The 3rh2911-1fa22 Datasheet is a technical document providing comprehensive information about a specific auxiliary contact block, primarily used with Siemens contactors and contactor relays. This datasheet is crucial for engineers, technicians, and anyone involved in designing, installing, or maintaining electrical control systems. Understanding the information within the 3rh2911-1fa22 Datasheet ensures proper application and reliable performance of the component.
Decoding the 3rh2911-1fa22 Datasheet
The 3rh2911-1fa22 datasheet serves as the definitive guide to this specific auxiliary contact block. It details the electrical characteristics, mechanical specifications, and operational parameters necessary for its effective integration into a control circuit. It’s more than just a product overview; it’s a detailed technical manual that outlines its capabilities and limitations. It is absolutely essential to consult the datasheet before using this component to guarantee compatibility and prevent potential issues. The datasheet provides details such as:
- Rated operational voltage
- Rated operational current
- Contact configuration (e.g., number of normally open and normally closed contacts)
- Connection diagrams
Auxiliary contact blocks, like the 3rh2911-1fa22, are used to expand the functionality of contactors and contactor relays. They provide additional contacts that can be used for signaling, interlocking, or control functions. Imagine a motor starting circuit. The main contactor switches the power to the motor, but an auxiliary contact (provided by a block like the 3rh2911-1fa22) can simultaneously signal to a PLC that the motor has started. This allows for complex automated processes. They frequently come in various configurations, as described below.
- Side-mounted auxiliary contacts
- Front-mounted auxiliary contacts
- Combinations of both
By providing precise specifications like those listed above, the 3rh2911-1fa22 datasheet empowers users to make informed decisions about its suitability for a given application. The datasheet will usually include the part number, manufacturer, and any relevant approvals or certifications. The information provided in the datasheet is invaluable for selecting the correct components and ensuring the safe and reliable operation of electrical control systems. Here’s a simplified table illustrating the type of information usually found in a datasheet:
| Parameter | Value (Example) |
|---|---|
| Rated Voltage | 690V AC |
| Rated Current | 10A |
| Contact Type | 2NO + 2NC |
For the most accurate and up-to-date information on the 3rh2911-1fa22, it’s crucial to consult the official Siemens datasheet. Accessing this datasheet ensures you have the correct specifications and application guidelines, leading to optimal performance and safety.