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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV2901-2A |
| Alternative Part Number | 3RV29012A |
| Manufacturer | Siemens |
| Type | Auxiliary switch for circuit breaker |
| Mounting | Plug-in fixing |
| Width | 9.5 mm |
| Height | 90 mm |
| Depth | 68 mm |
| Electrical Connection | Spring-loaded terminals |
| Conductor Cross Section | 2x (0.5 ... 1.5 mm²) solid, 2x (0.5 ... 1.5 mm²) finely stranded |
| AWG Conductors | 2x (20 ... 14) for auxiliary contacts |
| Rated Operational Voltage | 240 V AC general use, 24 V DC |
| Contact Configuration | 1NO + 1NC contacts |
| Rated Frequency | 50/60 Hz |
| Approvals | CE, UL, CSA, CCC |
| Suitable For | Use with 3RV2 circuit breakers |
The Siemens 3RV2901-2A is a meticulously engineered auxiliary switch designed to complement circuit breakers in industrial applications. This lateral auxiliary switch, suitable for sizes S00 and S0, is an essential component for enhancing control and safety within electrical circuits. It features a configuration of one normally open (NO) and one normally closed (NC) contact, providing versatility in its integration with various control schemes.
Constructed to the high standards synonymous with Siemens products, the 3RV2901-2A ensures reliable performance in a range of operating conditions. Its spring-loaded connection technology facilitates quick and secure connections, streamlining the installation process and maintenance routines.
This auxiliary switch is an integral part of a comprehensive protection system, working seamlessly with circuit breakers to deliver real-time operational status and enable or disable circuits as required. Its robust design is characterised by a compact form factor, allowing for efficient use of space within control panels.
The 3RV2901-2A is a testament to Siemens' commitment to quality, offering a dependable solution for industrial control systems that demand precision and durability. Whether used in manufacturing, automation, or other demanding sectors, this auxiliary switch stands as a critical component for modern electrical infrastructure.
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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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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Frequently Asked Questions
What is the function of this auxiliary switch?
The auxiliary switch is designed to be mounted on the side of a circuit breaker and provides an additional set of contacts that can be used for signaling or control purposes. It features one normally open (NO) and one normally closed (NC) contact.
Can this auxiliary switch be used with any size of circuit breaker?
The 3RV2901-2A is compatible with circuit breakers of sizes S00, S0, S2, and S3, making it versatile for use with a range of circuit breakers within the specified sizes.
What type of terminal connection does this auxiliary switch support?
This auxiliary switch is equipped with spring-loaded terminals, which are designed for quick and secure connections.
What is the IP protection class of this auxiliary switch?
The auxiliary switch has an IP20 protection class rating on the front, indicating that it is protected against solid objects larger than 12mm but not against water.
What are the operating temperature limits for this auxiliary switch?
The auxiliary switch can operate within an ambient temperature range of -20°C to +60°C during operation, and it can be stored in temperatures ranging from -50°C to +80°C.
How many auxiliary contacts does this switch have?
The switch has one normally closed (NC) contact and one normally open (NO) contact for auxiliary purposes.
What is the maximum operating current for the auxiliary contacts?
The auxiliary contacts can handle a maximum operating current of 10A for AC-12 applications at voltages of 24V, 230V, 400V, and 690V.
Is this auxiliary switch suitable for lateral mounting?
Yes, the 3RV2901-2A is specifically designed for lateral mounting to the side of a circuit breaker.
Can this auxiliary switch be used in both AC and DC applications?
Yes, the auxiliary switch is suitable for use in both AC and DC applications, with specific current ratings for each type of circuit.
What certifications does this auxiliary switch hold?
The auxiliary switch complies with general product approvals and declarations of conformity, but for specific certifications, please refer to the product documentation or contact the manufacturer.
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.
