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Specification & Description
The Siemens 3RH1140-1AB00 is a high-quality contactor relay designed for a variety of industrial applications. This robust component features four normally open (NO) contacts, making it an ideal choice for users in the UK looking to control multiple circuits within their electrical systems. With a rated operational current of 10 A and a control supply voltage of 24 V AC at 50 Hz, it is well-suited for use in a wide range of control tasks.
Crafted to fit into a size S00 frame, the 3RH1140-1AB00 ensures a compact footprint within your control panels, allowing for efficient use of space. The screw connection terminals provide a secure and reliable means of installation, ensuring a solid electrical connection for consistent performance.
The contactor relay is rated with an IP20 protection class, indicating that it is protected against solid objects larger than 12.5 mm but not against water, making it suitable for use in environments where it is not exposed to moisture. Its mechanical operating life is impressive, with typical operating cycles reaching up to 30 million, which speaks to the durability and longevity of the device.
Engineered to perform reliably in a variety of environmental conditions, the 3RH1140-1AB00 can operate at installation altitudes of up to 2000 meters above sea level and within a wide temperature range from -25°C to +60°C during operation. This makes it a versatile choice for industries operating in different climates and geographical locations.
The Siemens 3RH1140-1AB00 contactor relay is a testament to Siemens' commitment to quality, reliability, and innovation, making it a valuable addition to any industrial control system.
Commonly Asked Questions
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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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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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Frequently Asked Questions
What type of device is this Siemens contactor relay?
This Siemens contactor relay is an electromechanical switching device designed for controlling power circuits. It features 4 normally open (NO) contacts and is suitable for use in various industrial applications.
Can this contactor relay be used with different voltage systems?
The contactor relay is specifically designed for a control supply voltage of 24 V AC at 50 Hz. It should be used within its rated voltage specifications to ensure proper operation and safety.
What is the current rating for this contactor relay?
The current rating for this contactor relay is 10 A, which indicates the maximum current the contacts can handle safely.
What is the size classification of this contactor relay?
This contactor relay is classified as size S00, which refers to its physical dimensions and the mounting space required.
What is the IP rating of this contactor relay and what does it signify?
The contactor relay has an IP20 rating, which means it has protection against solid objects larger than 12.5 mm but no protection against water ingress. It is suitable for indoor use where it is not exposed to moisture.
What are the ambient temperature limits for operating this contactor relay?
The contactor relay can operate within an ambient temperature range of -25 to +60 degrees Celsius, ensuring reliable performance in various industrial environments.
How many mechanical operating cycles can this contactor relay withstand?
This contactor relay has a mechanical service life of typically 30 million operating cycles, which indicates its durability and longevity in applications with frequent switching.
What is the significance of the insulation voltage rating for this contactor relay?
The insulation voltage rating of 690 V, with a degree of pollution 3, indicates the maximum voltage the insulation can withstand, providing a measure of safety against electrical shock and system faults.
Is there any specific orientation required for mounting this contactor relay?
The contactor relay is designed for vertical mounting, which should be adhered to for optimal performance and to comply with its technical specifications.
What is the purpose of the auxiliary switch mentioned in the product details?
The auxiliary switch in the contactor relay is used for signalling and interlocking purposes, allowing for the integration of the relay into control circuits for monitoring and safety functions.
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.
