$ 229.31
Phoenix Contact PSR-SPP-24UC/ESAM4/2X1/1X2 relay ensures safe emergency stop & door monitoring with SIL 3, Cat. 4, PL e protection in compact design.
The Phoenix Contact PSR-SPP-24UC/ESAM4/2X1/1X2 safety relay is designed to provide dependable protection for emergency stop functions and safety door circuits in industrial environments. It supports two-channel control with dual enabling paths, ensuring machine shutdown is both fast and secure. Compact in size at just 22.5 mm width, it is easy to integrate into control panels while maintaining high safety integrity up to SIL 3 and Performance Level e. With reinforced insulation and quick response times, this relay helps safeguard operators and equipment while ensuring compliance with modern safety standards.
This Phoenix Contact safety relay simplifies system design by combining manual reset and automatic monitoring within a single device. Its dual-channel configuration and mechanically linked relay contacts ensure reliable interruption of dangerous currents whenever safety conditions are violated. Built for industrial use, it withstands demanding environments with strong insulation, IP20 housing, and consistent switching performance. Manufacturers gain faster restart capabilities, reduced downtime, and easier integration into safety circuits. Ideal for production machinery, packaging equipment, or access-controlled systems, the PSR-SPP-24UC/ESAM4/2X1/1X2 helps achieve compliance, protect workers, and maintain continuous operation.
Because it merges advanced safety with simplicity. This relay delivers dual-channel protection, reinforced insulation, and compact design in one device. It ensures machines stop instantly when safety is compromised, while saving panel space and installation time. It’s trusted by engineers who want compliance, reliability, and peace of mind in every production shift.
It eliminates the risks of unsafe machinery operation. By shutting down equipment during emergencies or unauthorized access, it prevents injuries, equipment damage, and costly downtime. The PSR-SPP-24UC/ESAM4/2X1/1X2 ensures regulatory compliance, reduces integration complexity, and gives manufacturers a reliable safeguard that keeps productivity moving while protecting both people and assets.
| Feature | Details | Benefit |
|---|---|---|
| Nominal Supply Voltage | 24 V DC (-15% / +10%) | Optimized for common industrial control systems. |
| Safety Ratings | Up to SIL 3, Cat. 4, PL e | Meets the highest international safety standards for machinery. |
| Control Method | 2-channel operation | Redundant safety monitoring for maximum protection. |
| Enabling Current Paths | 2 paths, force-guided contacts | Guarantees reliable interruption of hazardous energy. |
| Signaling Output | 1 path (2 N/C contacts) | Provides clear system feedback for monitoring. |
| Housing Width | 22.5 mm | Saves space in compact control cabinets. |
| Mounting | DIN rail (vertical or horizontal) | Flexible and quick installation. |
| Operating Temperature | -20 °C … +55 °C | Reliable performance in diverse industrial environments. |
| Mechanical Service Life | Approx. 10⁷ cycles | Long-lasting durability reduces maintenance costs. |
| Protective Circuits | Reverse polarity & suppressor diode | Prevents damage and extends device lifespan. |
| Approvals | CE, cULus, Functional Safety certified | Assures compliance for global use. |
Download PSR-SPP-24UC/ESAM4/2X1/1X2 2900526 Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4046356515665 |
| Tariff Number | 85371098 |
| Weight | 175 g (excluding packing) / 182.5 g (including packing) |
| Country of Origin | Germany (DE) |
In a robotic welding cell, operators occasionally need to step inside for adjustments or maintenance. The PSR-SPP-24UC/ESAM4/2X1/1X2 acts as the safeguard by linking emergency stop buttons and door interlocks into one monitored system. If a door opens during operation, the relay immediately cuts power to the robot drives, ensuring hazards are removed instantly. Its dual-channel design adds redundancy, so a single component failure does not compromise safety. With its compact footprint, the relay fits neatly into crowded control panels, giving machine builders the flexibility to meet strict SIL 3 and PL e requirements without sacrificing valuable cabinet space.
Modern packaging lines stretch across long production floors with multiple stop points for operators. By using the PSR-SPP-24UC relay, designers can connect several emergency stop devices and safety mats into one system, ensuring reliable shutdown of the conveyor whenever a risk occurs. The two enabling paths provide redundancy, maintaining full protection even if one circuit is damaged. This approach keeps operators safe during troubleshooting or cleaning while avoiding unnecessary wiring complexity. The fast reaction time of the relay limits downtime and prevents accidents, ensuring smooth throughput across the entire packaging process with minimal interruption to production efficiency.
Many automated machines operate behind guarded doors or hoods to protect users from moving parts. The PSR-SPP-24UC monitors two interlock switches at the door, stopping the machine the moment one is opened. Because the relay uses force-guided contacts, it not only halts the process but also detects internal failures, ensuring dependable performance over millions of cycles. This setup helps operators work safely during changeovers or maintenance. Integrating both safety and monitoring within one relay reduces system complexity, making it easier for manufacturers to comply with safety regulations while creating a safer work environment without costly redesigns or extra hardware.
In palletizing systems, conveyors and robots interact in fast and repetitive sequences. The PSR-SPP-24UC relay links emergency stops, safety light curtains, and access gates into one functional safety circuit. If a person enters the zone or presses an emergency button, the relay interrupts the energy supply to all moving equipment in milliseconds. Its diagnostic signaling output can also provide the PLC with feedback on which device was triggered, reducing troubleshooting time. By combining quick response with compliance to SIL 3 and Category 4, the relay offers reliable protection, keeping staff safe while maintaining consistent performance in demanding material handling tasks.
| Category | Model / Name | Part Number | How It Complements |
|---|---|---|---|
| Safety Relay (Main Product) | PSR-SPP-24UC/ESAM4/2X1/1X2 | 2900526 | Core safety relay for E-stop and safety door monitoring up to SIL 3 / PL e. |
| Crimping Tool | CRIMPFOX 6 | 1212034 | For preparing ferrules on conductors to ensure secure wiring to push-in terminals. |
| Actuator | PSR-ESS-M0-H110 | 1221757 | Actuator with anti-lock collar for modular emergency stop switches. |
| Module Holder | PSR-ESS-ACC-CB1-C3 | 1221747 | Holder for modular emergency stop switches, connecting contact blocks and actuators. |
| Contact Module | PSR-ESS-ACC-CB1-NC-SC | 1221752 | Force-guided N/C contact module enabling safety-related shutdown when combined with the relay. |
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Warranty – 1-year warranty for your peace of mind.
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