Siemens 3RH1921-1DA11

Siemens 3RH1921-1DA11 | Auxiliary Contact Block

Overview:

The Siemens 3RH1921-1DA11 is an auxiliary contact block designed to expand the functionality of industrial contactors and relays. It features 1 normally open (NO) and 1 normally closed (NC) contact, providing reliable signal switching in control circuits. With a 24V DC operating voltage, this module is ideal for use in automation systems, motor controls, and industrial machinery applications.

Key Features:

• 1 Normally Open (NO) + 1 Normally Closed (NC) Contact – Ensures versatile control and signaling
• 24V DC Operating Voltage – Compatible with standard industrial control systems
• Clip-On Design – Easy installation on Siemens 3RH and 3RT contactors
• Reliable Electrical Performance – Ensures long-term operational stability
• Compact and Space-Saving – Optimized for control panels and automation enclosures
• IEC and UL Compliant – Meets 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 long-term switching operations
• Terminal Type: Screw connection
• Operating Temperature: -25°C to +60°C
• Protection Rating: IP20

Applications:

• Expansion 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 enhances control 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 reliable solution for industrial automation needs.

Order Now and optimize your control system with Siemens' trusted auxiliary contact solutions.

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply