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Siemens 3RH1921-1HA22

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3RH1921-1HA22

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Marvo Stock ID MV-1KJ6
HS Code 85365080
SKU 3RH1921-1HA22
Warranty 12 months
Weight (kg) 1.00
Length (mm) 260.00
Width (mm) 210.00
Height (mm) 180.00

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Specification & Description

Specification Description
Part Number 3RH1921-1HA22
Alternative Part Number 3RH19211HA22
Manufacturer Siemens
Description This is a Siemens Auxiliary Switch Block designed for motor contactors. It operates at a voltage of 690 V ac and 600 V dc. It features a snap-on mounting type and has 2NO/2NC contacts. The switch block is 4-pole and uses a screw terminal for connection. It is suitable for use with Size S0 to S3 contactors.
Short Description Auxiliary switch block, 22, 2 NO + 2 NC, EN 50012, 4-pole, screw terminal, for motor contactors, Size S0 .. S3
Country of Origin Not specified
Commodity Code 85365080
Ambient Temperature -25 to +60 °C during operation, -55 to +80 °C during storage
Protection Class IP on the Front IP20
Mechanical Service Life Typical 10,000,000 switching cycles
Electrical Endurance Typical 200,000 switching cycles at AC-15 at 230 V
Insulation Voltage Rated value 690 V with degree of pollution 3
Surge Voltage Resistance Rated value 6 kV
Auxiliary Circuit 2 NC contacts for auxiliary contacts (instantaneous contact), 2 NO contacts for auxiliary contacts (instantaneous contact)
Operating Current of the Auxiliary Contacts at AC-12 10 A at 24 V, 10 A at 230 V, maximum 10 A
Mounting Type Snap-on mounting
Dimensions Width: 44 mm, Height: 38 mm, Depth: 51 mm
Connections/Terminals Screw-type terminals
Safety Related Data Mirror contact acc. to IEC 60947-4-1: Yes, Positively driven operation acc. to IEC 60947-5-1: No

The Siemens 3RH1921-1HA22 is a high-quality auxiliary switch block designed for optimal performance in industrial settings. This 4-pole, snap-on device is compatible with motor contactors of sizes S0 to S3. It features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, conforming to EN 50012 standards. The switch block operates efficiently within an ambient temperature range of -25 to +60 degrees Celsius, ensuring reliability in various working conditions. With an impressive mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230V, this Siemens auxiliary switch block offers durability and longevity. Its screw terminals facilitate easy and secure connections, making it a practical choice for your automation needs. Please note, this is a phased-out product.

Commonly Asked Questions

Is my order covered by a warranty?

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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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Frequently Asked Questions

What is the description of this part?

This part is an Auxiliary Switch Block with a voltage rating of 690 V ac and 600 V dc. It has 2NO/2NC Snap-On configuration and is suitable for motor contactors of size S0 to S3.

What is the functionality of this part?

This part is designed to provide auxiliary switching for motor contactors. It has 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, making it versatile for various industrial applications.

What are the technical specifications of this part?

The part has an insulation voltage of 690V with a degree of pollution 3. It has a surge voltage resistance of 6kV. The part is designed for snap-on mounting and has screw-type terminals for auxiliary and control current circuit.

What is the operating temperature range for this part?

The part can operate effectively in a temperature range of -25 to +60 degrees Celsius. It can be stored in temperatures ranging from -55 to +80 degrees Celsius.

What is the mechanical service life of this part?

The part has a typical mechanical service life of 10 million switching cycles.

What is the electrical endurance of this part?

The part has an electrical endurance of 200,000 switching cycles at AC-15 at 230V.

What is the contact reliability of this part?

The part has a contact reliability of one incorrect switching operation of 100 million switching operations (17 V, 5 mA).

What is the size of this part?

The part has a width of 44mm, a height of 38mm, and a depth of 51mm.

What type of connection does this part use?

The part uses screw-type terminals for auxiliary and control current circuit.

Does this part have a mirror contact according to IEC 60947-4-1?

Yes, the 3RH1921-1HA22 part does have a mirror contact according to IEC 60947-4-1.

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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.

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