Official DistributorSKU
MPN
PSR-MS21-1NO-1DO-24DC-SC
Weight
0.083 kg
Series PSR-MS
PSR-MS21-1NO-1DO-24DC-SC - Safety relays
Safety relay for failsafe controllers up to SILCL 3, Cat. 4, PL e, 1-channel operation, autostart, 1 enabling current path, US = 24 V DC in accordance with IEC 61131-6, fixed screw terminal block
- Up to Cat. 4/PL e in accordance with EN ISO 13849-1, SIL 3 in accordance with EN IEC 62061
- Low housing width of just 6.8 mm
- 1-channel control
- 1 enabling current path, 1 digital signal output
- Couples digital output signals from failsafe controllers to I/O devices (valves, etc.) for electrical isolation and power adaptation
- Automatic activation
Technical Specifications
Product properties
| Product family | PSRmini |
| Application | Controllers |
| Relay type | Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3 |
Times
| Typical response time | < 150 ms (automatic start) |
| Typ. starting time with Us | < 250 ms (when controlled via A1) |
| Typical release time | < 20 ms (when controlled via A1) |
| Restart time | < 1 s |
| Recovery time | < 500 ms |
Electrical properties
| Maximum power dissipation for nominal condition | 3.1 W (at US = 30 V, IL² = 36 A²) |
| Nominal operating mode | 100% operating factor |
Air clearances and creepage distances between the power circuits
| Rated Insulation Voltage | 250 V AC |
| Rated Insulation Voltage | 250 V AC |
| Rated surge voltage/insulation | Safe isolation, reinforced insulation 6 kV between input circuit and enabling current path (13/14)Basic insulation 4 kV between all current paths and housing |
Supply
| Rated control circuit supply voltage US | 19.2 V DC ... 30 V DC |
| Rated control circuit supply voltage US | 24 V DC -20 % / +25 % (at A1) |
| Rated control supply current IS | typ. 35 mA |
| Power consumption at US | typ. 840 mW |
| Inrush Current | 150 mA (Δt = 25 ms at Us) |
| Filter time | 2.5 ms (at A1 in the event of voltage dips at Us) |
| Filter time | max. 3 ms (at A1; test pulse width; blanking pulses/dark test) |
| Filter time | 1 s (at A1; test pulse rate; blanking pulses/dark test) |
| Filter time | Where test pulse width ≤ 1 ms: test pulse rate = 5 x test pulse width |
| Filter time | max. 1 ms (at A1; test pulse width; switch-on pulses/light test) |
| Filter time | 100 ms (at A1; test pulse rate; switch-on pulses/light test) |
| Filter time | Unless switch-on pulses/light tests are safety-related, they should be disabled. |
| Protective circuit | Surge protection; Suppressor diode |
| Protective circuit | Protection against polarity reversal for rated control circuit supply voltage |
Digital
| Inrush Current | < 10 mA (with Us/Ix to S35) |
| Max. permissible overall conductor resistance | 150 Ω |
| Voltage at input/start and feedback circuit | 24 V DC -20 % / +25 % |
| Current consumption | < 2 mA (with Us/Ix to S35) |
Relay: Enabling current path
| Output description | safety-related N/O contacts |
| Number of Outputs | 1 (undelayed) |
| Contact switching type | 1 enabling current path |
| Contact Material | AgSnO2 |
| Switching voltage | min. 12 V AC/DC |
| Switching voltage | max. 250 V AC/DC (Observe the load curve) |
| Switching capacity | min. 60 mW |
| Inrush Current | min. 3 mA |
| Inrush Current | max. 6 A |
| Limiting Continuous Current | 6 A (observe derating) |
| Sq. Total current | 36 A2 (observe derating) |
| Switching frequency | max. 0.5 Hz |
| Mechanical service life | 10x 106 cycles |
| Output fuse | 6 A gL/gG (N/O contact) |
| Output fuse | 4 A gL/gG (for low-demand applications) |
Signal
| Output description | non-safety-related |
| Number of Outputs | 1 (digital, PNP) |
| Voltage | typ. 21 V DC (Voltage at terminal block “24V” - 3 V) |
| Current | max. 100 mA |
| Maximum Inrush Current | 500 mA (Δt = 1 ms at Us) |
| Short-circuit protection | Yes |
Connection technology
| pluggable | no |
Conductor connection
| Connection Method | Screw connection |
| Conductor cross section rigid | 0.2 mm² ... 2.5 mm² |
| Conductor cross section flexible | 0.2 mm² ... 2.5 mm² |
| Conductor cross-section AWG | 26 ... 12 |
| Stripping length | 12 mm |
| Screw thread | M3 |
| Tightening torque | 0.5 Nm ... 0.6 Nm |
Signaling
| Status display | 2 x green LEDs |
| Operating voltage display | 1 x green LED |
Dimensions
| Width | 6.8 mm |
| Height | 93.1 mm |
| Depth | 102.5 mm |
Material specifications
| Color (Housing) | yellow (RAL 1018) |
| Housing Material | PBT |
Safety data
| Stop category | 0 |
Safety data: EN ISO 13849
| Category | 4 |
| Performance level (PL) | e (4 A DC13; 5 A AC15; 8760 switching cycles/year) |
Safety data: IEC 61508 - High demand
| Safety Integrity Level (SIL) | 3 (4 A DC13; 5 A AC15; 8760 switching cycles/year) |
Safety data: IEC 61508 - Low demand
| Safety Integrity Level (SIL) | 3 |
Safety data: EN IEC 62061
| Safety Integrity Level (SIL) | 3 (4 A DC13; 5 A AC15; 8760 switching cycles/year) |
Ambient conditions
| Degree of Protection | IP20 |
| Min. degree of protection of inst. location | IP54 |
| Ambient Temperature (Operation) | -40 °C ... 60 °C (observe derating) |
| Ambient temperature (storage/transport) | -40 °C ... 85 °C |
| Maximum altitude | ≤ 2000 m (Above sea level) |
| Max. permissible humidity (storage/transport) | 75 % (on average, 85% infrequently, non-condensing) |
| Max. permissible relative humidity (operation) | 75 % (on average, 85% infrequently, non-condensing) |
| Shock | 15g |
| Vibration (Operation) | 10 Hz ... 150 Hz, 2g |
CE
| Certificate | CE-compliant |
Air clearances and creepage distances between the power circuits
| Standards/regulations | DIN EN 50178 |
Mounting
| Mounting Type | DIN rail mounting |
| Assembly instructions | See derating curve |
| Mounting Position | vertical or horizontal |
Accessories
Why Proax for Phoenix Contact 2702192?
