3RH1921-1FA22

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$403.65
$403.65
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Overview of Siemens 3RH1921-1FA22

Buy genuine Siemens 3RH1921-1FA22 online today, a reliable snap-on auxiliary contact block ideal for industrial automation needs. Designed for use with Sirius 3-pole IEC contactors (sizes S0–S3), this contact block features 2 normally open (NO) and 2 normally closed (NC) contacts. Its front-mount design allows for quick installation and secure attachment. Conforming to IEC 60947-5-1 standards, the 3RH1921-1FA22 delivers robust performance and mechanical endurance suitable for demanding electrical control applications.

Key Features of Siemens 3RH1921-1FA22

  • 4-pole auxiliary contact block with 2 NO + 2 NC contacts for versatile control signaling
  • Snap-on front mount design enables easy installation on Siemens Sirius contactors
  • Screw terminal connections for secure and reliable wiring
  • Compatible with various Sirius contactors: 3RT102 to 3RT107 series
  • Compliant with IEC 60947-5-1 standards ensuring industrial-grade quality
  • Durability rated for up to 10 million mechanical switching cycles
  • Compact dimensions (approx. 4 x 4 x 5 cm) and lightweight (around 0.065 kg)
  • Reliable operation with NC contacts opening before NO contacts close during switching
  • Disassembly facilitated by a centrally positioned release lever

Technical Specs of Siemens 3RH1921-1FA22

Explore Siemens 3RH1921-1FA22 specifications for detailed parameters to ensure system compatibility.

Specification Value
Contact Configuration 2 NO + 2 NC
Mounting Type Snap-on, front mount
Terminal Type Screw terminals
Compatibility SIRIUS 3RT contactors, sizes S0–S3
Mechanical Service Life 10,000,000 switching cycles
Operating Current (AC-15) 6 A at 24V/230V, 3 A at 400V, 1 A at 690V
Dimensions (WxHxD) 4 x 4 x 5 cm
Weight 0.065 kg

Applications / Use Case

This Siemens 3RH1921-1FA22 is commonly used in industrial automation environments to provide additional switching points on Sirius contactors. Ideal for enhancing signal and control circuits, it fits seamlessly in factory control panels, manufacturing production lines, packaging and conveyor operations, and motion control systems. Its robust build ensures dependable auxiliary switching to support complex automation setups worldwide, helping optimize machine safety and efficiency.

Price & Availability

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3RH1921-1FA22

$403.65

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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