Description
O bnkm,l;.’]
\][mjhuytroverview
The Auxiliary Add-On Contactor – 3RH1911-1FA22 from Siemens is designed to efficiently monitor motor contactors. It automatically signals external control devices, enabling rapid diagnosis. This unit snaps onto the front of compatible contactors for fast and easy installation.
Performance & Reliability
Designed for demanding industrial environments, this auxiliary contact block ensures precise monitoring of 3RT2 series contactors, relays, and power contactors. Its long mechanical service life of 10 million switching cycles guarantees durable, consistent performance. The 6 kV surge voltage resistance further enhances electrical safety in high-load systems.
Installation & Connectivity
The 3RH1911-1FA22 features screw terminals, providing secure and reliable connections. Its snap-on design simplifies setup, while the compact form factor integrates seamlessly into existing motor control systems. Broad operating temperatures from -25°C to +60°C allow use in a wide range of industrial and HVAC environments.
Applications
Ideal for HVAC systems, manufacturing, and industrial motor setups, this auxiliary contact block monitors motor operation and signals processes accurately. It enables preventive maintenance, early fault detection, and efficient integration of control systems.
Technical Highlights
-
Snap-on design for quick installation
-
Compatible with 3RT2 series contactors, relays, and power contactors
-
Long mechanical service life: 10 million switching cycles
-
Operating temperature range: -25°C to +60°C
-
Current rating: 10A with low power consumption
-
Surge voltage resistance: 6 kV
Conclusion
The Auxiliary Add-On Contactor – 3RH1911-1FA22 ensures reliable monitoring and signalling in critical motor control applications. Noordvyk Industries supplies this part and a wide range of Siemens components, positioning us as your trusted industrial spare parts partner.
There are no reviews yet.