The Siemens 3RH2911-1XA31-0MA0 is a meticulously engineered auxiliary switch block designed to offer reliable and efficient performance in a variety of industrial applications. This switch block features a front-mounted design with three normally open (NO) and one normally closed (NC) contact configurations, providing versatility for integration into numerous control systems.
Crafted for compatibility with both contactor relays and power contactors, this auxiliary switch block is part of the esteemed SIRIUS product line, known for its robustness and quality. The switch block is equipped with screw terminals for secure and straightforward wiring, adhering to the DIN EN 50011 standard.
With an IP20 protection class rating on the front, the switch block ensures a degree of protection against solid objects, making it suitable for use in environments where equipment needs to be guarded against touch by fingers or objects. It is designed to withstand a wide range of ambient temperatures, from as low as -55°C during storage to up to +60°C during operation, ensuring consistent performance even in demanding conditions.
The Siemens 3RH2911-1XA31-0MA0 boasts an impressive mechanical operating life of typically 10 million cycles and an electrical operating life of 200,000 cycles at AC-15 at 230V, highlighting its durability and long-term reliability. The contact reliability is exceptional, with only one faulty switching operation expected out of 100 million, ensuring that your operations run smoothly with minimal downtime.
This auxiliary switch block is also characterised by its compact dimensions, allowing for efficient use of space within control cabinets. The snap-on mounting design facilitates easy installation and maintenance, making it a convenient choice for system integrators and maintenance personnel.
Overall, the Siemens 3RH2911-1XA31-0MA0 auxiliary switch block is a high-quality component that offers reliability, durability, and ease of use, making it an excellent choice for enhancing the functionality and efficiency of your industrial control systems.