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Siemens 3RH1921-1CA10 auxiliary contact block, 1 NO + 1 NC, front-mount, for 3RT/3RH contactors, screw terminal, IP20 protection.

Siemens 3RH1921-1CA10

SKU: 3RH1921-1CA10
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Siemens 3RH1921-1CA10 | Snap-On Auxiliary Contact Block for 3RT and 3RH Contactors

Overview

The Siemens 3RH1921-1CA10 is a snap-on auxiliary contact block designed for 3RT and 3RH series contactors. It provides 1 normally open (NO) and 1 normally closed (NC) contact and mounts directly to the front of the contactor. Engineered for reliable signal switching and circuit feedback, this module is ideal for expanding control functionality in industrial electrical panels.

Key Features

  • Contact Configuration: 1 NO + 1 NC

  • Mounting Type: Front mount (snap-on)

  • Compatible With: Siemens 3RT and 3RH contactors

  • Connection Type: Screw terminal

  • Electrical Rating: AC-15 / DC-13

  • Terminal Protection: IP20

  • Color Code: Standard Siemens gray housing

Technical Specifications

  • Catalog Number: 3RH1921-1CA10

  • Product Type: Auxiliary contact block

  • Standards: IEC 60947-5-1

  • Rated Operational Current (Ie):

    • AC-15: 6 A at 230V

    • DC-13: 2 A at 24V

  • Mechanical Durability: Over 10 million operations

  • Mounting Position: Any

  • Operating Temperature: -25°C to +60°C

  • Dimensions (HxWxD): Approx. 45 x 45 x 30 mm

  • Certifications: CE, UL, CSA

Applications

  • Motor starter circuits

  • Control and signaling circuits

  • Auxiliary feedback for contactor status

  • Industrial automation panels

  • Machine interlocks and logic

Why Choose the 3RH1921-1CA10?

  • Compact and Reliable: Easy to install with front snap-on mounting

  • Universal Fit: Compatible with standard 3RT/3RH contactors

  • Dual Functionality: Includes both NO and NC contacts

  • Durable Design: Long mechanical life for industrial use

  • Trusted Siemens Quality: Globally recognized control components

Order Now

The Siemens 3RH1921-1CA10 auxiliary contact block is in stock and ready for global shipping.

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Siemens 3RH1921-1CA10 | Snap-On Auxiliary Contact Block for 3RT and 3RH Contactors

Overview

The Siemens 3RH1921-1CA10 is a snap-on auxiliary contact block designed for 3RT and 3RH series contactors. It provides 1 normally open (NO) and 1 normally closed (NC) contact and mounts directly to the front of the contactor. Engineered for reliable signal switching and circuit feedback, this module is ideal for expanding control functionality in industrial electrical panels.

Key Features

  • Contact Configuration: 1 NO + 1 NC

  • Mounting Type: Front mount (snap-on)

  • Compatible With: Siemens 3RT and 3RH contactors

  • Connection Type: Screw terminal

  • Electrical Rating: AC-15 / DC-13

  • Terminal Protection: IP20

  • Color Code: Standard Siemens gray housing

Technical Specifications

  • Catalog Number: 3RH1921-1CA10

  • Product Type: Auxiliary contact block

  • Standards: IEC 60947-5-1

  • Rated Operational Current (Ie):

    • AC-15: 6 A at 230V

    • DC-13: 2 A at 24V

  • Mechanical Durability: Over 10 million operations

  • Mounting Position: Any

  • Operating Temperature: -25°C to +60°C

  • Dimensions (HxWxD): Approx. 45 x 45 x 30 mm

  • Certifications: CE, UL, CSA

Applications

  • Motor starter circuits

  • Control and signaling circuits

  • Auxiliary feedback for contactor status

  • Industrial automation panels

  • Machine interlocks and logic

Why Choose the 3RH1921-1CA10?

  • Compact and Reliable: Easy to install with front snap-on mounting

  • Universal Fit: Compatible with standard 3RT/3RH contactors

  • Dual Functionality: Includes both NO and NC contacts

  • Durable Design: Long mechanical life for industrial use

  • Trusted Siemens Quality: Globally recognized control components

Order Now

The Siemens 3RH1921-1CA10 auxiliary contact block is in stock and ready for global shipping.

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Siemens 3RH1921-1CA10

Siemens 3RH1921-1CA10

$70.00
Add to wishlist
Siemens 3RH1921-1CA10

Siemens 3RH1921-1CA10

Your Price:
$70.00
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