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Phoenix Contact
PSR-SCP- 24DC/FSP/1X1/1X2
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | PSR-SCP- 24DC/FSP/1X1/1X2 |
| Manufacturer | Phoenix Contact |
| Type | Coupling relay |
| Nominal Input Voltage | 24 V DC |
| Input Voltage Range | 20.4 V DC to 26.4 V DC |
| Input Current | Typical 55 mA |
| Power Consumption | Typical 1.32 W |
| Inrush Current | Max. 100 mA |
| Response Time | Typical 50 ms |
| Release Time | Typical 50 ms |
| Recovery Time | 1 s |
| Maximum Switching Frequency | 0.5 Hz |
| Contact Type | 1 enabling current path, 1 confirmation current path |
| Contact Material | AgCuNi with 0.2 µm gold plating |
| Minimum Switching Voltage | 15 V AC/DC |
| Maximum Switching Voltage | 250 V AC/DC |
| Limiting Continuous Current | 5 A (N/O contact), 100 mA (N/C contact) |
| Inrush Current | Min. 5 mA |
| Maximum Inrush Current | 5 A (N/O contact) |
| Mechanical Service Life | 10 million cycles |
| Ambient Operating Temperature Range | -20 °C to 55 °C |
| Ambient Storage Temperature Range | -40 °C to 70 °C |
| Maximum Altitude | ≤ 2000 m above sea level |
| Mounting Type | DIN rail mounting |
| Degree of Protection | IP20 |
| Housing Material | Polyamide |
| Connection Method | Screw connection |
| Conductor Cross Section Solid | 0.2 mm² to 2.5 mm² |
| Conductor Cross Section Flexible | 0.2 mm² to 2.5 mm² |
| Stripping Length | 7 mm |
| Screw Thread | M3 |
| Safety Integrity Level (SIL) | SIL 3 |
| Performance Level (PL) | PL e |
| Rated Insulation Voltage | 250 V AC |
| Rated Surge Voltage | 6 kV |
| Pollution Degree | 2 |
| Overvoltage Category | III |
| Approvals | cUL Listed, Functional Safety, EAC, cULus Listed |
The Phoenix Contact PSR-SCP- 24DC/FSP/1X1/1X2 coupling relay is a sophisticated component designed for seamless integration into safety-related applications. This relay is engineered to meet the stringent requirements of SIL 3 as per IEC 61508, ensuring reliable performance in high and low demand safety systems. It features one undelayed enabling current path and one undelayed confirmation current path, making it an ideal choice for interfacing digital output signals from failsafe controllers to peripheral devices such as valves, providing both electrical isolation and power adaptation.
Constructed with a narrow 17.5 mm housing, the relay is space-efficient and can be easily installed on a standard DIN rail, making it suitable for a variety of industrial settings. The electromechanical relay with forcibly guided contacts conforms to EN 50205, offering an additional layer of operational security. The device is equipped with a test pulse filter and a built-in, replaceable fuse in the enabling current path, which contributes to its long service life by filtering out controller test pulses that could lead to premature relay failure.
The relay operates within an ambient temperature range of -20°C to 55°C, accommodating a broad spectrum of environmental conditions. It also features a yellow LED for operating voltage display, which aids in quick diagnostics and status indication. The screw connection method allows for secure and reliable wiring, supporting conductor cross sections from 0.2 mm² to 2.5 mm².
With its robust design, the Phoenix Contact PSR-SCP- 24DC/FSP/1X1/1X2 coupling relay is a dependable choice for ensuring the safety and efficiency of your automated processes.
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Frequently Asked Questions
What is the function of this coupling relay?
The coupling relay is designed for SIL 3 high/low demand applications, and it is used to couple digital output signals to the periphery. It features one enabling current path and one signal contact, and is suitable for safe state off applications with a test pulse filter and fuse.
Can this relay be used in safety-related applications?
Yes, the relay is suitable for safety-related applications and conforms to IEC/EN 61810-3 standards with forcibly guided contacts. It is capable of achieving up to Safety Integrity Level (SIL) 3 according to IEC 61508.
What are the electrical specifications for the contacts of this relay?
The contacts are made of AgCuNi with a 0.2 µm gold plating. They have a minimum switching voltage of 15 V AC/DC and a maximum switching voltage of 250 V AC/DC. The limiting continuous current is 5 A for normally open (N/O) contacts and 100 mA for normally closed (N/C) contacts.
What is the typical response time for this relay?
The typical pick-up and release time for the relay is approximately 50 ms, ensuring swift operation for control applications.
How is the relay mounted and what is its degree of protection?
The relay is designed for DIN rail mounting and can be positioned in any orientation. It has a degree of protection rated at IP20, with a minimum degree of protection of the installation location rated at IP54.
What is the ambient operating temperature range for this relay?
The relay can operate within an ambient temperature range of -20 °C to 55 °C, but it's important to observe derating for temperatures towards the upper limit.
What type of connection method does this relay use?
This relay utilises a screw connection method, which is also pluggable for ease of installation and maintenance.
What is the mechanical service life of the relay?
The electromechanical relay with forcibly guided contacts has a mechanical service life of approximately 10 million cycles, indicating its durability and reliability for long-term use.
Does the relay have any protective features?
Yes, the relay includes surge protection with a suppressor diode rated at 33 V between A1 and A2. It also has an output fuse of 5 A T fuse for the N/O contact and a 150 mA fast-blow fuse for the N/C contact.
What is the width of the relay and how does it contribute to panel space efficiency?
The relay has a narrow width of 17.5 mm, which contributes to space efficiency in control panels, allowing for more components to be fitted within a compact area.
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