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Phoenix Contact PSR-SCF- 24UC/URM/2X21

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PSR-SCF- 24UC/URM/2X21

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Marvo Stock ID MV-95X2
HS Code 85364190
SKU PSR-SCF- 24UC/URM/2X21
Condition Used
Warranty 12 months
Weight (kg) 1.00
Length (mm) 260.00
Width (mm) 210.00
Height (mm) 80.00

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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

Is my order covered by a warranty?

Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.

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We accept card payments from all major credit, debit and Mastercard providers including Visa, American Express, Western Union, Paypal and bank transfers. Before you complete an order you will be prompted to input your payment details, at which point you can enter the relevant card information you wish to use for your transaction. If you are experiencing issues with your payment method then you can contact our team via email here. From there, you will be directed to the most relevant resource or person to help you complete your payment, get your order processed and ensure that your parts are on the way to your delivery address.

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Is Marvo a credible parts supplier?

Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.

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Have steps been taken to ensure quality control?

Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.

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Creating an account is incredibly simple and takes a matter of seconds. You can create a Marvo account at any time by clicking here and following the simple steps on screen. By creating a Marvo account you can store your contact details, delivery addresses, billing addresses and more, meaning that you can enjoy game-changing convenience faster than ever before.

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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.

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Part conditions explained

We want your buying experience to be as seamless as possible. So, here are all of the product descriptions you will see when browsing Marvo, explained a little further:

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.

New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.

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.

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