Siemens Auxiliary Contact 1 Contact 1 NC Snap-On Mount 10A 250V dc 690V ac 3RH2911-1BA01

Siemens 3RH2911-1BA01 auxiliary contact is engineered for precise switching in industrial automation and control gear applications. Featuring a single contact and normally closed (1 NC) configuration, it fits seamlessly in the Siemens 3RH2 series contactors, providing reliable auxiliary functions such as signaling and interlocking.

The Snap-On mount design allows fast and secure attachment to compatible contactors, facilitating efficient maintenance and upgrades without additional hardware. Rated for a contact current of 10 amperes and capable of handling voltages of 250V dc and 690V ac, this auxiliary contact is suitable for a wide range of electrical control scenarios.

Constructed to endure up to 10 million mechanical cycles, it assures long-term durability and consistent performance in demanding industrial environments. It operates efficiently across temperatures ranging from -25°C to 60°C, making it adaptable to diverse climatic conditions encountered in manufacturing, HVAC, water treatment, and electrical automation sectors.

The screw terminal type guarantees robust and stable electrical connections, minimizing the risk of contact failure due to vibration or environmental factors. Compliance with IEC 60947-4-1 and IEC 60947-5-1 standards ensures this product meets stringent international safety and performance criteria.

Auxiliary contacts like the Siemens 3RH2911-1BA01 are integral components in control panels, used for monitoring contactor status, interlocking, signaling, and enhancing the flexibility of control circuits. Its compact design and standardized mounting make it an ideal choice for upgrading or expanding existing Siemens contactor setups in industrial automation, manufacturing, and electrical control applications.

Easy Snap-On mounting ensures quick installation and replacement. Rated for 10A contact current supporting robust electric loads. Suitable for 250V dc and 690V ac contact voltage applications. Designed for high mechanical durability with 10 million operational cycles.

Operates reliably between -25°C and 60°C temperature range. Equipped with screw-type terminals for secure electrical connections. Complies with IEC 60947-4-1 and IEC 60947-5-1 standards for quality and safety. SPST pole and throw configuration simplifies circuit design and control.

This Auxiliary Contact is manufactured in the Czech Republic, guaranteeing European quality standards. It is suited for industrial automation systems, electrical control panels, HVAC systems, manufacturing equipment, and water treatment plants. Explore the Siemens range in Automation & Control Gear at EnvMart for comprehensive industrial solutions.