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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH1921-1CA01 |
| Alternative Part Number | 3RH19211CA01 |
| Manufacturer | Siemens |
| Voltage Rating | 690 V ac, 600 V dc |
| Contact Configuration | 1NC (Normally Closed) |
| Mounting Style | Snap-On |
| Location of Operation | Front-side |
| Commodity Code | 85365080 |
| Country of Origin | Not specified |
| Description | The Siemens 3RH1921-1CA01 is a front-side auxiliary switch block designed for reliable and efficient operation in various industrial applications. It features a snap-on mounting style for easy installation and a normally closed contact configuration. The switch block can handle voltage ratings of up to 690 V ac and 600 V dc, making it suitable for a wide range of electrical systems. Please note that the country of origin for this part is not specified. |
The Siemens 3RH1921-1CA01 is a robust and reliable auxiliary switch block designed to enhance the functionality of your industrial control systems. This front-side auxiliary switch, with its 1 NC (Normally Closed) contact, is specifically engineered for use with contactors for switching motors. It features a snap-on mounting type and screw-type terminals for auxiliary and control current circuits, ensuring easy installation and secure connections.
With an insulation voltage of 690 V at AC and a surge voltage resistance of 6 kV, this auxiliary switch block is built to withstand demanding industrial environments. It operates efficiently within a temperature range of -25 to +60 °C, making it suitable for a wide range of applications.
The Siemens 3RH1921-1CA01 auxiliary switch block is part of the renowned SIRIUS product line, known for its high-quality and performance. It offers a mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230 V, ensuring long-lasting durability and reliability.
Whether you're upgrading your existing system or building a new one, the Siemens 3RH1921-1CA01 auxiliary switch block is a solid choice for enhancing control and safety in your industrial applications.
Commonly Asked Questions
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Frequently Asked Questions
What is the voltage rating of this Siemens Auxiliary Switch Block?
The Siemens Auxiliary Switch Block is rated for 690 V ac and 600 V dc.
How many NC contacts does this Auxiliary Switch Block have?
This Auxiliary Switch Block has 1 NC (Normally Closed) contact.
What type of connection does this Auxiliary Switch Block use?
This Auxiliary Switch Block uses a screw-type terminal for auxiliary and control current circuit.
What is the operating current of the auxiliary contacts at AC-15?
The operating current of the auxiliary contacts at AC-15 is 6 A.
What type of mounting does this Auxiliary Switch Block use?
This Auxiliary Switch Block uses snap-on mounting.
What is the purpose of this Auxiliary Switch Block?
The Siemens Auxiliary Switch Block, 3RH1921-1CA01, is used for contactors for switching motors. It provides an additional switching function.
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.
