3RH1921-1DA11 SIEMENS Auxiliary Switch Block

Product Description

The Siemens 3RH1921-1DA11 is an auxiliary switch block designed for use with Sirius Classic contactors (3RT1 series). It provides additional switching functions and is commonly used for monitoring the status of the contactor and for interlocking purposes.

Technical Specifications

• Type: Auxiliary switch block

• Contacts: 1 NO (normally open) and 1 NC (normally closed)

• Terminal type: Screw terminal

• Mounting: Directly onto the contactor

• Height: 80 mm

• Series: Sirius Classic

Product Advantages

• Compact design: The small form factor allows for easy installation in tight spaces.

• Reliable performance: Made with high-quality materials for long-lasting durability.

• Easy to install: The screw terminal connections make wiring simple.

• Versatility: Can be used with various contactor models in the 3RT1 series.

• Safety: Contributes to overall system safety by providing additional monitoring and control functions.

Precautions

• Compatibility: Ensure compatibility with the specific contactor model before installation.

• Torque: Tighten the screw terminals to the specified torque to prevent loose connections.

• Environment: Avoid exposure to excessive heat, moisture, or corrosive substances.

• Safety standards: Adhere to all relevant safety standards and regulations during installation and operation.

Applications

• Motor control: Monitoring the status of a motor contactor.

• Interlocking: Preventing unintended operation of equipment.

• Safety circuits: Implementing safety measures in automation systems.

• Control systems: Part of larger control systems for various industrial applications.

Additional Information

• Product datasheet: For more detailed technical information, refer to the official Siemens product datasheet.

• Online resources: Visit the Siemens Industry Mall or Siemens Support for additional resources, such as FAQs, documentation, and troubleshooting guides.

In summary, the Siemens 3RH1921-1DA11 auxiliary switch block is a reliable and versatile component used in various industrial applications to provide additional switching functions and enhance system safety.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

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