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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV2901-1A |
| Alternative Part Number | 3RV29011A |
| Manufacturer | Siemens |
| Series | SIRIUS |
| Type | Auxiliary Switch |
| Voltage Rating | 690 V |
| Contact Configuration | 1NO/1NC (1 Normally Open, 1 Normally Closed) |
| Mounting Type | Plug In |
| Dimensions | 9.5 x 70 x 90 mm |
| Electrical Connection | Screw-type terminals |
| Rated Operational Current | At 24 V: 10 A, At 230 V: 10 A, At 400 V: 10 A, At 690 V: 10 A (AC-15: At 690 V: 1 A) |
| Connectable Conductor | Solid: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), Finely stranded with core end processing |
| Certifications | CE, UL, CSA, CCC |
The Siemens 3RV2901-1A is a high-quality auxiliary switch designed to complement your circuit breaker setup. This lateral auxiliary switch is engineered to integrate seamlessly with Siemens circuit breakers of sizes S00 and S0, ensuring a reliable and efficient electrical system. With a protection class of IP20, it is suitable for a wide range of industrial applications.
This auxiliary switch features one normally closed (NC) and one normally open (NO) contact, providing the versatility needed for various control and signalling functions within electrical circuits. The operating current for the auxiliary contacts is rated at 10A for AC-12 at voltages of 24V and 230V, ensuring compatibility with common industrial power standards.
The compact dimensions of 9.5 mm in width, 70 mm in depth, and 90 mm in height make it an excellent choice for installations where space is at a premium. The switch is designed for plug-in mounting, which allows for quick and easy installation or replacement.
Constructed with screw-type terminals, the 3RV2901-1A facilitates secure and reliable connections, accommodating a range of conductor cross-sections for auxiliary contacts. This ensures a robust electrical connection that stands up to the demands of industrial environments.
The Siemens 3RV2901-1A auxiliary switch is a testament to Siemens' commitment to quality, reliability, and innovation, making it an essential component for enhancing the functionality and safety of your electrical systems.
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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Our service to you
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 voltage rating for this auxiliary switch?
The auxiliary switch is rated for a voltage of up to 690 V.
Can this auxiliary switch be used with any size circuit breaker?
This auxiliary switch is designed for use with size S00 and S0 circuit breakers.
What type of contacts does this auxiliary switch have?
The switch comes with one normally open (NO) and one normally closed (NC) contact.
What is the operating current rating for the auxiliary contacts?
The operating current for the auxiliary contacts is rated at 10 A for AC-12 at voltages of 24 V to 690 V.
What is the protection class of this auxiliary switch?
The protection class for the front of the auxiliary switch is IP20.
What are the ambient temperature limits for operating this auxiliary switch?
The auxiliary switch can operate within an ambient temperature range of -20 °C to +60 °C.
How is this auxiliary switch mounted?
The auxiliary switch is designed for plug-in mounting to the side of a circuit breaker.
What are the dimensions of this auxiliary switch?
The dimensions of the auxiliary switch are 9.5 x 70 x 90 mm.
Is there a specific series or family this auxiliary switch belongs to?
Yes, this auxiliary switch is part of the SIRIUS series by Siemens.
What is the purpose of using an auxiliary switch like this one?
An auxiliary switch is typically used for signalling, interlocking, or control circuit applications in conjunction with a main circuit breaker.
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.
