$ 184.00
Phoenix Contact PSR-SCP-24UC/ESAM4/2X1/1X2 safety relay ensures SIL 3, Cat.4 protection. Reliable E-stop and safety door monitoring in compact design.
The Phoenix Contact PSR-SCP-24UC/ESAM4/2X1/1X2 Safety Relay is engineered to deliver reliable protection for machinery and operators by supervising emergency stop buttons and safety doors. Built to achieve SIL 3, Category 4, and Performance Level e, it provides the highest level of safety integrity for industrial automation. With a 24 V DC operating voltage and a slim 22.5 mm housing, it integrates seamlessly into control cabinets. Featuring two redundant enabling circuits and one signaling path, this device ensures dependable shutdown when critical faults occur. It combines fast response with durable electromechanical relay design, offering a proven solution for industrial safety applications.
The PSR-SCP-24UC/ESAM4/2X1/1X2 brings flexibility to machine builders by supporting both manual and automatic reset functions in one device. Its two-channel monitoring design enhances fault tolerance and reliability, while the built-in LEDs provide instant feedback for operational status and diagnostics. Compact dimensions reduce panel space requirements, and robust construction guarantees a long service life under vibration and industrial stress. By securing safety functions in packaging, robotics, conveyor systems, or process lines, this relay reduces downtime and prevents costly accidents. It offers peace of mind by ensuring compliance with international safety standards and protecting both personnel and equipment.
Why Phoenix Contact PSR-SCP-24UC/ESAM4/2X1/1X2?
Because it blends compact design, dual-channel monitoring, and force-guided relays into one reliable safety device. It achieves SIL 3 and Category 4 performance without compromise, giving machine builders and operators the confidence of maximum protection with minimum panel space.
What problem does it solve?
It eliminates the risk of unsafe machine operation by ensuring emergency stops and safety doors trigger dependable shutdowns. Instead of relying on complex wiring or multiple devices, this safety relay centralizes critical protection in one unit, preventing accidents and minimizing downtime.
| Feature | Details | Benefit |
|---|---|---|
| Safety Standards | SIL 3, Cat.4, PL e | Ensures maximum operator and machine protection |
| Operating Voltage | 24 V DC (–15% / +10%) | Compatible with standard control systems |
| Channels | 2-channel operation | Enhances redundancy and fault tolerance |
| Enabling Paths | 2 enabling current paths | Provides reliable safety shutdowns |
| Signaling Path | 1 signaling current path | Clear status feedback for system monitoring |
| Reset Functions | Manual and automatic reset | Flexibility to suit different machine designs |
| Housing Width | 22.5 mm | Space-saving DIN rail installation |
| Service Life | Approx. 10⁷ cycles | Long-lasting reliability in industrial use |
| Operating Temperature | –20 °C … +55 °C | Suitable for diverse industrial environments |
| Ingress Protection | IP20 (housing) | Safe for installation in protected control panels |
| Connection | Plug-in screw terminal blocks | Quick wiring and easy maintenance |
| Status Indicators | 3× LED (green) + 1× LED (green for supply) | Simplifies diagnostics and reduces downtime |
Download PSR-SCP-24UC/ESAM4/2X1/1X2 (2900525) Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4046356515658 |
| Tariff Number | 85371098 |
| Weight | 137.48 g (net), 183.1 g (with packing) |
| Country of Origin | Germany (DE) |
High-speed case packers in packaging facilities require strict safety controls due to frequent operator interaction for clearing jams and loading cartons. By integrating the PSR-SCP-24UC/ESAM4/2X1/1X2 safety relay, emergency stop buttons and guard doors are constantly monitored. The dual enabling paths ensure machines halt reliably if a safety input is triggered, even in the event of a fault. Compact dimensions make installation simple in crowded control cabinets, while LED status indicators allow technicians to quickly identify issues. This combination reduces both downtime and the risk of injury.
Robotic welding and assembly cells often involve fast, unexpected movements that pose risks during setup and maintenance. Using this safety relay, each guard door and emergency stop is tied into a monitored two-channel system. If a door is opened or a stop button pressed, the robot is immediately powered down. Force-guided contacts add redundancy, preventing unsafe conditions even in case of component wear. The result is a system that not only complies with SIL 3 and Cat. 4 standards but also keeps operators safe while keeping production running efficiently.
Conveyor equipment in food processing and manufacturing requires frequent access for cleaning, inspection, or belt replacement. The safety relay provides dependable monitoring of door switches and emergency stop devices positioned along the line. Once triggered, the dual channels cut control voltage instantly while the signaling path alerts operators to the interruption. Built for environments subject to vibration and variable temperatures, it maintains consistent reliability. The slim profile also minimizes control cabinet space, making it easy to retrofit into existing production lines without major redesign.
In chemical and pharmaceutical plants, many machines operate with critical access hatches or interlocked points that must remain closed during production. The safety relay ensures these interlocks are continuously supervised, shutting down hazardous movement or flow the moment a door or hatch is opened. Its reset options—manual or automatic—adapt to different process requirements, while the reinforced insulation and rugged housing handle harsh operating conditions. This not only enhances compliance with strict safety regulations but also reduces the chance of accidents, protecting workers and maintaining uninterrupted operations.
| Category | Model / Name | Part Number | Description / Benefit |
|---|---|---|---|
| Coding Accessory | CP-MSTB – Coding Profile | 1734634 | Inserted into plug/header slot, prevents mismating and ensures correct connections. |
| CR-MSTB – Coding Section | 1734401 | Provides secure coding in header or inverted plug, improves installation safety. | |
| Crimping Tool | CRIMPFOX 6 – Crimping Pliers | 1212034 | For ferrules 0.25–6.0 mm², supports reliable wire terminations. |
| Actuator | PSR-ESS-M0-H110 – Actuator | 1221757 | Emergency stop actuator with anti-lock collar, bayonet lock, fits modular E-stop switches. |
| Module Holder | PSR-ESS-ACC-CB1-C3 – Holder | 1221747 | Connects actuator and contact block, suitable for up to three switch elements. |
| Contact Module | PSR-ESS-ACC-CB1-NC-SC – Contact Module | 1221752 | Force-guided N/C contact for safety shutdown, compatible with PL e and SIL 3 applications. |
For expert guidance before placing your order.
Warranty – 1-year warranty for your peace of mind.
Global Shipping – We ship worldwide with secure packaging and reliable delivery.
Technical Support – Contact us for professional after-sales technical assistance.
