Siemens Auxiliary Contact, 1 Contact, 1 NC, Snap-On Mount, Screw Terminal, 1A Contact Current, 3RH1921-1CA01

Siemens 3RH1921-1CA01 Auxiliary Contact is engineered as a dependable companion for motor control units and contactor systems. It features a single normally closed (NC) contact designed to enhance safety and functional control within automation and electrical circuits.

The device incorporates a snap-on mount type which facilitates rapid and secure installation onto compatible contactors. Its screw-type terminals provide robust wiring connections that withstand operational vibration and mechanical stress.

This auxiliary contact is rated for a contact current of 1A and supports an operational current of up to 6A, making it suitable for medium-current applications and signal control tasks in industrial settings.

Its thermoplastic housing assures excellent insulation and impact resistance, protecting both the unit and the user from electrical hazards during operation. Designed to operate in extreme conditions, it withstands temperatures ranging from -55°C to 80°C, accommodating demanding industrial and manufacturing environments.

With a mechanical durability rating of 10 million operation cycles, the 3RH1921-1CA01 ensures long-lasting performance, reducing maintenance and replacement needs.

The Auxiliary Contact is rated for a high insulation voltage of up to 690V and meets stringent DIN EN 50005 certification standards, confirming its compliance with recognized safety and quality requirements.

This component is commonly used in industrial automation, manufacturing plants, conveyor belt systems, and compressor controls for reliable signal switching and operational feedback.

Features a snap-on mount type for easy installation and secure attachment. Equipped with screw terminals for efficient and durable wiring connections. Rated for a contact current of 1A, suitable for control circuits. Supports operational current up to 6A for broader usage scenarios.

Constructed with thermoplastic housing offering impact resistance and electrical insulation. Operates reliably within a temperature range of -55°C to 80°C for use in various environments. Mechanical durability rated at 10 million cycles ensuring long service life.

Rated insulation voltage up to 690V consistent with industrial standards. Complies with DIN EN 50005 standards guaranteeing quality and safety. Browse EnvMart's comprehensive catalog to find more Siemens automation and control gear products suitable for your industrial and electrical requirements.