$ 274.62
Phoenix Contact PSR-SPP-24DC/ESD/4X1/30 safety relay for emergency stop and safety door monitoring. Certified SIL3, PL e, compact and reliable.
The Phoenix Contact PSR-SPP-24DC/ESD/4X1/30 safety relay is a compact and powerful solution designed to safeguard machinery and operators. It combines emergency stop and safety door monitoring in a single unit, ensuring reliable shutdown when hazards are detected. Certified to the highest standards, including SIL 3 and Performance Level e, this relay provides trusted protection for critical processes. With selectable delay times from fractions of a second up to 30 seconds and support for both single- and dual-channel inputs, it addresses complex safety requirements while maintaining operational efficiency in demanding industrial environments.
The PSR-SPP-24DC/ESD/4X1/30 offers engineers flexibility and assurance through its combination of undelayed and time-delayed outputs. Its force-guided relay contacts enhance reliability, while push-in terminal connections make installation straightforward. This relay is well-suited for applications such as machine doors, light grid safety monitoring, and emergency stop circuits where dependable performance is essential. The compact form factor saves space in control cabinets, while compliance with global safety standards ensures integration across different industries. By reducing downtime risks and providing consistent machine protection, it delivers long-term benefits in safety-critical automation systems.
The Phoenix Contact PSR-SPP-24DC/ESD/4X1/30 stands out because it combines advanced safety features with easy integration. It supports both emergency stop and safety door monitoring, giving engineers one device to handle multiple safety functions. With adjustable delay times, high reliability through force-guided contacts, and compliance with SIL 3 and PL e standards, it delivers protection without compromising efficiency. Its compact design saves valuable control cabinet space while offering flexibility for modern safety architectures.
Industrial facilities often struggle with ensuring operator safety while keeping machines productive. The PSR-SPP-24DC/ESD/4X1/30 solves this by providing rapid, dependable machine shutdown in hazardous situations. It eliminates the need for multiple relays, simplifies wiring, and protects against manipulation. By ensuring compliance with stringent safety standards and reducing the risk of downtime, it helps manufacturers maintain both safety and productivity in critical automation environments.
| Feature | Details | Benefit |
|---|---|---|
| Supply Voltage | 24 V DC | Compatible with common industrial control systems |
| Safety Standards | SIL 3, Cat. 4, PL e | Certified for maximum safety compliance |
| Control Channels | 1 or 2 channel | Flexible integration for different safety circuits |
| Contacts | Up to 3 undelayed + 2 delayed | Allows versatile system design with timing options |
| Delay Time Range | 0.1 – 30 s (fixed) | Adjustable for safe shutdown timing |
| Typical Response Time | 150 ms (manual/auto) | Rapid reaction in emergency scenarios |
| Housing Dimensions | 22.5 × 112 × 114.5 mm (W×H×D) | Compact footprint saves cabinet space |
| Connection Type | Push-in terminal, pluggable | Quick installation and secure wiring |
| Mechanical Service Life | ~10 million cycles | Long-lasting durability in industrial use |
| Environmental Rating | –20 °C to +45 °C, IP20 | Reliable in varied industrial conditions |
| Mounting | DIN rail, any position | Simplified and flexible installation |
Download PSR-SPP-24DC/ESD/4X1/30 (2981813) Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4046356117265 |
| Customs Tariff Number | 85371098 |
| Weight | 209.68 g (without packing), 229.76 g (with packing) |
| Country of Origin | Germany |
In large distribution or production facilities, conveyor belts often stretch across long distances and multiple zones. The safety relay integrates with emergency stop rope switches placed along the line. If a rope is pulled, the relay instantly halts belt movement, preventing accidents and product damage. With adjustable delay times, the shutdown can be tailored to coordinate braking systems, ensuring smooth stops that avoid unnecessary mechanical stress. Dual-channel monitoring guarantees the system only restarts once all hazard points are cleared, offering both reliability and operator protection in high-demand environments.
In automated assembly cells, worker safety around moving robots is critical. By linking safety light curtains to the relay, any intrusion into the protected zone triggers an immediate stop signal. The PSR-SPP-24DC/ESD/4X1/30 provides redundant monitoring, ensuring safe operation even if one circuit fails. Its mix of undelayed and time-delayed outputs allows flexible stop sequences, such as initiating a controlled deceleration before a complete stop. This prevents abrupt halts that could damage sensitive robotic tools or products, while maintaining the highest safety category for human operators.
Modern packaging equipment includes multiple access doors for cleaning and adjustments. The relay can monitor door sensors so that if any door is opened during operation, power to the machine is immediately interrupted. Its manual and automatic reset functions allow manufacturers to set stricter protocols depending on process risks. The slim design saves space in tight control panels, while force-guided relay contacts provide dependable detection of faults. This ensures both compliance with safety regulations and peace of mind for operators working in fast-paced production lines.
High-speed palletizing or material handling zones often rely on fenced enclosures with safety switches at entry points. The relay continuously evaluates these switches and emergency inputs from mats or barriers. If access is detected, it shuts down conveyors and robotic arms instantly while also activating warning signals. With multiple output channels available, the relay can simultaneously disable motion and engage auxiliary devices, ensuring a layered safety response. Its robust compliance with SIL and Performance Level requirements makes it ideal for safeguarding personnel in complex logistics and warehousing environments.
| Category | Model | Part Number | Description |
|---|---|---|---|
| Accessory – Crimping Tool | CRIMPFOX 6 | 1212034 | Crimping pliers for ferrules 0.25–6.0 mm² |
| Accessory – Protective Labels | PSR-ESD-300 | – | Label set for preventing manipulation of time setting |
| Accessory – Electronic Protection | PSR-ESD-30 | – | Electronic manipulation protection module |
| Related Relay – Same Family | PSR-SPP Series Variants | – | Other timing versions within PSRclassic family |
| Related Relay – Multi-Function | PSR-MXF Series | – | Safety relays with multifunction monitoring |
| Terminal Blocks | Push-in Terminal Blocks | – | Pluggable connection accessories |
| Mounting Accessories | DIN Rail Standard | – | 35 mm DIN rail for relay mounting |
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Warranty – 1-year warranty for your peace of mind.
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