Siemens Auxiliary Contact 2 Contact 1 NO/1 NC SIRIUS Innovation Snap-On 10 A 250 V dc 690 V ac 3RH2911-2FB11

Siemens 3RH2911-2FB11 auxiliary contact is a high-quality industrial automation component designed for control circuits requiring reliable contact switching. Featuring 2 contacts configured as 1 normally open (NO) and 1 normally closed (NC), this auxiliary contact supports contact currents up to 10 A, suitable for medium power applications.

The device employs a snap-on mount type for quick and secure attachment to Siemens contactors within the SIRIUS Innovation series. It uses cage clamp terminals to ensure optimal electrical connection stability and ease of wiring.

Rated operational voltages include 250 V dc and 690 V ac along with a rated insulation voltage of 690 V, making it capable of operating under diverse electrical environments. The DPST (double pole single throw) configuration provides dual switching functionality in compact form.

Designed for robust use, it offers mechanical durability rated at 10 million mechanical cycles, suitable for demanding industrial and manufacturing settings. The operating temperature range spans from -25°C to 60°C, enabling operation in varied climatic and environmental conditions. Mounting is intended on the front side, providing easy installation and maintenance access.

Manufactured in the Czech Republic, this auxiliary contact complies with Siemens’ strict quality standards, although it possesses no additional certifications listed. The product is ideal for automation, electrical control systems, HVAC, and industrial machines.

Key features include dual contacts with mixed NO/NC configuration, snap-on mount, and cage clamp terminals for secure connectivity. Its compact design and high durability suit commercial and industrial automation needs.

The device supports a contact current of 10 A ensuring efficient electrical load handling. It features a snap-on mount type simplifying installation on Siemens contactors. Rated for contact voltages of 250 V dc and 690 V ac for versatile usage.

Constructed for mechanical durability up to 10 million cycles for long operational life. Including cage clamp terminal for secure and reliable wiring connections. Designed with DPST pole and throw configuration for dual pole switching.

Operating temperature range from -25°C to 60°C allows wide environmental adaptability. Front side mounting location for easy accessibility in control panels. Manufactured in Czech Republic ensuring quality and compliance with industrial standards.

SIRIUS Innovation series emphasizes advanced auxiliary contact technology. Explore more Siemens automation and control gear products at EnvMart for reliable industrial solutions.

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