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Specification & Description
The Siemens 3RA2120-1HA24-0BB4 is a robust and reliable load feeder designed for direct-on-line starting applications. This fuseless unit is engineered to facilitate the seamless operation of three-phase motors, ensuring efficient power management in a variety of industrial settings. With a size S0 footprint, it is compact and suitable for rail-mounting, making it an ideal choice for space-conscious installations.
Crafted for durability, the 3RA2120-1HA24-0BB4 boasts an impressive mechanical service life, capable of withstanding millions of switching cycles. It features a three-pole design for the main current circuit and offers short circuit protection, overload protection, and phase disturbance recognition, enhancing the safety and reliability of your electrical systems.
The unit operates with a control supply voltage of DC 24V and has screw-type terminals for secure and straightforward connections. It is designed to handle operating voltages up to 690V and can manage operating currents at AC-3 up to 6.5A, with an operating power at 400V rated value of 3,000W.
This load feeder is also equipped with a thermal (bimetallic) overload release with an adjustable pick-up value current, ensuring protection against overloads. The trip class is CLASS 10, providing a quick response to prevent motor damage. The device is also designed to work within a wide range of ambient temperatures, from as low as -20°C to as high as +60°C, making it versatile for various working environments.
The Siemens 3RA2120-1HA24-0BB4 is a testament to Siemens' commitment to quality, offering a reliable solution for direct-on-line motor starting applications across a spectrum of industries.
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.
Read more...What payment methods do you accept?
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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Read more...Peace of mind with every purchase
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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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Frequently Asked Questions
What is the purpose of this load feeder?
The load feeder is designed for fuseless direct-on-line starting, providing a compact and efficient solution for controlling motors in industrial applications.
Can this device be used for short circuit protection?
Yes, the load feeder includes short circuit protection as one of its functions, enhancing the safety and reliability of your motor control system.
Is there overload protection included with this load feeder?
Absolutely, the load feeder comes with an integrated overload protection feature to prevent damage to the motor due to excessive current.
Does this load feeder recognise phase disturbances?
Yes, it has the capability to recognise phase disturbances, which helps in maintaining the stability and performance of the motor.
What type of display does the load feeder have for switching status?
The load feeder features a switch setting display for clear and immediate indication of the switching status.
What is the insulation voltage rating for this load feeder?
The load feeder is rated for an insulation voltage of 690V with a degree of pollution 3, ensuring it can handle industrial voltage levels safely.
What level of impulse voltage resistance does this load feeder have?
The load feeder is designed to resist impulse voltages up to 6kV, providing robust protection against voltage spikes.
What is the protection class for the front of the load feeder?
The front of the load feeder is rated at IP20, offering protection against solid objects larger than 12mm and not against water.
Is the load feeder protected against electrical shock?
Yes, it is designed to be finger-safe, providing protection against electrical shock during normal handling and operation.
Can auxiliary switches be added to this load feeder?
Yes, the load feeder allows for the extension with auxiliary switches, enabling additional control and monitoring capabilities.
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.
