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Siemens 3RH1921-1EA11 Auxiliary switch

Brand:SIEMENS

model:3RH1921-1EA11

Warranty: 12 months

Lead Time:3-day working day   

Country of origin: USA Price: Please contact us         

Product weight:0.44kg

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Siemens 3RH1921-1EA11 Auxiliary switch


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Products Name: Siemens 3RH1921-1EA11 Auxiliary switch

PRODUCT DESCRIPTION

Product Description

The Siemens 3RH1921-1EA11 is a first lateral auxiliary switch designed for use with Siemens 3RT1 contactors. It provides additional contact points that can be used for various control and signaling purposes. This auxiliary switch is particularly useful when you need to expand the functionality of your contactor circuit.  


Key Features and Specifications

  • Contact Configuration: 1 Normally Open (NO) and 1 Normally Closed (NC) contacts.

     
  • Mounting: Lateral mounting for direct connection to Siemens 3RT1 contactors.

     
  • Terminal Type: Screw terminal for easy wiring.

     
  • Mechanical Life: 10 million switching cycles.

  • Operating Voltage: Up to 690V AC.

  • Operating Current: Varies depending on the voltage and load. Refer to the datasheet for specific values.

Advantages

  • Versatility: Expands the functionality of Siemens 3RT1 contactors.

  • Reliability: Designed for long-term operation in demanding industrial environments.

  • Easy Installation: Simple to install and wire.

  • Compatibility: Specifically designed for Siemens 3RT1 contactors.

  • Safety: Meets relevant safety standards.

Precautions

  • Compatibility: Ensure that the auxiliary switch is compatible with your specific contactor model.

  • Wiring: Follow the wiring diagram provided in the datasheet to ensure correct connections.

  • Torque: Tighten the terminal screws to the specified torque to prevent loose connections.

  • Environment: Avoid exposing the auxiliary switch to excessive heat, cold, or humidity.

Applications

  • Motor Control: Used to control auxiliary circuits such as pilot lights, alarms, and interlocks.

  • Automation: Employed in various automation applications to provide additional control and signaling functions.

     
  • Machine Control: Used in machine tools, packaging machines, and other industrial equipment.

Additional Information

  • Data Sheet: For more detailed specifications and technical information, refer to the official Siemens product datasheet.

  • Selection Guide: Siemens provides selection guides to help you choose the right auxiliary switch for your application.

  • Replacement: Always use genuine Siemens replacement parts to ensure optimal performance and safety.

Note: The specific applications and capabilities of the 3RH1921-1EA11 may vary depending on the overall system design.

Would you like to know more about a specific aspect of the 3RH1921-1EA11, such as:

  • Wiring diagrams

  • Selection criteria

  • Compatibility with other Siemens components

  • Troubleshooting

Siemens 3RH1921-1EA11

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapor

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

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

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