$ 163.53
Phoenix Contact PSR-SPP-24DC/FSP/1X1/1X2 coupling relay with SIL 3 safety, compact 17.5 mm design, fuse protection, and pulse filtering for reliable isolation.
The Phoenix Contact PSR-SPP-24DC/FSP/1X1/1X2 coupling relay is a compact safety solution for industrial automation. With a width of only 17.5 mm, it offers efficient use of control cabinet space while ensuring reliable separation of digital output signals from failsafe controllers to peripheral devices such as actuators and valves. Certified to SIL 3 standards, the relay provides dependable switching with reinforced insulation and force-guided contacts. Built-in fuse protection and pulse filtering safeguard the system and extend service life, making it a dependable choice for applications that require secure shutdown and operational safety.
Designed for both high-demand and low-demand safety functions, the PSR-SPP-24DC/FSP/1X1/1X2 combines robust performance with practical usability. Its integrated signal contact simplifies proof testing, reducing maintenance time and costs. The push-in terminal connections enable quick and tool-free wiring, while the replaceable fuse adds convenience during service. By filtering unwanted test pulses, the relay minimizes contact wear and ensures long-term reliability, even under continuous operation. Whether isolating PLC outputs, adapting signal levels for field equipment, or protecting sensitive circuits, it delivers efficiency, compliance, and safety for critical industrial processes.
Because it combines safety, space efficiency, and long service life in one slim 17.5 mm module. The PSR-SPP-24DC/FSP/1X1/1X2 couples digital outputs to field devices with SIL 3 reliability, built-in fuse protection, and pulse filtering. It’s the smart choice for engineers who want maximum protection without compromising installation speed or control cabinet space.
Modern automation faces the challenge of safely isolating controller outputs while avoiding premature wear and costly downtime. The PSR-SPP-24DC/FSP/1X1/1X2 solves this by providing secure signal isolation, reduced maintenance through test pulse filtering, and simplified proof testing. It eliminates risks of unsafe shutdowns, protecting both critical equipment and human operators in demanding industrial environments.
| Feature | Details | Benefit |
|---|---|---|
| Housing Width | 17.5 mm | Saves valuable cabinet space |
| Safety Certification | SIL 3 (IEC 61508), PL e (EN ISO 13849) | Meets highest functional safety levels |
| Relay Type | Electromechanical with force-guided contacts | Reliable switching for critical safety functions |
| Fuse Protection | Integrated, replaceable fuse | Simplifies maintenance and enhances circuit protection |
| Test Pulse Filter | Built-in | Extends relay service life and prevents false trips |
| Control Supply Voltage | 24 V DC (-15% / +10%) | Compatible with standard control systems |
| Operating Temperature | -20 °C to +55 °C | Reliable operation in varied industrial environments |
| Mounting | DIN rail, any position | Flexible installation in automation panels |
| Connection Type | Push-in technology | Quick, tool-free wiring for faster setup |
| Service Life | 10 million mechanical cycles | Long-lasting performance, reduces replacement costs |
Download PSR-SPP-24DC/FSP/1X1/1X2 (2981981) Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4046356448345 |
| Traffic / Article Number | 2981981 |
| Weight (Excl. Packing) | 99.99 g |
| Country of Origin | Germany |
Chemical plants rely on quick isolation during emergencies to prevent dangerous chain reactions. The PSR-SPP-24DC/FSP/1X1/1X2 provides a secure barrier between failsafe controllers and actuators, ensuring that shutdown signals are transmitted without risk of electrical leakage. Its integrated fuse protects critical circuits from overloads, while the built-in pulse filter avoids nuisance trips caused by electrical noise often present in heavy processing environments. By fitting into just 17.5 mm of cabinet space, it can be deployed even in older or space-constrained control panels, helping process operators guarantee system reliability while maintaining compact installations.
Automated car assembly lines use robotic arms and conveyor systems that must halt immediately when an emergency stop is pressed. The coupling relay ensures safe disconnection through force-guided contacts, preventing unsafe overlaps of normally open and closed paths. Its SIL 3 safety rating reassures engineers that safety compliance requirements are met. Proof testing can be performed without shutting down the entire production line, reducing downtime and keeping throughput high. Quick push-in connections simplify installation and maintenance, which is critical for factories that must minimize disruption while integrating new safety components into existing lines.
Solar and wind energy systems require dependable disconnection when faults or service operations occur. The relay offers reinforced insulation and a replaceable fuse, protecting inverters and grid interfaces from excessive current during surges. Its pulse filtering feature avoids false signals caused by transient conditions often seen in renewable systems exposed to weather variations. Designed to work reliably across a wide temperature range, it continues to function effectively in outdoor enclosures. This makes it an ideal choice for renewable installations, where long-term dependability and safety compliance are essential for uninterrupted energy delivery and secure shutdown during faults.
Woodworking machines pose high risks if safety guards fail to stop operation when accessed. By connecting guard switches through the PSR-SPP-24DC/FSP/1X1/1X2, the machine reliably powers down as soon as a guard is opened. The relay’s force-guided contacts guarantee predictable operation, ensuring that the motor cannot restart unexpectedly. Its built-in fuse provides additional circuit protection in case of damaged wiring. The compact format allows integration directly into small guard enclosures, and the long mechanical service life minimizes the need for replacement. These advantages help woodworking facilities maintain operator safety and reduce unplanned downtime while complying with strict safety regulations.
| Category | Model / Name | Part Number | Benefits |
|---|---|---|---|
| Accessory | CRIMPFOX 6 Crimping Pliers | 1212034 | Prepares ferrules for push-in terminals, ensuring secure and reliable wiring. |
| Plug-in Fuse Module (for PSR Series) | – | Replaceable fuse for enabling current path, improves circuit safety and serviceability. | |
| Related Product | PSR-SCP-24DC/FSP/2X1/1X2 Safety Relay | Varies | Provides multiple enabling current paths for larger or redundant applications. |
| PSRclassic Coupling Relay PSR-SPP-24DC/FSP/2X1/1X2 | Varies | Extended switching configuration for enhanced system flexibility. | |
| PSR-SCP-24DC/FSP/1X2/1X2 Safety Relay | Varies | Suitable for dual-channel safety loops with high diagnostic coverage. |
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