$ 201.94
Enhance industrial safety with Phoenix Contact PSR-SCP-24DC/SDC4/2X1/B. SIL 3, Cat.4 PL e rated relay for emergency stop, safety door, and light grid control.
The Phoenix Contact PSR-SCP-24DC/SDC4/2X1/B Safety Relay is an industrial-grade device engineered for reliable safety monitoring in emergency stop systems, safety doors, magnetic switches, and light grids. It achieves SIL 3 and Category 4 / PL e safety levels, ensuring high-level protection in accordance with global safety standards. Designed with a modular TBUS connection system, it supports both automatic and manual reset modes, offering flexibility in various control setups. Its compact, 22.5 mm housing and robust relay design make it a practical solution for safeguarding machinery and personnel across automated manufacturing and processing environments.
The PSR-SCP-24DC/SDC4/2X1/B relay provides dependable performance through force-guided relay contacts that ensure secure switching under fault conditions. It allows single- and dual-channel control, ideal for monitoring multiple safety inputs simultaneously. The unit’s low power consumption, fast response times, and easy DIN-rail mounting simplify integration into existing safety systems. Built to endure industrial conditions from –20°C to +55°C, it ensures operational reliability even in challenging settings. By supporting emergency stop and safety interlock functions, this relay enhances workplace safety, reduces downtime, and helps maintain consistent production efficiency.
Why PSR-SCP-24DC/SDC4/2X1/B?
Choose the Phoenix Contact PSR-SCP-24DC/SDC4/2X1/B for its proven reliability in high-demand safety circuits. This compact yet powerful relay combines redundant safety paths, fast response, and easy modular expansion through the TBUS interface—ensuring your machines stay protected while maintaining peak performance and minimal wiring effort in any industrial setup.
What Problem Does It Solve?
The PSR-SCP-24DC/SDC4/2X1/B eliminates safety gaps in complex automation systems by providing fail-safe shutdown during emergency or fault conditions. It protects workers and equipment by continuously monitoring emergency stops, safety doors, and sensors—transforming potential hazards into controlled, safe stops that prevent accidents and costly downtime.
| Feature | Details | Benefit |
|---|---|---|
| Rated Supply Voltage | 24 V DC | Compatible with common industrial control voltages. |
| Control Channels | 1- or 2-channel operation | Provides flexibility for different safety configurations. |
| Safety Certification | SIL 3 / Cat. 4 / PL e | Meets top-tier safety standards for machine and operator protection. |
| Output Contacts | 2 enabling paths + 1 signaling output | Ensures redundancy and clear status indication. |
| Relay Type | Electromechanical with force-guided contacts | Guarantees safe disconnection during failure conditions. |
| Response / Release Time | 20 ms / 10 ms typical | Provides rapid fault detection and system shutdown. |
| Operating Temperature Range | –20 °C to +55 °C | Designed for stable performance in harsh environments. |
| Protection Rating | IP20 (housing), IP54 (installation) | Protects against dust and accidental contact. |
| Mounting Type | DIN rail | Simplifies installation and module replacement. |
| Connection Type | Plug-in screw terminals | Enables quick and secure wiring for maintenance efficiency. |
| Housing Material / Color | PA, Yellow (RAL 1018) | Durable, visible housing improves safety identification. |
| Mechanical Service Life | Approx. 10⁷ cycles | Ensures long operational lifespan and reduced maintenance costs. |
| Modular Extension | TBUS Interface | Allows seamless integration with PSR modules for expanded safety systems. |
| Applications | Emergency stop, safety door, light grid, magnetic switch monitoring | Supports multiple safety functions within one device. |
Download Phoenix Contact PSR-SCP-24DC/SDC4/2X1/B (2981486) Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4046356051682 |
| Customs tariff number | 85371098 |
| Weight (per piece) | 224.8 g (excluding packaging) |
| Country of Origin | Germany (DE) |
In modern food packaging systems, multiple moving conveyors and sealing machines operate at high speed. The PSR-SCP-24DC/SDC4/2X1/B safety relay monitors emergency stop buttons, door interlocks, and light grids to ensure instant power isolation when a guard is opened or a worker enters a restricted zone. Its dual-channel control and force-guided contacts enable rapid and secure shutdowns, protecting operators from mechanical hazards while maintaining strict hygiene and safety compliance during production.
In vehicle manufacturing plants, robotic arms handle welding, painting, and assembly tasks in confined work areas. The safety relay continuously checks door switches, sensors, and e-stop circuits, ensuring machinery halts the moment unauthorized access occurs. Its self-monitoring diagnostics prevent unsafe restarts if wiring faults or contact failures are detected. This provides a controlled, safe environment where robots can resume operations only when all zones are verified as hazard-free, reducing downtime and operator risk.
CNC machines require reliable safety control to protect operators during setup and maintenance. The PSR-SCP-24DC/SDC4/2X1/B supervises door locks, emergency stops, and limit switches that secure the workspace. Its quick response time ensures cutting tools and spindles stop immediately upon detecting unsafe conditions. The relay’s compact design fits neatly into control panels, while its robust relay contacts ensure long-term durability under continuous machine operation, helping manufacturers maintain precision, uptime, and compliance with industrial safety regulations.
In logistics centers and distribution warehouses, conveyors and sorters run continuously with minimal supervision. The safety relay links multiple emergency pull cords, sensors, and light grids across the system, providing centralized control for immediate line stoppage during abnormal events. Its modular TBUS connection simplifies integration across multiple zones, enabling fast installation and easy troubleshooting. This ensures smooth, safe material flow while minimizing potential injuries, downtime, and costly damage to mechanical or electrical components.
| Category | Model Name | Part Number | Benefits |
|---|---|---|---|
| Accessory | PSR-TBUS | 2890425 | Simplifies wiring by providing a shared bus connection for power and signal transfer between multiple PSR safety modules. |
| PSR-TBUS-TP | 2981716 | Serves as a protective blind plug for unused TBUS slots, maintaining clean signal flow and preventing short circuits. | |
| PSR-TBUS-1PCS | 1326060 | Ideal for individual module installation, ensuring secure and stable connectivity on the DIN rail. | |
| Related Product | PSR-SCP-24DC/ESD4/2X1/B | 2981431 | Enhanced version for emergency stop and safety door monitoring, supporting expanded safety configurations. |
| PSR-SCP-24DC/URM4/2X1/B | 2981428 | Universal input compatibility for various safety sensors, offering flexible system integration. | |
| PSR-SCP-24DC/HT | 2981450 | Designed for high-temperature operation, ensuring consistent performance in demanding environments. | |
| PSR-M-XT-24DC/URM4/2X1/B | 2981688 | Compact modular relay providing SIL 3 safety with space-saving design for smaller control panels. |
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Warranty – 1-year warranty for your peace of mind.
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