-1NO-24DC-SC | Safety relay, 1 NO contact, 24 V DC, for E-Stop or safety door. |
| 2904951 | PSR-MS25-1NO-1DO-24DC-SC | Compact safety relay, 1 NO + 1 DO, 24 V DC, SC terminal. |
| 2702192 | PSR-MS21-1NO-1DO-24DC-SC | Safety relay, 24 V DC, 1 NO + 1 DO contact, for dual-channel input. |
| 2904950 | PSR-MS20-1NO-1DO-24DC-SC | 24 V DC safety relay, 1 NO + 1 DO, SIL 3. |
| 1105142 | PSR-M-MEMORY | Memory module for PSRmini series, used for configuration backup. |
2. Technical Highlights
| Feature | Specification |
|---|---|
| Input Voltage | 24 V DC |
| Contacts | 1 NO, 2 NO, or 1 NO + 1 DO |
| Safety Level | SIL 3 (IEC 61508), PL e (EN ISO 13849) |
| Housing Width | 6 – 22.5 mm |
| Connection Type | SC (Screw) or PI (Push-in) |
| Mounting | DIN Rail |
| Indicators | LED for power and status |
| Standards | IEC 60947-5-1, EN ISO 13849, UL Listed |
3. Key Benefits
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Ultra-narrow 6 mm design saves space in control cabinets
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Certified to international safety standards (SIL 3 / PL e)
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Easy connection with T-BUS and memory module options
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Suitable for E-stop, safety door, and two-hand control
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Plug-and-play replacement without reconfiguration
4. Typical Applications
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Machine safety interlocking
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Emergency stop (E-Stop) control
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Light curtain monitoring
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Two-hand control safety
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Functional safety in production lines
phoenix PSR Series – Safety Relay Modules
Created on：2025-11-12 12:01
