
Siemens 6AV7674-1LA51-0AA0 Extension Unit Details
This extension unit provides hardwired mounting for operator controls on IP65-enclosed HMI devices. It supports flexible installation with ten distinct mounting positions for various control interfaces.
Quick Facts
- Part number
- 6AV7674-1LA51-0AA0
- Brand
- Siemens
- Category
- HMI Panels
- Product type
- Extension Units and operator controls
- Lifecycle
- Active Product
- Dimensions
- 56.00 x 11.5 x 11.00 cm
- Net weight
- 2.595 Kg
- Source category
- Extension Units and operator controls
Product Overview
The Siemens 6AV7674-1LA51-0AA0 serves as a dedicated extension unit designed specifically for 19-inch hardwired configurations. It integrates seamlessly with fully IP65-enclosed HMI and IPC devices to expand operational capabilities. Review Siemens 6AV7674-1LA51-0AA0 as Extension Units and operator controls with source category Extension Units and operator controls, recorded lifecycle Active Product, and submitted model identity.
Engineered for flexible installation, this component offers ten mounting positions to accommodate up to eight operator controls plus one emergency stop switch. The design ensures robust connectivity without requiring additional equipment for the connection itself.
Technical Review Notes
- Designed for 19-inch hardwired mounting on fully IP65-enclosed HMI and IPC devices. Keep dimensions 56.00 x 11.5 x 11.00 cm and net weight 2.595 Kg unchanged while comparing project documents and product image evidence.
- Provides ten mounting positions for flexible installation of various operator control interfaces.
- Supports configuration with a maximum of eight operator controls alongside one emergency stop switch.
- Utilizes a hardwired connection method that operates without requiring additional equipment for setup.
- Recorded under the product class A standard, indicating it is a catalog record item eligible for review.
- Features physical dimensions of 56.00 x 11.5 x 11.00 cm with a net weight of 2.595 Kg.
Model Identification
- Identified by the part number 6AV7674-1LA51-0AA0 within the Siemens industrial automation portfolio. 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.
- Categorized under Extension Units and operator controls for precise classification in technical documentation.
- Listed as an Active Product, confirming its current status in the manufacturer's lineup.
- Source parameter review indicates alignment with PROtected devices and system components standards.
Technical Parameters
| Product type | Extension Units and operator controls |
|---|---|
| Lifecycle | Active Product |
| Dimensions | 56.00 x 11.5 x 11.00 cm |
| Net weight | 2.595 Kg |
| Source category | Extension Units and operator controls |
Parameters are factual source fields retained for model review.
Parameter Review
- Physical dimensions are recorded as 56.00 x 11.5 x 11.00 cm for spatial planning. Check product-owned images, label text, connector area, and submitted model references against the exact 6AV7674-1LA51-0AA0 record before publication.
- Net weight is listed at 2.595 Kg, aiding in load-bearing calculations for installations.
- The product class is defined as A, representing a standard product with specific review guidelines.
- Lifecycle status is confirmed as Active Product, ensuring ongoing support and documentation review details.
- Mounting capacity allows for ten positions, supporting up to eight controls and one emergency stop.
Catalog Classification
Image & Label Review
- Visual inspection should confirm the 19-inch form factor listed for standard rack mounting.
- Check for the presence of ten distinct mounting positions as specified in the technical data.
- Verify the hardwired connection interface points for integration with existing IP65-enclosed HMI systems.
- Ensure labeling matches the part number 6AV7674-1LA51-0AA0 for accurate inventory and identification purposes.
Product Image Gallery

Inquiry Preparation
- Review project documents to confirm the need for ten mounting positions for operator controls.
- Verify that the target HMI/IPC devices are fully IP65-enclosed and support 19-inch hardwired units.
- Assess whether the configuration requires up to eight operator controls plus one emergency stop switch.
- Prepare technical specifications including dimensions and weight for logistical planning and installation requirements.
Category Context
This unit falls under the Extension Units and operator controls category for industrial automation.
It is classified within PROtected devices and system components for enhanced environmental resilience.
Review Notes
- Confirm the active product status before proceeding with detailed technical evaluation and sourcing.
- Cross-reference the part number 6AV7674-1LA51-0AA0 with internal project requirements for accuracy.
- Evaluate the physical dimensions and weight against recorded space in the control cabinet design.
- Ensure compliance with review guidelines associated with product class A for standard items.



