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Siemens 3RH1921-1EA11 auxiliary contact block, 1 NO + 1 NC, front mount, screw terminals, for 3RT/3RH SIRIUS contactors.

Siemens 3RH1921-1EA11

SKU: 3RH1921-1EA11
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$65.00
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Siemens 3RH1921-1EA11 | Auxiliary Contact Block for Contactors

Overview

The Siemens 3RH1921-1EA11 is a front-mountable auxiliary contact block designed for use with SIRIUS 3RT and 3RH contactors. It provides one normally open (NO) and one normally closed (NC) contact, offering flexibility for control and signaling circuits in industrial automation systems.

Key Features

  • Contact Configuration: 1 NO + 1 NC

  • Mounting Style: Front-mounted (snap-on design)

  • Connection Type: Screw terminals

  • Suitable For: 3RT1 and 3RH1 contactors

  • Standards Compliance: IEC/EN 60947-5-1

  • Insulation Voltage (Ui): 690 V

  • Conventional Thermal Current (Ith): 10 A

  • Mechanical Durability: >10 million operations

  • Electrical Durability: ~1 million operations (AC-15)

Technical Specifications

  • Catalog Number: 3RH1921-1EA11

  • Utilization Category: AC-15, DC-13

  • Operating Voltage: Up to 400V AC

  • Mounting Position: Any

  • Dimensions (H x W x D): Approx. 45 mm x 18 mm x 46 mm

  • Weight: Approx. 50 g

  • Ambient Temperature:

    • Operation: -25°C to +60°C

    • Storage: -55°C to +80°C

  • Protection Rating: IP20

  • Country of Origin: Germany

Applications

  • Signal Switching: For auxiliary control circuits

  • Contactor Feedback: Adds additional feedback points to contactor assemblies

  • Machine Interlocking: Used in safety and interlocking logic

  • Industrial Control Panels: Modular integration with contactors

Why Choose the 3RH1921-1EA11?

  • Compact Design: Minimal space requirement in panel setups

  • Tool-Free Mounting: Simple snap-on installation saves time

  • Dual Contacts: Adds both NO and NC for flexible circuit control

  • Siemens Quality: Long lifespan and reliable electrical performance

Order Now

Available and ready for fast worldwide delivery.

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 3RH1921-1EA11 | Auxiliary Contact Block for Contactors

Overview

The Siemens 3RH1921-1EA11 is a front-mountable auxiliary contact block designed for use with SIRIUS 3RT and 3RH contactors. It provides one normally open (NO) and one normally closed (NC) contact, offering flexibility for control and signaling circuits in industrial automation systems.

Key Features

  • Contact Configuration: 1 NO + 1 NC

  • Mounting Style: Front-mounted (snap-on design)

  • Connection Type: Screw terminals

  • Suitable For: 3RT1 and 3RH1 contactors

  • Standards Compliance: IEC/EN 60947-5-1

  • Insulation Voltage (Ui): 690 V

  • Conventional Thermal Current (Ith): 10 A

  • Mechanical Durability: >10 million operations

  • Electrical Durability: ~1 million operations (AC-15)

Technical Specifications

  • Catalog Number: 3RH1921-1EA11

  • Utilization Category: AC-15, DC-13

  • Operating Voltage: Up to 400V AC

  • Mounting Position: Any

  • Dimensions (H x W x D): Approx. 45 mm x 18 mm x 46 mm

  • Weight: Approx. 50 g

  • Ambient Temperature:

    • Operation: -25°C to +60°C

    • Storage: -55°C to +80°C

  • Protection Rating: IP20

  • Country of Origin: Germany

Applications

  • Signal Switching: For auxiliary control circuits

  • Contactor Feedback: Adds additional feedback points to contactor assemblies

  • Machine Interlocking: Used in safety and interlocking logic

  • Industrial Control Panels: Modular integration with contactors

Why Choose the 3RH1921-1EA11?

  • Compact Design: Minimal space requirement in panel setups

  • Tool-Free Mounting: Simple snap-on installation saves time

  • Dual Contacts: Adds both NO and NC for flexible circuit control

  • Siemens Quality: Long lifespan and reliable electrical performance

Order Now

Available and ready for fast worldwide delivery.

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 3RH1921-1EA11

Siemens 3RH1921-1EA11

$65.00
Add to wishlist
Siemens 3RH1921-1EA11

Siemens 3RH1921-1EA11

Your Price:
$65.00
Item Added to Your Cart
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