Description
Introduction
The ABB DR/S4.1 is a KNX system component identified by ABB as DR/S4.1 Choke, MDRC. It is designed for decoupling the bus line from the power supply in ABB i-bus® installations and is listed under KNX System Components.
For consultants, installers, integrators, and procurement teams, the DR/S4.1 provides a clearly defined ABB KNX choke option with Extended Product Type DR/S 4.1 and Product ID 2CDG110029R0011. Connection to ABB i-bus® is via Bus Connection Terminal, and no Data Rail is required.
Key Features
- Brand: ABB.
- SKU: DR/S4.1.
- Extended Product Type: DR/S 4.1.
- Display Name: DR/S 4.1.
- Catalog Description: DR/S4.1 Choke, MDRC.
- Compatible Bus Systems: KNX (TP).
- Degree of Protection: IP20.
- Manual Operation: No.
Benefits
- Supports decoupling of the bus line from the power supply in KNX installations.
- Includes a reset switch for isolating the bus voltage and resetting bus devices connected to the line.
- Connects to ABB i-bus® via Bus Connection Terminal.
- No Data Rail is required, simplifying product matching where this mounting and connection approach is specified.
- Documented by ABB with Instructions and Manuals reference GHQ6307090P0002.
- Identified with ABB Product ID 2CDG110029R0011 and EAN 4016779587556 for precise procurement.
Technical Specifications
Applications
- KNX system component use where a bus line must be decoupled from the power supply.
- ABB i-bus® installations requiring connection via Bus Connection Terminal.
- Projects specifying an MDRC KNX choke with product identification DR/S 4.1 or 2CDG110029R0011.
- Procurement and replacement scenarios where the BOQ references ABB DR/S4.1, DR/S 4.1, or EAN 4016779587556.
Installation Notes
- Use the ABB Instructions and Manuals reference GHQ6307090P0002 before installation, commissioning, or replacement.
- Connection to ABB i-bus® is via Bus Connection Terminal.
- No Data Rail is required for this device.
- The device includes a reset switch for isolating the bus voltage and resetting the bus devices connected to this line.
- Verify that the specified device is ABB DR/S4.1 / DR/S 4.1 with Product ID 2CDG110029R0011 before ordering or installing.
Developer Resources
- Manufacturer URL: https://new.abb.com/products/en/2CDG110029R0011/dr-s-4-1
- Instructions and Manuals: GHQ6307090P0002
- Declaration of Conformity – CE: 2CDK501010D2701
- EPLAN Data: 9AAC189144_EPLAN
- ETIM 9: EC000700 – Band suppressor/choke for bus system
- ETIM 10: EC000700 – Band suppressor/choke for bus system
- KNXbazzar ABB products: https://knxbazzar.com/knxshop/?brand=abb
- KNX System Components category: https://knxbazzar.com/product-category/knx-system-components/
FAQ
What is the ABB DR/S4.1 used for?
The ABB DR/S4.1 is used for decoupling the bus line from the power supply in KNX installations.
Does the ABB DR/S4.1 have a reset switch?
Yes. The device has a reset switch for isolating the bus voltage and resetting the bus devices connected to this line.
How does the ABB DR/S4.1 connect to ABB i-bus®?
Connection to ABB i-bus® is via Bus Connection Terminal.
Is a Data Rail required for ABB DR/S4.1?
No. The product data states that no Data Rail is required.
Which identifiers should be checked before ordering ABB DR/S4.1?
Check the SKU DR/S4.1, Extended Product Type DR/S 4.1, Product ID 2CDG110029R0011, and EAN 4016779587556 against the BOQ and official project documentation.
What is the exact product model?
The order/model code for this page is DR/S4.1. Match it against project documents before purchase.
Conclusion
ABB DR/S4.1 is a KNX (TP) choke, MDRC, intended for decoupling the bus line from the power supply, with reset switch functionality for isolating bus voltage and resetting connected bus devices.
For accurate ordering, confirm the SKU DR/S4.1, Extended Product Type DR/S 4.1, Product ID 2CDG110029R0011, and official ABB documentation reference before purchase.
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