Proax is an authorized distributor of Phoenix Contact 2702192 and one of Phoenix Contact's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.
Have a question in mind? to help you get the right product as quickly as possible for your project. We're always here to help!
Short Lead Time
Highly Trained Staff
Live Chat
Technical Support
Local Inventory
60+ Years Experience
Additional Information
| Pack Size | 1 |
Recommended
2904950 - Safety relay for emergency stop and safety doors up to SIL 1, Cat. 1, PL c, depending on the application up to SIL 3, Cat. 4, PL e, 1-channel operation, automatic start, 1 enabling current path, US = 24 V DC, fixed screw terminal block
2904951 - Safety relay for emergency stop and safety doors up to SIL 1, Cat. 1, PL c, depending on the application up to SIL 3, Cat. 4, PL e, 1-channel operation, manual, monitored start, 1 enabling current path, US = 24 V DC, fixed screw terminal block
2904952 - Safety relay for emergency stop and safety doors up to SILCLSIL 3, Cat. 4, PL e, 1 or 2-channel operation, automatic start, cross-circuit detection, 1 enabling current path, US = 24 V DC, fixed screw terminal block
2904953 - Safety relay for emergency stop and safety doors up to SIL 3, Cat. 4, PL e, 1 or 2-channel operation, manual, monitored start, cross-circuit detection, 1 enabling current path, US = 24 V DC, fixed screw terminal block
2904954 - Safety relay for emergency stop and safety doors up to SIL 3, Cat. 4, PL e, 1 or 2-channel operation, automatic start, 1 enabling current path, US = 24 V DC, fixed screw terminal block
2904955 - Safety relay for emergency stop and safety doors up to SIL 3, Cat. 4, PL e, 1 or 2-channel operation, manual, monitored start, 1 enabling current path, US = 24 V DC, fixed screw terminal block
2904956 - Safety relay for monitoring non-equivalent signal generators up to SIL 3, Cat. 4, PL e, 2-channel, non-equivalent operation, automatic start, 1 enabling current path, US = 24 V DC, fixed screw terminal block
2904957 - Safety relay for monitoring non-equivalent signal generators up to SIL 3, Cat. 4, PL e, 2-channel, non-equivalent operation, manual, monitored start, 1 enabling current path, US = 24 V DC, fixed screw terminal block
2904958 - Safety relay for emergency stop, safety doors, and light grids up to SIL 3, Cat. 4, PL e, 1 or 2-channel operation, automatic start, 2 enabling current paths (1-channel), US = 24 V DC, fixed screw terminal block
2702355 - Safety relay module for sensor-free zero-speed monitoring for 3- and 1-phase motors up to SIL 3, Cat. 3, PL e, 2-channel evaluation of the residual voltage of AC, three-phase, and DC motors, plug-in screw terminal block, width: 12.5 mm- 2702356 - Safety relay module for sensor-free zero-speed monitoring for 3- and 1-phase motors up to SIL 3, Cat. 3, PL e, 2-channel evaluation of the residual voltage of AC, three-phase, and DC motors, plug-in Push-in terminal block, width: 12.5 mm
2702357 - 2-channel over-speed and zero-speed safety relay up to SIL 3, Cat. 4, PL e, 2 safe relay outputs, suitable for connecting HTL, TTL, or sine/cosine encoders as well as proximity switches, plug-in screw terminal block, width: 22.5 mm
2702358 - 2-channel over-speed and zero-speed safety relay up to SIL 3, Cat. 4, PL e, 2 safe relay outputs, suitable for connecting HTL, TTL, or sine/cosine encoders as well as proximity switches, plug-in Push-in terminal block, width: 22.5 mm
1249515 - Safety relay module for sensor-free speed and speed range monitoring up to SIL 3, Cat. 4, PL e, 2-channel evaluation of the rotating field of AC and three-phase motors, plug-in screw terminal block, width: 12.5 mm
1249516 - Safety relay module for sensor-free speed and speed range monitoring up to SIL 3, Cat. 4, PL e, 2-channel evaluation of the rotating field of AC and three-phase motors, plug-in Push-in terminal block, width: 12.5 mm