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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 |
| Part Description | This Siemens Auxiliary Switch Block is designed for front-side operation and features a snap-on mounting style. It has a voltage rating of 690 V ac and 600 V dc, and a normally closed (1NC) contact configuration. Please note that the country of origin is not specified. The part number for this product is 3RH1921-1CA01, with an alternative part number of 3RH19211CA01. |
The Siemens 3RH1921-1CA01 is a robust and reliable auxiliary switch block designed for optimal performance in industrial settings. This front-side auxiliary switch, with its 1 NC contact, is specifically engineered for use with contactors for switching motors. It operates with an insulation voltage of 690 V, making it suitable for high-demand applications. The switch block features a snap-on mounting type, ensuring easy installation and secure fit. It also boasts a screw-type terminal design for auxiliary and control current circuits, providing a solid and dependable connection. With a mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230 V, this Siemens auxiliary switch block offers longevity and durability. It's compliant with DIN EN50005 standards, further attesting to its quality and reliability. Whether you're upgrading your existing system or building a new one, the Siemens 3RH1921-1CA01 auxiliary switch block is a top-tier choice for your industrial control needs.
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Frequently Asked Questions
What is the voltage rating of this Siemens Auxiliary Switch Block?
The Siemens Auxiliary Switch Block, part number 3RH1921-1CA01, has a voltage rating of 690 V ac and 600 V dc.
What type of contact does this Auxiliary Switch Block have?
This Auxiliary Switch Block has 1 Normally Closed (NC) contact.
Where can this Auxiliary Switch Block be installed?
The 3RH1921-1CA01 Auxiliary Switch Block is designed for front-side installation.
What is the purpose of an Auxiliary Switch Block?
An Auxiliary Switch Block like the 3RH1921-1CA01 is used to provide additional switching contacts for a main contactor or relay. This can be useful in complex control circuits.
Is this Auxiliary Switch Block snap-on?
Yes, the Siemens 3RH1921-1CA01 Auxiliary Switch Block is designed with a snap-on feature for easy installation.
What is the Commodity Code for this part?
The Commodity Code for the Siemens 3RH1921-1CA01 Auxiliary Switch Block is 85365080.
