Siemens 3RH1122-1BB40 Contactor Relay with 3RH1911-1FA40 Auxiliary Contact Block
The Siemens 3RH1122-1BB40 is a versatile 4-pole contactor relay designed for reliable control in various industrial applications. It features two normally open (NO) and two normally closed (NC) contacts, operated by a 24V DC coil. This configuration allows for flexible integration into control circuits, ensuring efficient operation.
Key Features of 3RH1122-1BB40
- Contact Configuration: 2 NO + 2 NC contacts, providing versatile control options.
- Coil Voltage: Operates with a 24V DC coil, suitable for standard control systems.
- Terminal Type: Equipped with screw terminals for secure and straightforward wiring.
- Design: Compact size S00, facilitating easy integration into control panels.
- Compliance: Meets IEC 60947-5-1 standards, ensuring high-quality performance.
Enhancing Functionality with 3RH1911-1FA40 Auxiliary Contact Block
To expand the capabilities of the 3RH1122-1BB40 contactor relay, the Siemens 3RH1911-1FA40 auxiliary contact block can be seamlessly integrated. This auxiliary block adds four normally open (NO) contacts, enhancing the relay’s functionality.
Key Features of 3RH1911-1FA40
- Contact Configuration: 4 NO contacts, providing additional control points.
- Mounting: Front-mounted design allows for easy attachment to the contactor relay.
- Terminal Type: Screw terminals ensure secure and reliable connections.
- Compatibility: Designed for use with Siemens S00 size contactors, including models 3RT1015, 3RT1016, and 3RT1017.
Applications
The combination of the 3RH1122-1BB40 contactor relay and the 3RH1911-1FA40 auxiliary contact block is ideal for applications requiring multiple control points and reliable switching capabilities. Common uses include:
- Industrial automation systems
- Motor control circuits
- Lighting control
- Heating and ventilation systems
By integrating these components, users can achieve enhanced control and flexibility in their electrical systems, ensuring efficient and reliable operation across various industrial applications.
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