Description
Introduction
ABB US/U4.3 is a KNX System Components product from ABB for professional building-automation projects. It is identified by SKU US/U4.3 and belongs to the KNX System Components category on knxbazzar.com. Explore more ABB KNX products for professional building automation projects.

Based on the available product data, ABB US/U4.3 is a flush mounted modular component supplied as a complete device. It is described for KNX (TP), has 4 inputs and 4 outputs, includes LED controlling as its sub-function, and is documented by ABB installation, operating, wiring, dimensional, technical, EPLAN, declaration, and compliance resources. Installers and system integrators can review our dealer and project support options.
Key Features
- Brand: ABB
- SKU / model: US/U4.3
- Category: KNX System Components
- Compatible bus system listed: KNX (TP)
- Number of inputs: 4; number of outputs: 4
- Number of input channels: 4; number of output channels: 4
- Sub-function: LED controlling
- Mounting type: flush mounted modular components
Benefits
- Clear project identification: the ABB brand and SKU US/U4.3 help consultants, buyers, and installers match the exact item in BOQs, quotations, and procurement lists.
- KNX project relevance: the product data identifies compatible bus system KNX (TP) and product range KNX.
- Defined I/O count: the available data lists 4 inputs, 4 outputs, 4 input channels, and 4 output channels.
- Flush mounted modular format: the mounting type is specified as flush mounted modular components, supporting accurate planning against the official ABB documentation.
- Documentation support: the product record references installation and operating instructions, wiring connection diagram, dimensional drawing, technical data, EPLAN data, environmental product declaration, RoHS information, REACH declaration, and CE & RoHS declaration of conformity.
- Procurement traceability: the product data includes the old replaced product ID GHQ6310070R0111 and E-Numbers for Finland, Norway, Sweden, and Switzerland, helping teams avoid substitution errors where those identifiers are used.
Technical Specifications
Applications
- Use in KNX building-automation project schedules where the exact ABB US/U4.3 SKU is specified.
- Suitable for procurement workflows that require matching a KNX System Components item against ABB official documentation and diagrams.
- Relevant for integrators and installers coordinating flush mounted KNX components within approved project documentation.
- Applicable to tender and BOQ review when 4 inputs, 4 outputs, and KNX (TP) are explicitly required by the project specification.
Installation Notes
- Verify the exact model ABB US/U4.3 and SKU US/U4.3 before ordering, especially when replacing or comparing against the old product ID GHQ6310070R0111.
- Use the official ABB installation and operating instructions, wiring connection diagram, dimensional drawing, and technical data sheet referenced in the product data before installation or commissioning.
- Confirm project requirements against the stated mounting type, dimensions, degree of protection, input/output channel counts, and KNX (TP) compatibility listed for this product.
- Do not substitute with a similar ABB item unless the BOQ, consultant approval, and official manufacturer documentation confirm equivalence.
Developer Resources
- Manufacturer product page: https://new.abb.com/products/2CDG110309R0011/us-u4-3
- Installation and Operating Instructions: referenced as PDF for US/Ux.3
- Wiring Diagram: referenced as Connection diagram Input EPS for US/U 4.3 diagram
- Technical Data Sheet / Technical Information: referenced as Technical Data PDF for US/U x.3
- Dimension Diagram: referenced as Dimensional Drawing EPS for US/U X.3 diagram
- Engineering EPLAN Data: referenced as EPLAN EDZ for US/U4.3
- Declaration of Conformity: referenced as CE & RoHS Declaration of Conformity PDF for US/Ux.3
- EU Data Act Compliance Declaration: referenced as EU Data Act Information Notice XLSX for KNX Building Automation Portfolio
FAQ
What is the SKU of this ABB product?
The SKU is US/U4.3.
Which bus system is listed for ABB US/U4.3?
The product data lists KNX (TP) as the compatible bus system.
How many inputs and outputs are listed for ABB US/U4.3?
The available product data lists 4 inputs and 4 outputs, with 4 input channels and 4 output channels.
What mounting type is stated for ABB US/U4.3?
The mounting type is listed as flush mounted modular components.
What should buyers verify before ordering?
Buyers should verify the exact ABB brand, model/SKU US/U4.3, BOQ line item, official ABB documentation, and project requirements to avoid ordering the wrong KNX component.
What is the exact product model?
The order/model code for this page is US/U4.3. Match it against project documents before purchase.
Conclusion
ABB US/U4.3 is a documented ABB KNX System Components item with KNX (TP), 4 inputs, 4 outputs, flush mounted modular component mounting, IP20 degree of protection, and referenced ABB technical and compliance documents.
For accurate B2B procurement, match the exact SKU US/U4.3 against the BOQ and official ABB resources before purchase or project substitution.








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