Phoenix Contact PSR-MS21-1NO-1DO-24DC-SC Safety Relay
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Safety Relay
A slim and reliable single-channel safety relay designed for 24 V DC control circuits, offering fast response times, compact installation width, and stable operation in industrial safety applications.
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Phoenix Contact PSR-MS21-1NO-1DO-24DC-SC Safety Relay
A compact and high-performance safety relay from the PSRmini family, designed for reliable monitoring of safety circuits in industrial automation systems. This unit provides fast response times, high electrical durability, and stable operation in demanding environments. Manufacturer: Phoenix Contact
Type: Safety Relay
Model: PSR-MS21-1NO-1DO-24DC-SC
Item Number: 2702192
Family: PSRmini
Control: 1-Channel
Mechanical & Environmental Data
Relay bases and sockets for various relay types are available. For compatible options, please contact us directly or visit our website to view all available models.
| Designation | 24 V |
| Rated Control Circuit Supply Voltage (US) | 24 V DC |
| Description Of Input | NPN |
| Number Of Inputs | 1 (Safety-Related) |
| Input Voltage Range "0" Signal | 0 V DC / 5 V DC |
| Input Voltage Range "1" Signal | 19.2 V DC / 30 V DC |
| Overvoltage Category | III |
| Degree Of Pollution | 2 |
| Rated Insulation Voltage | 250 V AC |
| Inrush Current | 11.5 A |
| Typical Response Time | 150 ms |
| Typical Starting Time With US | 250 ms |
| Typical Release Time | 20 ms |
| Restart Time | 1 s |
| Recovery Time | 500 ms |
| Maximum Power Dissipation (Nominal Condition) | 3.1 W |
| Nominal Operating Mode | 100% |
| Width | 6.8 mm |
| Height | 93.1 mm |
| Depth | 102.5 mm |
| Housing Material | PBT |
| Ambient Temperature (Operation) | -40 °C / +60 °C |
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