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Siemens 3RH1921-1HA22 auxiliary contact block, 2NO + 2NC, front mount, screw terminal, for SIRIUS S0/S00 contactors.

Siemens 3RH1921-1HA22

SKU: 3RH1921-1HA22
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Siemens 3RH1921-1HA22 | SIRIUS Auxiliary Contact Block – 2NO + 2NC, Front Mount, Screw Terminal

Overview

The Siemens 3RH1921-1HA22 is a snap-on auxiliary contact block from the SIRIUS series, featuring 2 normally open (NO) and 2 normally closed (NC) contacts. Designed for front mounting on Siemens S0 and S00 size contactors, this module extends the control functionality in motor starter and automation circuits.

Key Features

  • Contact Configuration: 2 NO + 2 NC

  • Mounting Type: Front mount (snap-on)

  • Terminal Type: Screw terminals

  • Compatibility: Fits 3RT2 contactors (Size S0 and S00)

  • Mechanical Life: >10 million operations

  • Compact Design: Adds minimal depth to contactor assemblies

Technical Specifications

  • Part Number: 3RH1921-1HA22

  • Series: SIRIUS

  • Contact Material: AgNi (silver-nickel)

  • Rated Current: 10A (AC-15 @ 230V)

  • Standards: IEC 60947-5-1

  • Mounting Position: Any

  • Ambient Temperature Range: -25°C to +60°C

  • Certifications: CE, UL, CSA, RoHS

Applications

  • Auxiliary functions in motor starters

  • Signaling and interlocking in control panels

  • Expansion of contactor output

  • HVAC, conveyor systems, and industrial machines

  • Safety circuits and control logic

Why Choose the 3RH1921-1HA22?

  • Flexible Contact Arrangement: 2NO + 2NC for versatile control logic

  • Easy Installation: Snap-on mounting to contactor front face

  • High Durability: Built for long life in industrial environments

  • Reliable Siemens Design: Consistent performance in demanding applications

  • Universal Use: Compatible with SIRIUS Size S0 and S00 contactors

Order Now

The Siemens 3RH1921-1HA22 auxiliary contact block is in stock and ships worldwide. 

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 3RH1921-1HA22 | SIRIUS Auxiliary Contact Block – 2NO + 2NC, Front Mount, Screw Terminal

Overview

The Siemens 3RH1921-1HA22 is a snap-on auxiliary contact block from the SIRIUS series, featuring 2 normally open (NO) and 2 normally closed (NC) contacts. Designed for front mounting on Siemens S0 and S00 size contactors, this module extends the control functionality in motor starter and automation circuits.

Key Features

  • Contact Configuration: 2 NO + 2 NC

  • Mounting Type: Front mount (snap-on)

  • Terminal Type: Screw terminals

  • Compatibility: Fits 3RT2 contactors (Size S0 and S00)

  • Mechanical Life: >10 million operations

  • Compact Design: Adds minimal depth to contactor assemblies

Technical Specifications

  • Part Number: 3RH1921-1HA22

  • Series: SIRIUS

  • Contact Material: AgNi (silver-nickel)

  • Rated Current: 10A (AC-15 @ 230V)

  • Standards: IEC 60947-5-1

  • Mounting Position: Any

  • Ambient Temperature Range: -25°C to +60°C

  • Certifications: CE, UL, CSA, RoHS

Applications

  • Auxiliary functions in motor starters

  • Signaling and interlocking in control panels

  • Expansion of contactor output

  • HVAC, conveyor systems, and industrial machines

  • Safety circuits and control logic

Why Choose the 3RH1921-1HA22?

  • Flexible Contact Arrangement: 2NO + 2NC for versatile control logic

  • Easy Installation: Snap-on mounting to contactor front face

  • High Durability: Built for long life in industrial environments

  • Reliable Siemens Design: Consistent performance in demanding applications

  • Universal Use: Compatible with SIRIUS Size S0 and S00 contactors

Order Now

The Siemens 3RH1921-1HA22 auxiliary contact block is in stock and ships worldwide. 

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 3RH1921-1HA22

Siemens 3RH1921-1HA22

$40.00
Add to wishlist
Siemens 3RH1921-1HA22

Siemens 3RH1921-1HA22

Your Price:
$40.00
Item Added to Your Cart
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