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Siemens 3RH1921-1CA01, Snap-On Auxiliary Contact with Screw Terminal, NC

3RH1921-1CA01 Siemens , Snap-On Auxiliary Contact with Screw Terminal, NC
3RH1921-1CA01
3RH1921-1CA01
ET16848787
ET16848787
Siemens

Product Information

Contact Voltage Rating:
690 V
Minimum Operating Temperature:
-55°C
Operating Temperature Range:
-55 → +80 °C
Contact Current Rating:
1 A
Series:
3RH1
Pole and Throw Configuration:
SP
Mounting Style:
Snap-On
Range:
Sirius Classic
Normal State Configuration:
1NC
Number of Contacts:
1
Maximum Operating Temperature:
+80°C
Terminal Type:
Screw
HTSUS:
8536.50.9065
Package:
Bulk
Series:
SIRIUS 3RH1
RoHS Status:
ROHS3 Compliant
Accessory Type:
Auxiliary Switch
REACH Status:
REACH Unaffected
Moisture Sensitivity Level (MSL):
Not Applicable
Base Product Number:
3RH1921
standardLeadTime:
2 Weeks
For Use With/Related Products:
3RT1 Contactors
ECCN:
EAR99
RoHs Compliant
Checking for live stock

The Siemens 3RH1921-1CA01 is an auxiliary contact block designed for industrial applications. It is a snap-on device with a screw terminal, providing a reliable and efficient means of extending the functionality of control relays and contactors. This model is notable for its normally closed (NC) contact configuration. Its design and features make it a valuable asset for enhancing the functionality and safety of various electrical systems.

Salient Features and Benefits of the Snap-On Auxiliary Contact

  • The 3RH1921-1CA01 is built to withstand the rigours of industrial environments.
  • Its durable construction ensures longevity and consistent performance under various operating conditions.
  • Featuring a Snap-On mechanism, this auxiliary contact block is designed for quick and hassle-free installation.
  • Siemens has designed this model to be compatible with a wide range of control relays and contactors.
  • The screw terminal provides a secure and stable connection, ensuring reliable operation and minimising the risk of connection failures.

Space-Efficient Design

Its compact size enables efficient use of space within control panels, an essential aspect in modern industrial setups where space can be at a premium.

The Siemens 3RH1921-1CA01, Snap-On Auxiliary Contact with Screw Terminal, NC: Use Cases

The Siemens 3RH1921-1CA01, with its robust construction, ease of installation, and versatile application, stands out as a reliable component in industrial control systems, including:

  • Motor Control Centres: The 3RH1921-1CA01 is widely utilised in motor control centres for adding auxiliary control, signalling, and interlocking functions.
  • Automation Systems: In automation systems, this auxiliary contact block is crucial for providing feedback signals and confirming the safe and efficient operation of the system.
  • Safety Circuits: Due to its normally closed configuration, it is ideal for use in safety circuits, where it can be used to ensure that a circuit is de-energised for safe maintenance or in an emergency.
  • Energy Management: It also finds applications in energy management systems, where it assists in monitoring and controlling power usage.

pdf icon
Datasheet(Technical Reference)
pdf icon
Sirius: Migrating From Classic to Innovation(Technical Reference)
pdf icon
Manual - Contactor S6 / S10 / S12(Technical Reference)
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3RH1921-1CA01(Datasheets)

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You can order Siemens brand products with 3RH1921-1CA01 directly through our website or call us at +44 (0) 3303 800 157 or email our support team at sales@enrgtech.co.uk.
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You will get a confirmation email regarding your order of Siemens 3RH1921-1CA01, Snap-On Auxiliary Contact with Screw Terminal, NC. You can also check on our website or by contacting our customer support team for further order details on Siemens 3RH1921-1CA01, Snap-On Auxiliary Contact with Screw Terminal, NC.
We use our internationally recognized delivery partners UPS/DHL. Collection of ET16848787 can also be arranged for the customer by international shipments through contacting our customer support team. Additionally, you can also search "Siemens" products on our website by using Enrgtech's Unique Manufacturing Part Number ET16848787.
Yes. We ship 3RH1921-1CA01 Internationally to many countries around the world.