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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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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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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.
