Description
Introduction
ABB RM/S3.1 is a Room Master, MDRC device in the KNX product range, identified by SKU RM/S3.1 and Product ID 2CDG110165R0011. It is listed under KNX Actuators and is described for control of apartment ranges, typically in hotels and small apartments.

The device provides 12 input channels, 8 outputs, and a configuration described as 4 outputs and 4 shutter outputs or 8 outputs. It supports KNX (TP), includes manual operation, has IP20 degree of protection, and is referenced with ABB documentation identifiers for instructions, CE declaration, and wiring diagram.
Key Features
- Brand: ABB
- SKU / Display Name: RM/S3.1
- Catalog Description: RM/S3.1 Room Master, MDRC
- Product ID: 2CDG110165R0011
- Compatible Bus Systems: KNX (TP)
- Number of Inputs: Analog (0 … 10 V / 4 … 20 mA) 12
- Number of Input Channels: 12
- Number of Outputs: 8
Benefits
- Combines 12 input channels and 8 outputs in one ABB Room Master device for apartment-range control tasks.
- Suitable for projects where the specified application is hotels and small apartments.
- Supports KNX (TP), matching the product range and compatible bus system stated in the product data.
- Manual operation is listed as available, supporting direct device interaction where required by the project documentation.
- The product has no batteries listed, with Number of Batteries stated as 0.
- Clear product identifiers are available for procurement control: RM/S3.1, Product ID 2CDG110165R0011, EAN 4016779881067, and Extended Product Type RM/S3.1.
Technical Specifications
Applications
- Control of apartment ranges, as stated in the ABB long description.
- Hotel room or hotel apartment automation projects where RM/S3.1 is specified in the BOQ.
- Small apartment KNX projects requiring the stated combination of inputs, outputs, and shutter-output capability.
- KNX actuator schedules that call for an ABB Room Master, MDRC device with Product ID 2CDG110165R0011.
Installation Notes
- Verify the exact model code RM/S3.1, Product ID 2CDG110165R0011, and EAN 4016779881067 against the project BOQ before ordering.
- Use the ABB instructions and manuals reference 2CDC514065D0201 for installation and commissioning details.
- Use the ABB wiring diagram reference 2CDC072044F0412 when checking terminal wiring requirements.
- Confirm the project requires KNX (TP), IP20 degree of protection, 12 analog input channels, and 8 outputs before substitution or purchase.
- Do not rely on a generic Room Master description where the BOQ requires the specific ABB RM/S3.1 device.
Developer Resources
- Manufacturer product page: https://new.abb.com/products/en/2CDG110165R0011/rm-s3-1
- KNXbazzar ABB brand page: https://knxbazzar.com/knxshop/?brand=abb
- KNX Actuators category: https://knxbazzar.com/product-category/knx-actuators/
- Instructions and Manuals reference: 2CDC514065D0201
- Declaration of Conformity – CE reference: 2CDK514086D2701
- Wiring Diagram reference: 2CDC072044F0412
FAQ
What is the ABB RM/S3.1?
ABB RM/S3.1 is a Room Master, MDRC device in the KNX product range. It is described as a device for control of apartment ranges, typically in hotels and small apartments. For dealer and project support, visit KNX dealer program.
How many inputs and outputs are listed for RM/S3.1?
The product data lists 12 analog inputs, 12 input channels, and 8 outputs. The long description also states 4 outputs and 4 shutter outputs or 8 outputs.
Which bus system is listed as compatible?
The compatible bus system stated in the product data is KNX (TP).
What identifiers should be checked before procurement?
Check SKU RM/S3.1, Extended Product Type RM/S3.1, Product ID 2CDG110165R0011, Display Name RM/S3.1, and EAN 4016779881067 against the BOQ and official project documentation.
Does the ABB RM/S3.1 include manual operation?
Yes. Manual Operation is listed as Yes in the product data.
What is the exact product model?
The order/model code for this page is RM/S3.1. Match it against project documents before purchase.
Conclusion
ABB RM/S3.1 Room Master, MDRC is a KNX (TP) device for apartment-range control, typically in hotels and small apartments, with 12 analog input channels and 8 outputs as listed in the product data.
For accurate procurement, match RM/S3.1, Product ID 2CDG110165R0011, EAN 4016779881067, and the referenced ABB documents with the BOQ and official project requirements.






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