Phoenix Contact PSR-SCP-230UC/ESAM4/3X1/1X2/B Safety Relay

Phoenix Contact PSR-SCP-230UC/ESAM4/3X1/1X2/B Safety Relay for Emergency Stop and Door Monitoring

The Phoenix Contact PSR-SCP-230UC/ESAM4/3X1/1X2/B safety relay is designed to protect people and equipment by providing dependable monitoring of emergency stop buttons and safety doors. Certified up to SIL 3 and Category 4, Performance Level e, it delivers a high level of functional safety in demanding automation environments. Supporting both single- and dual-channel operation, it integrates three enabling paths and a dedicated signaling path, all powered from a 230 V AC/DC supply. Compact, robust, and straightforward to install, it helps manufacturers maintain compliance with strict safety regulations while ensuring efficient, reliable machine shutdown when required.

The PSR-SCP-230UC/ESAM4/3X1/1X2/B combines compact design with advanced protection features, making it a strong choice for modern industrial machinery. Force-guided relay contacts guarantee reliable interruption of circuits, while the option for manual or automatic reset provides flexibility in different operating setups. Its slim 22.5 mm housing saves valuable space in control cabinets, and the clear LED indicators simplify troubleshooting, cutting downtime during maintenance. By supporting dual-channel inputs, it enhances redundancy and fault detection, ensuring higher reliability in safety circuits. This allows factories and production lines to maintain productivity while safeguarding workers and equipment under even the most demanding conditions.

Why Phoenix Contact PSR-SCP-230UC/ESAM4/3X1/1X2/B?

Because it blends safety, reliability, and space-saving design into one compact relay. This model is trusted in industries that demand absolute certainty—providing SIL 3 and Category 4 compliance with ease. It is built not only to meet regulations but also to keep people safe, machines secure, and processes flowing without compromise.

What Problem Does It Solve?

It eliminates the risks of unsafe machine operations by instantly monitoring emergency stops and safety doors. Instead of relying on complex or bulky systems, this relay provides a streamlined, reliable way to achieve the highest safety levels. The result is reduced downtime, fewer hazards, and complete confidence in meeting stringent industrial safety standards.

Key Features & Specifications – Phoenix Contact PSR-SCP-230UC/ESAM4/3X1/1X2/B : Article Number 2901428

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Commercial Information – Phoenix Contact PSR-SCP-230UC/ESAM4/3X1/1X2/B : Article Number 2901428

The Applications of Phoenix Contact PSR-SCP-230UC/ESAM4/3X1/1X2/B Safety Relay

1. Emergency Stop in CNC Milling Machines

In high-precision CNC milling operations, unexpected tool wear or material jams can pose serious risks. The PSR-SCP safety relay provides a dependable way to integrate emergency-stop switches directly into the control circuit. With its dual-channel design, it guarantees that a single fault does not compromise the safety function. The three enabling outputs allow flexible distribution of signals to both machine controls and safety indicators. This ensures that power is cut instantly during an emergency, preventing equipment damage while safeguarding operators. Its fast response time and reliable relay contacts make it a preferred choice for continuous and demanding machining environments.

2. Safety Door Control in Automated Assembly Lines

Automated assembly lines often use robotic cells and enclosed machinery where access doors need constant monitoring. By wiring safety door switches through the PSR-SCP, machines are only allowed to run when protective doors are securely closed. If a worker opens a gate during operation, the relay immediately interrupts the enabling circuits, stopping motion. The built-in signaling output provides direct feedback to the control system, ensuring that supervisors are alerted quickly. With manual or automatic reset options, production teams can choose the restart mode best suited to their workflow, balancing safety with operational efficiency in busy manufacturing plants.

3. Conveyor Line Safety in Material Handling Systems

Conveyors in logistics or packaging facilities transport heavy loads and require rapid shutdown capabilities in case of blockages or worker hazards. The PSR-SCP safety relay allows emergency-stop buttons to be distributed along the conveyor length and tied into a single safety chain. Its compact housing fits easily into decentralized panels positioned close to the belt system. The multiple enabling paths ensure reliable interruption across different sections, while LED indicators make troubleshooting faster for maintenance staff. By offering both quick response and robust design, the relay helps reduce downtime and protect workers in large-scale handling operations.

4. Robotic Cell Access in Flexible Manufacturing

In flexible production cells, where robots and operators may alternate tasks, safe access management is critical. The PSR-SCP integrates seamlessly with gate interlocks, safety mats, or light curtains to ensure that machinery halts before anyone enters a restricted zone. Its dual-channel capability provides redundancy, so even if one path fails, the other maintains protection. The requirement for manual reset after access guarantees that equipment does not restart unexpectedly. This minimizes human error, supports compliance with stringent safety regulations, and enables smooth interaction between people and robots in modern automated workspaces.

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