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Check similar products or call us on +44 20 4570 3439 for assistance
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | PSR-SCF- 24UC/URM/2X21 |
| Alternative Part Number | PSRSCF24UCURM2X21 |
| Manufacturer | Phoenix Contact |
| Type | Extension module, Coupling relay |
| Input Voltage Range | 0.85 ... 1.1 times the nominal voltage |
| Typical Input Current | 30 mA at nominal voltage |
| Typical Response Time | 10 ms |
| Typical Release Time | 10 ms |
| Contact Type | 2 PDT (Double Pole, Double Throw) |
| Contact Material | AgNi (Silver Nickel) |
| Maximum Switching Voltage | 250 V AC/DC |
| Minimum Switching Voltage | 15 V AC/DC |
| Limiting Continuous Current | 5 A (N/O contact), 3.5 A (N/C contact) |
| Maximum Inrush Current | 6 A |
| Interrupting Rating (Ohmic Load) | Max. 1500 VA (250 V AC), various ratings for DC voltages |
| Output Fuse | 6 A gL/gG NEOZED (N/O contact), 4 A gL/gG NEOZED (N/C contact) |
| Ambient Operating Temperature | -20 °C ... 50 °C |
| Storage Temperature | -20 °C ... 70 °C |
| Relay Type | Electromechanically forcibly guided, dust-proof relay |
| Mechanical Service Life | Approx. 10 million cycles |
| Mounting Position | Any |
| Air and Creepage Distances | Compliant with DIN EN 50178/VDE 0160 |
| Rated Surge Voltage/Insulation | 4 kV / Basic isolation |
| Rated Insulation Voltage | 250 V |
| Pollution Degree | 2 |
| Surge Voltage Category | III |
| Connection Data | Solid/stranded conductor cross section: 0.2 mm² min. to 2.5 mm² max., AWG 24 min. to AWG 12 max. |
| Screw Thread | M3 |
| Approvals | UL Listed, GOST, cUL Listed, cULus Listed |
| Safety Integrity Level (SIL) | SIL 1 according to IEC 61508 |
| Performance Level (PL) | Up to category 1, PL c according to EN ISO 13849-1 |
| Housing Material | PBT (Polybutylene Terephthalate) |
| Housing Color | Green |
| Mounting Type | DIN rail mounting |
| Degree of Protection | IP20 |
| Weight | Approx. 61.82 g |
The Phoenix Contact PSR-SCF- 24UC/URM/2X21 is a versatile and reliable extension module designed to enhance the functionality of safety-related systems. This module is equipped with two potential-free changeover contacts, offering flexibility for various control tasks within industrial automation environments. Its compact design, with a width of just 17.5 mm, allows for efficient use of space on DIN rails, making it an ideal choice for installations where space is at a premium.
Crafted for durability and consistent performance, the module operates within an input voltage range of 0.85 to 1.1 times the nominal voltage, with a typical input current of 30 mA at the nominal voltage. It boasts a swift response and release time of approximately 10 ms, ensuring timely operations in critical applications.
The output contacts are made from silver nickel (AgNi), which is known for its excellent conductivity and resistance to wear, contributing to the module's longevity. These contacts can handle a maximum switching voltage of 250 V AC/DC and a minimum switching voltage of 15 V AC/DC, with limiting continuous currents of 5 A for normally open (N/O) contacts and 3.5 A for normally closed (N/C) contacts.
Safety is a paramount concern in the design of the PSR-SCF- 24UC/URM/2X21, which features electromechanically forcibly guided, dust-proof relays. The module complies with stringent standards and regulations, including DIN EN 50178/VDE 0160 and EN 50205, ensuring its suitability for a wide range of safety applications.
The module is designed to operate within an ambient temperature range of -20 °C to 50 °C, making it robust enough to withstand challenging industrial environments. Additionally, it is rated for basic insulation with a rated surge voltage of 4 kV, providing an extra layer of protection against voltage spikes.
Overall, the Phoenix Contact PSR-SCF- 24UC/URM/2X21 is a high-quality, functional module that offers reliability and safety for industrial automation systems, making it a valuable addition to any control and safety circuitry.
Commonly Asked Questions
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Frequently Asked Questions
What is the function of this extension module?
The extension module is designed to be used in safety-related applications, providing forcibly guided contacts that ensure reliable switching for safety functions. It features two PDT contacts and is suitable for single-channel control.
Can this module be used in high-demand safety applications?
Yes, the module is rated for high-demand safety applications, with a Safety Integrity Level (SIL) of 1 according to IEC 61508 standards.
What are the input voltage requirements for this module?
The module requires a nominal input voltage of 24 V AC/DC, with an acceptable range of 0.85 to 1.1 times the nominal voltage.
What type of contacts does this module have?
The module is equipped with two PDT (double throw) contacts made of silver nickel (AgNi), which are suitable for a variety of switching applications.
What is the maximum switching voltage for this module?
The maximum switching voltage for the module is 250 V AC/DC, ensuring compatibility with a wide range of industrial applications.
What is the ambient operating temperature range for this module?
The module can operate within an ambient temperature range of -20 °C to 50 °C, making it suitable for various industrial environments.
How is this module mounted?
The module is designed for DIN rail mounting, allowing for easy installation and integration into existing systems.
What is the degree of protection provided by the module's housing?
The module's housing provides an IP20 degree of protection, safeguarding the internal components from solid objects larger than 12.5 mm.
What certifications does this module hold?
The module holds several certifications, including UL Listed, cUL Listed, and cULus Listed, indicating compliance with relevant safety standards.
What is the typical response and release time for this module?
The module has a typical response and release time of 10 ms, ensuring prompt action in safety circuits.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
