$ 523.94
Phoenix Contact PSR-PC52-1NO-1NC-24DC-SP relay delivers SIL 3 safety, diagnostics, and reliable isolation for automation and process industries.
The Phoenix Contact PSR-PC52-1NO-1NC-24DC-SP coupling relay delivers secure electrical isolation and reliable power matching for safety-critical systems. Engineered for use in low-demand applications up to SIL 3, it is well suited for fire and gas protection circuits, automation processes, and control systems that require high reliability. Its integrated filter handles test pulses from distributed control systems without disrupting operation, while diagnostic functions make it easier to identify potential wiring issues. With a slim 17.5 mm housing and convenient push-in connections, it saves installation space and reduces setup time, ensuring safe and efficient integration into modern industrial environments.
The PSR-PC52-1NO-1NC-24DC-SP coupling relay combines compact design with advanced diagnostics to improve plant safety and system uptime. It allows active fault acknowledgment, enabling quick detection of line breaks or short circuits, which helps minimize downtime and maintenance costs. Its reinforced insulation safeguards against electrical risks, while the 3-amp enabling current path ensures compatibility with diverse industrial loads. Certified for use in hazardous environments, it meets stringent global standards for process safety. Built to withstand challenging ambient conditions and vibration, this relay is ideal for use in energy production, process automation, and industrial machinery, delivering long service life and dependable performance.
Why choose Phoenix Contact PSR-PC52-1NO-1NC-24DC-SP?
Because it brings compact design, SIL 3-certified safety, and intelligent diagnostics into one relay. This model offers quick installation with push-in connections, saves panel space, and ensures reliable isolation even under demanding industrial conditions. With its global certifications and durable build, it’s the trusted choice for engineers who need safety without compromise.
What problem does it solve?
The PSR-PC52-1NO-1NC-24DC-SP addresses the challenge of ensuring consistent safety in critical automation systems. It eliminates risks of wiring faults with built-in diagnostic checks, filters out disruptive test pulses, and provides reinforced isolation between circuits. By reducing downtime, preventing unnoticed failures, and supporting hazardous area compliance, it keeps industrial operations running smoothly and securely.
| Feature | Details | Benefit |
|---|---|---|
| Housing Width | 17.5 mm | Saves space in control cabinets |
| Enabling Current Path | 1 NO contact (3 A max.) | Reliable switching capability for safety circuits |
| Signaling Path | 1 NC contact (100 mA max.) | Provides clear system feedback and monitoring |
| Rated Supply Voltage | 24 V DC (±10%) | Standardized control voltage for easy integration |
| Diagnostics | Wire break & short circuit detection | Enhances safety by identifying faults early |
| Error Acknowledgment | Active reset via A1 input | Enables fast system recovery after fault |
| Insulation Strength | Reinforced up to 6 kV | High-level electrical isolation for safety-critical use |
| Operating Temperature | -25 °C to +60 °C | Reliable performance across harsh environments |
| Certifications | SIL 3, ATEX, IECEx, UL, CE | Meets global safety and compliance standards |
| Mounting Type | DIN rail, vertical or horizontal | Flexible and quick installation |
| Connection Technology | Push-in terminal blocks | Fast, tool-free wiring for reduced setup time |
| Service Life | ~50 million mechanical cycles | Long-term durability in continuous operation |
Download Phoenix Contact PSR-PC52-1NO-1NC-24DC-SP 1017064 Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4055626674032 |
| Customs Tariff Number | 85364190 |
| Weight | 244.5 g (net) / 245.2 g (with packing) |
| Country of Origin | Germany (DE) |
In refinery operations, gas leaks and fire hazards must be addressed instantly. This coupling relay ensures safe isolation between field detectors and central fire & gas panels. Its SIL 3 safety integrity provides dependable performance, while the built-in diagnostics quickly identify wiring faults before they cause failures. The test pulse filtering prevents false alarms from control system signals, reducing downtime and supporting uninterrupted safety coverage in critical areas of the refinery.
Chemical processing often involves hazardous liquids that require reliable emergency shutdown. The PSR-PC52 enables immediate pump disconnection when unsafe conditions are detected. Its main contact provides strong switching power, while the auxiliary contact signals system status back to operators. Reinforced insulation and fault detection functions increase reliability, preventing unnoticed wiring issues. With its compact design and simple push-in wiring, it is ideal for control cabinets where space is limited and safety circuits are numerous.
Underground mining requires continuous ventilation to protect workers from harmful gases. This relay plays a key role by isolating sensor outputs and ensuring reliable activation of large ventilation fans when dangerous gas levels are detected. Its fault diagnostics highlight line breaks or shorts before they become safety risks. The unit’s tolerance to vibration, temperature variation, and humidity makes it highly suitable for demanding underground environments, ensuring continuous airflow and improved worker safety.
Power stations depend on safe fuel and air regulation in boilers and furnaces. The PSR-PC52 provides fast switching in response to unsafe flame or fuel conditions, ensuring critical shutoff occurs without delay. Its compact footprint allows easy integration into existing control panels, while SIL 3 compliance ensures regulatory safety standards are met. Built-in diagnostic capability helps operators identify problems before shutdowns, maintaining both efficiency and safety in high-demand energy production environments.
| Category | Model Name | Part Number | Benefit |
|---|---|---|---|
| Coupling Relay (Same Series) | PSRmini Series Relays | – | Flexibility for customized safety system design |
| Accessory – Coding Profile | CP-MSTB | 1734634 | Prevents mismating and ensures wiring accuracy |
| Accessory – Coding Section | CR-MSTB | 1734401 | Enhances connection reliability and avoids wiring errors |
| Accessory – Crimping Tool | CRIMPFOX 6 | 1212034 | Ensures strong and safe wire terminations |
| Accessory – Terminal Blocks | Push-in Terminal Technology | – | Enables quick, tool-free, and secure wiring |
| Accessory – DIN Rail | Standard DIN Rail Mount | – | Simplifies installation and provides stable relay placement |
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.
