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Proudly stocked in the USA

Siemens 3Rh1921-1Ca10
Siemens 3RH1921-1CA10
Siemens 3RH1921-1CA10
Siemens 3RH1921-1CA10
Siemens 3RH1921-1CA10
Siemens 3RH1921-1CA10
Siemens 3Rh1921-1Ca10
Proudly stocked in the USA
  • Siemens 3Rh1921-1Ca10
  • Siemens 3RH1921-1CA10
  • Siemens 3RH1921-1CA10
  • Siemens 3RH1921-1CA10
  • Siemens 3RH1921-1CA10
  • Siemens 3RH1921-1CA10

Siemens 3RH1921-1CA10

SKU: 3RH1921-1CA10-NSO

In stock

Estimated delivery: October 22nd - October 26th

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Regular price
$13.00
Sale price
$13.00
IAC Certified Refurbished
Call for Availability
Request a quote
New Open Box
$13
In stock
Ships today

Description

The Siemens 3RH1921-1CA10 is a SIRIUS auxiliary switch block for contactors and motor starters, providing 1 NO (1-pole) auxiliary contacts for control, interlocking, and signaling circuits.

It snap-mounts on the front of the contactor and is suitable for use with SIRIUS 3RT1 contactors sizes S0 to S12 (3RT1023 through 3RT106x families).

Technical Specifications

Manufacturer Siemens
Series SIRIUS
Type Auxiliary Switch Block
Contact Configuration 1 NO (1-pole)
Terminals Screw terminals
Mounting On the front of the contactor
Suitable For SIRIUS 3RT1 contactors sizes S0 to S12 (3RT1023 through 3RT106x families)

Industrial Automation Co. offers the 3RH1921-1CA10 in New and IAC Certified Refurbished condition. Contact our sales team for availability, pricing, and lead time.

Regular price
$13.00
Sale price
$13.00

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  • Eligible for next day delivery

    Same-day shipping on in-stock IAC items ordered by 4:00 PM Eastern, Monday to Friday.

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  • 24 month warranty

    Longer than typical industry coverage: full protection against defects for 2 full years.

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  • Multiple conditions available

    Multiple sourcing paths to help you control costs without compromising performance.

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  • Best catalog

    Large U.S. inventory and fast sourcing for Mitsubishi, Siemens, Schneider & more.

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  • Trusted by 65,000+ customers

    Manufacturers and facilities nationwide rely on us for parts, repairs, and support.

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  • Buying Options

    Covered by Industrial Automation Co.'s 2-Year Warranty.

    Condition SKU Price Warranty Availability Quantity Purchase
    New Open Box 3RH1921-1CA10-NSO $13.00 2-Year IAC Warranty (included) In Stock in the United States!
    IAC Certified Refurbished 3RH1921-1CA10-R 2-Year IAC Warranty (included) Call for Availability Call for Availability (877) 727-8757
  • Description

    The Siemens 3RH1921-1CA10 is a SIRIUS auxiliary switch block for contactors and motor starters, providing 1 NO (1-pole) auxiliary contacts for control, interlocking, and signaling circuits.

    It snap-mounts on the front of the contactor and is suitable for use with SIRIUS 3RT1 contactors sizes S0 to S12 (3RT1023 through 3RT106x families).

    Technical Specifications

    Manufacturer Siemens
    Series SIRIUS
    Type Auxiliary Switch Block
    Contact Configuration 1 NO (1-pole)
    Terminals Screw terminals
    Mounting On the front of the contactor
    Suitable For SIRIUS 3RT1 contactors sizes S0 to S12 (3RT1023 through 3RT106x families)

    Industrial Automation Co. offers the 3RH1921-1CA10 in New and IAC Certified Refurbished condition. Contact our sales team for availability, pricing, and lead time.

  • Part Number Breakdown

    Part number reference — 3RH1921-1CA10

    Auxiliary switch block, 1 NO, EN 50005 screw terminal, for motor contactors, 1-pole

    Official Siemens catalog description.

    Product familySIRIUS 3RH19 Auxiliary Switch Block for Motor Contactors
    SeriesSIRIUS
    Typeaccessory

    Questions or need a quote? Call 877-727-8757 or email sales@iac.us.com.

  • Documentation

    Documentation & assistant

    Open the official documents, or ask the assistant and get the page it came from.

    Ask the product assistant

    Answers cite the page they come from. Critical values should be checked on the datasheet.

Quick search

Send in your item for a free evaluation and repair quote. Use our RMA form or email a repair request to service@iac.us.com , and we will contact you to assess your situation and offer shipping information.

Technical Support

Need help with installation, configuration, or troubleshooting? Our technical experts are available to assist you.

  • Phone Support

    (877) 727-8757

  • Email Support

    sales@iac.us.com

Order Your Industrial Automation Parts Today

Industrial Automation Co. is a premier supplier of replacement and aftermarket industrial components. In addition to the 3RH1921-1CA10, we offer hundreds of Siemens parts available now in our warehouse. Most of our automation components ship on the same day and are covered by our two-year service warranty. Contact us to order your Siemens replacement parts today.