
Siemens 6AV7674-1LA53-0AA0 Extension Unit
This 19-inch extension unit supports PROFIsafe communication for industrial automation environments. It provides flexible mounting options for control elements on fully enclosed HMI devices.
Quick Facts
- Part number
- 6AV7674-1LA53-0AA0
- Brand
- Siemens
- Category
- HMI Panels
- Product type
- Extension Units and operator controls
- Lifecycle
- Active Product
- Dimensions
- 56.00 x 11.1 x 11.1 cm
- Net weight
- 2.6 Kg
- Source category
- Extension Units and operator controls
Product Overview
The Siemens 6AV7674-1LA53-0AA0 serves as a specialized extension unit designed for integration with IP65 fully enclosed HMI and IPC devices. This component facilitates robust operational control in demanding industrial settings. Review Siemens 6AV7674-1LA53-0AA0 as Extension Units and operator controls with source category Extension Units and operator controls, recorded lifecycle Active Product, and submitted model identity.
Engineered for flexibility, this unit allows for the configuration of various control elements across ten dedicated mounting positions. It ensures seamless connectivity through PROFIsafe technology for enhanced safety protocols.
Technical Review Notes
- Physical dimensions are recorded as 56.00 x 11.1 x 11.1 cm for precise spatial planning in control cabinets. Keep dimensions 56.00 x 11.1 x 11.1 cm and net weight 2.6 Kg unchanged while comparing project documents and product image evidence.
- The net weight is listed at 2.6 Kg, aiding in structural load calculations during installation phases.
- PROFIsafe application context enables secure communication channels between the extension unit and connected safety controllers effectively.
- Ten distinct mounting positions are provided to accommodate up to ten separate control elements as needed.
- Control elements themselves are request separately, allowing for customized interface configurations based on specific operational requirements.
- The unit is designed to integrate with all IP65 fully enclosed 16:9 HMI and IPC device series.
Model Identification
- Brand designation is clearly marked as Siemens for accurate inquiry team identification and documentation purposes. Use the source path PROtected devices and system components / Extension Units and operator controls to confirm catalog context, model family, parameter review scope, and technical inquiry preparation notes.
- Product type is classified under Extension Units and operator controls within the broader automation portfolio structure.
- Lifecycle status is indicated as Active Product, suggesting current relevance for new project specifications.
- Source category path includes Protected devices and system components for hierarchical classification in databases.
Technical Parameters
| Product type | Extension Units and operator controls |
|---|---|
| Lifecycle | Active Product |
| Dimensions | 56.00 x 11.1 x 11.1 cm |
| Net weight | 2.6 Kg |
| Source category | Extension Units and operator controls |
Parameters are factual source fields retained for model review.
Parameter Review
- Review the submitted model number 6AV7674-1LA53-0AA0 against project technical specifications for alignment verification.
- Verify that the 19-inch form factor matches the physical constraints of the intended HMI enclosure setup.
- Confirm that PROFIsafe requirements align with existing safety infrastructure and controller capabilities in the facility.
- Check that the ten mounting positions suffice for the planned control element layout and density.
- Ensure that separate request of control elements fits within the inquiry preparation timeline and budget constraints.
Catalog Classification
Image & Label Review
- Images should display the front panel showing the ten mounting slots for clear visual reference.
- Side views may illustrate the depth and profile relative to standard 19-inch rack equipment dimensions.
- Labeling details on the unit housing should be visible for part number confirmation during inspection.
- Installation diagrams might depict how the unit attaches to IP65 enclosed HMI devices securely.
Product Image Gallery

Inquiry Preparation
- Prepare project documentation specifying the required control elements to be installed in the ten positions.
- Gather technical drawings of the target IP65 HMI device to verify physical integration application context.
- Define PROFIsafe network parameters and safety levels required for the specific application environment.
- List any additional accessories or mounting hardware needed for the complete installation process.
Category Context
This product falls under the HMI Panels category, focusing on human-machine interface extensions.
It belongs to the Extension Units and operator controls segment for advanced automation setups.
Review Notes
- Cross-reference the part number with internal inventory systems to ensure accurate data entry.
- Validate the lifecycle status to confirm ongoing support and documentation review details for the unit.
- Check dimensional constraints against cabinet space limitations to prevent installation conflicts later.
- Confirm that the weight specification is accounted for in the overall structural design plan.



