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Auxiliary contact block Siemens 3RH1921-1DA11, 24V DC, 1 NO & NC contact, ideal for industrial automation

Siemens 3RH1921-1DA11

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Siemens 3RH1921-1DA11 | Auxiliary Contact Block

Overview:

The Siemens 3RH1921-1DA11 is an auxiliary contact block crafted to enhance the functionality of industrial contactors and relays. It includes 1 normally open (NO) and 1 normally closed (NC) contact, offering dependable signal switching in control circuits. With a 24V DC operating voltage, this unit is perfect for automation systems, motor controls, and industrial machinery applications.

Key Features:

  • 1 Normally Open (NO) + 1 Normally Closed (NC) Contact – Provides versatile control and signaling
  • 24V DC Operating Voltage – Works with standard industrial control systems
  • Clip-On Design – Simple installation on Siemens 3RH and 3RT contactors
  • Reliable Electrical Performance – Ensures long-term stability in operations
  • Compact and Space-Saving – Designed for control panels and automation enclosures
  • IEC and UL Compliant – Adheres to international standards for industrial safety and performance

Technical Specifications:

  • Control Voltage: 24V DC
  • Contacts: 1 NO + 1 NC
  • Mounting Type: Clip-on for Siemens 3RH/3RT contactors
  • Electrical Lifespan: High durability for extended switching operations
  • Terminal Type: Screw connection
  • Operating Temperature: -25°C to +60°C
  • Protection Rating: IP20

Applications:

  • Extension of Siemens 3RH and 3RT contactors
  • Industrial automation and machine control
  • Signal transmission and electrical isolation
  • Conveyor systems and motor control circuits
  • HVAC and building automation

Why Choose the Siemens 3RH1921-1DA11?

The Siemens 3RH1921-1DA11 auxiliary contact block improves system flexibility by adding additional switching capabilities to existing relays and contactors. With its easy clip-on installation, compact design, and high electrical durability, it is a dependable solution for industrial automation needs.

Order Now to enhance your control system with Siemens' reliable auxiliary contact solutions.

Brand-New, Authentic, Factory-Sealed Components At PLCVERSE, every item we offer is guaranteed to be brand-new, original, and delivered in its factory-sealed packaging. Our parts are sourced with strict quality control to ensure you receive genuine automation components that meet top industry reliability and performance standards.
1-Year Warranty Coverage Every new product purchased from PLCVERSE includes a full 1-year warranty. We stand behind the quality and durability of our automation components, providing protection against manufacturing defects under normal use. Our commitment is to ensure you receive dependable, high-performance parts with complete peace of mind.
PLCVERSE is an independent seller of industrial automation equipment. We are not an authorized distributor, partner, or representative of any of the manufacturers featured on this website. All brand names, trademarks, and logos remain the property of their respective owners. PLCVERSE has no association or endorsement from ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other brands mentioned.

Description

Siemens 3RH1921-1DA11 | Auxiliary Contact Block

Overview:

The Siemens 3RH1921-1DA11 is an auxiliary contact block crafted to enhance the functionality of industrial contactors and relays. It includes 1 normally open (NO) and 1 normally closed (NC) contact, offering dependable signal switching in control circuits. With a 24V DC operating voltage, this unit is perfect for automation systems, motor controls, and industrial machinery applications.

Key Features:

  • 1 Normally Open (NO) + 1 Normally Closed (NC) Contact – Provides versatile control and signaling
  • 24V DC Operating Voltage – Works with standard industrial control systems
  • Clip-On Design – Simple installation on Siemens 3RH and 3RT contactors
  • Reliable Electrical Performance – Ensures long-term stability in operations
  • Compact and Space-Saving – Designed for control panels and automation enclosures
  • IEC and UL Compliant – Adheres to international standards for industrial safety and performance

Technical Specifications:

  • Control Voltage: 24V DC
  • Contacts: 1 NO + 1 NC
  • Mounting Type: Clip-on for Siemens 3RH/3RT contactors
  • Electrical Lifespan: High durability for extended switching operations
  • Terminal Type: Screw connection
  • Operating Temperature: -25°C to +60°C
  • Protection Rating: IP20

Applications:

  • Extension of Siemens 3RH and 3RT contactors
  • Industrial automation and machine control
  • Signal transmission and electrical isolation
  • Conveyor systems and motor control circuits
  • HVAC and building automation

Why Choose the Siemens 3RH1921-1DA11?

The Siemens 3RH1921-1DA11 auxiliary contact block improves system flexibility by adding additional switching capabilities to existing relays and contactors. With its easy clip-on installation, compact design, and high electrical durability, it is a dependable solution for industrial automation needs.

Order Now to enhance your control system with Siemens' reliable auxiliary contact solutions.

Condition

Brand-New, Authentic, Factory-Sealed Components At PLCVERSE, every item we offer is guaranteed to be brand-new, original, and delivered in its factory-sealed packaging. Our parts are sourced with strict quality control to ensure you receive genuine automation components that meet top industry reliability and performance standards.

Warranty

1-Year Warranty Coverage Every new product purchased from PLCVERSE includes a full 1-year warranty. We stand behind the quality and durability of our automation components, providing protection against manufacturing defects under normal use. Our commitment is to ensure you receive dependable, high-performance parts with complete peace of mind.

Disclaimer

PLCVERSE is an independent seller of industrial automation equipment. We are not an authorized distributor, partner, or representative of any of the manufacturers featured on this website. All brand names, trademarks, and logos remain the property of their respective owners. PLCVERSE has no association or endorsement from ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other brands mentioned.
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