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Specification & Description
The Phoenix Contact 2981428 is a versatile and reliable safety relay designed for monitoring emergency stop and safety door applications. Engineered to meet the stringent requirements of SIL 3 or Cat. 4, PL e according to EN ISO 13849, this safety relay ensures the highest level of operational safety for industrial environments.
Featuring both one- and two-channel operation, the 2981428 allows for flexibility in application, with the option for automatic or manual activation. It is equipped with three normally open (N/O) contacts and one normally closed (N/C) contact, alongside two N/O contacts with a dropout delay adjustable from 0.2 seconds to 300 seconds, catering to a wide range of safety scenarios.
The relay's plug-in screw terminal block ensures a secure and durable connection, while its compact dimensions (45 x 99 x 114.5 mm for the screw connection version) make it suitable for installation in space-constrained areas. The device operates within an ambient temperature range of -20 °C to 55 °C, with derating, and can be used in locations up to 2000 metres above sea level.
With a nominal input voltage of 24 V DC and a typical input current of 155 mA DC, the 2981428 is designed for energy efficiency. The relay also features LED status indicators for clear and immediate feedback on operational status.
This safety relay is an essential component for any industrial safety system, providing reliable performance and peace of mind in safeguarding personnel and equipment.
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.
Read more...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.
Read more...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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Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.
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Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.
Frequently Asked Questions
What is the function of this safety relay?
This safety relay is designed for emergency stop and safety door monitoring applications. It can be used in one- or two-channel operation and supports both automatic and manual activation. It's suitable for applications up to SIL 3 or Cat. 4, PL e according to EN ISO 13849.
Can this relay be used for high-demand safety applications?
Yes, the safety relay is rated for high-demand safety applications and conforms to SIL 3 for delayed contacts and SIL 2, ensuring reliable performance in critical systems.
What are the contact configurations available in this relay?
The relay offers three enabling current paths that are undelayed, two enabling current paths that are delayed, and one signaling current path that is undelayed.
What is the maximum switching voltage for this relay?
The maximum switching voltage for the relay is 250 V AC/DC, but it's important to observe the load curve to ensure safe operation.
Is there a minimum switching voltage for this relay?
Yes, the minimum switching voltage for this relay is 5 V AC/DC.
What type of contacts does the relay use?
The relay uses contacts made from silver tin oxide (AgSnO2), which is known for its durability and good conductivity.
How should this relay be mounted?
The relay should be mounted on a 35 mm DIN rail according to EN 60715, which is a standard mounting practice for industrial control equipment.
What is the typical response time for this relay?
The typical response time for the relay is less than 600 ms for automatic start and less than 70 ms for manual start.
What is the ambient operating temperature range for this relay?
The ambient operating temperature range for the relay is between -20 °C and 55 °C, but it's important to observe derating to ensure optimal performance.
Can this relay be used at altitudes greater than 2000 metres above sea level?
Yes, the relay can be used at altitudes up to 4500 metres above sea level, but certain conditions regarding voltage, temperature, and derating must be observed as specified in the datasheet.
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.
