The Siemens 3RH1921-1DA11 is a high-performance auxiliary switch module designed for monitoring state changes in contactors. The product is suitable for Siemens' 3RH series contactors and provides users with a reliable way to detect and report on contactor action.
Model: 3RH1921-1DA11
Brand: Siemens
Size: 8.5*7.5*2cm
Weight: 0.5kg
Country of origin: Germany
Rated current: 360V
Rated voltage: 300w
3C Rated voltage range: 36V-AC 1000V
Product Series: 3RH11
Contact load: open circuit voltage
Contact switching current: 470v
Contact switching voltage: 300w
The Siemens 3RH1921-1DA11 is a high-performance auxiliary switch module designed for monitoring state changes in contactors. The product is suitable for Siemens' 3RH series contactors and provides users with a reliable way to detect and report on contactor action. With 1 normally open contact and 1 normally closed contact, it can meet the needs of various electrical control systems.
The bolt-type terminal connection ensures a solid electrical connection, as well as easy installation and maintenance. Its compact design, simple appearance and moderate size make it easy to install in a variety of control panels.
In addition to providing a reliable electrical connection and easy installation, the 3RH1921-1DA11 offers excellent durability and stability. It has a surge voltage resistance of 6kV, which can resist current overload and sudden voltage fluctuations to ensure stable operation of the system. At the same time, the product operates in a wide temperature range from -25°C to +60°C, adapting to a variety of harsh environmental conditions, ensuring reliability and stability.
In terms of operation, the auxiliary switch module responds quickly and acts reliably. It can accurately monitor the action state of the contactor and send signals to the control system in time to achieve effective monitoring and control of the electrical system.
Overall, the Siemens 3RH1921-1DA11 auxiliary switch module is a powerful, stable and easy to install product for a variety of industrial control systems, providing users with a reliable contactor monitoring solution.
