Products Name: Siemens 3RH1911-1FA22 Central control module
PRODUCT DESCRIPTION
Product Description
The Siemens 3RH1911-1FA22 is an auxiliary switch block designed for use with Siemens contactors and motor starters. It provides additional electrical contacts that can be used for various control and signaling
functions within an electrical control system. These auxiliary contacts are often used to monitor the status of the main contactor or to create interlocking circuits.
Key Features and Specifications
Contact Configuration: 2 Normally Open (NO) and 2 Normally Closed (NC) contacts
Terminal Type:Screw terminals
Mounting:DIN rail or panel mounting
Operating Voltage: Suitable for a wide range of AC and DC voltages
Switching Capacity: Rated for specific switching currents and voltages (refer to the datasheet for exact values)
Mechanical Life: A high number of switching cycles
Electrical Life: A long electrical life for reliable operation
Advantages
Versatility: Can be used for a variety of applications, including motor control, interlocking, and signaling.
Reliability: Designed for long-term, trouble-free operation in demanding industrial environments.
Easy Installation: Simple to mount and wire.
Compatibility: Compatible with a wide range of Siemens contactors and motor starters.
Safety: Designed to meet relevant safety standards.
Precautions
Installation: Ensure correct polarity and tight connections when wiring the auxiliary switch block.
Environment: Avoid exposure to excessive heat, cold, or humidity.
Overload: Do not exceed the rated current and voltage.
Maintenance: Periodic inspection and maintenance are recommended.
Applications
Motor Control: Monitoring the status of a motor starter.
Interlocking: Creating safety interlocks to prevent unauthorized access or operation.
Signaling: Providing signals for control systems or indicating equipment status.
Automation: Used in various automation applications, such as machine control and process automation.
Important Note: Product Discontinuation
Please note that the Siemens 3RH1911-1FA22 is a discontinued product. Siemens recommends using the successor, 3RH2911-1FA22, for new projects. The newer model offers similar functionality and
improved features.
Conclusion
The Siemens 3RH1911-1FA22 auxiliary switch block is a valuable component in industrial control systems. While it is no longer in production, it remains a reliable choice for many existing installations. For new
projects, it is recommended to use the successor, 3RH2911-1FA22.
If you have any further questions or require more specific information, please feel free to ask.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapor
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
