Siemens Auxiliary Contact 1 Contact 1 NO Snap-On 10 A 690 V 3RH1921-2CA10

Siemens 3RH1921-2CA10 Auxiliary Contact is a high-quality electrical component designed for automation, control gear, and industrial applications requiring reliable auxiliary switching capabilities. Featuring a single contact with a normally open (1 NO) configuration, this auxiliary contact is ideal for front mounting and snap-on attachment in various electrical control assemblies.

With a rated operational current of 10 A and a contact voltage rating of 690 V, it provides robust performance suitable for demanding environments. It includes a cage clamp terminal type that ensures secure and stable electrical connections. The component withstands a mechanical durability of up to 10 million cycles, facilitating long-term usage with minimal maintenance.

Its operational temperature range from -25°C to 60°C makes it suitable for diverse industrial settings, including manufacturing, HVAC systems, electrical automation, and power distribution setups. The product conforms to international standards IEC 60947-5-1 and IEC 60947-4-1, confirming its adherence to electrical safety and functional reliability benchmarks.

Designed as part of the 3RH19 range, Size 0, it is compatible with corresponding Siemens contactors and switches, offering seamless integration and ease of installation. The snap-on mounting mechanism enables quick and secure attachment, enhancing installation efficiency in industrial control panels and automation systems.

Designed for front mounting in automation and control systems. Operates at contact voltage of 690 V with rated insulation voltage of 690 V. Mechanical durability up to 10 million cycles ensures long operational life. Operational temperature range from -25°C to 60°C for versatile industrial environments.

Complies with IEC 60947-5-1 and IEC 60947-4-1 standards for electrical safety and performance. Compact Size 0 suitable for integration with 3RH1 series contactors. Contact configuration 1 pole and throw 1 (1P) offers simple switching capability.

Manufactured in Czech Republic ensuring quality and reliability.

This Siemens Auxiliary Contact is a trusted solution for industrial automation, electrical control gear, manufacturing equipment, and power distribution applications. It supports enhanced control precision and operational safety. For more Siemens automation and control gear products, explore the dedicated EnvMart category.