3RH2921-1DA02

Overview of Siemens 3RH2921-1DA02

Buy genuine Siemens 3RH2921-1DA02 auxiliary switch block online for your automation system. This high-quality side-mounted auxiliary switch is designed for use with Siemens SIRIUS contactors, including sizes S00, S0, and S2. The Siemens 3RH2921-1DA02 features two normally closed (N.C.) contacts and screw terminals for secure wiring. It is ideal for industrial environments where reliable switching and easy installation are essential. Whether you are upgrading your control panel or replacing a worn component, this auxiliary switch delivers dependable performance and long service life. The compact design allows for efficient space utilization, and its compatibility with a wide range of Siemens contactors makes it a versatile choice for various automation applications. For those seeking a trusted solution for auxiliary switching, the Siemens 3RH2921-1DA02 is a top pick in the industry.

Key Features of Siemens 3RH2921-1DA02

• Two normally closed (N.C.) contacts for reliable switching
• Side-mounted design for easy installation on Siemens SIRIUS contactors
• Screw terminals ensure secure and stable connections
• Compatible with S00, S0, and S2 contactor sizes
• Rated for 690 V AC / 600 V DC, 10 A (AC-12), 6 A (AC-14/AC-15)
• High mechanical life: 10,000,000 cycles
• Robust construction for industrial environments
• Compact size for efficient panel space utilization

Technical Specs of 3RH2921-1DA02

Explore Siemens 3RH2921-1DA02 technical data for detailed parameters before installation.

Applications / Use Case

This Siemens 3RH2921-1DA02 is commonly used in industrial automation worldwide. It is ideal for control panels, machine automation, and process control systems where reliable auxiliary switching is required. The switch is frequently found in factory control panels, production line systems, and packaging and conveyor operations. Its compatibility with Siemens SIRIUS contactors makes it a go-to solution for engineers and technicians looking to enhance the functionality and safety of their automation setups. Whether you need to monitor contactor status or add additional control logic, the Siemens 3RH2921-1DA02 delivers consistent performance in demanding environments.

Price & Availability

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