ABB 2CKA006134A0317 Bus Coupling Unit - KNX TP
Part Number: 2CKA006134A0317
Quick Summary
ABB 2CKA006134A0317 Bus Coupling Unit is a KNX TP based control device with an integrated CO2 sensor and temperature sensing for HVAC and room automation. This compact, flush-mounted unit addresses common integration challenges by combining sensing, processing, and KNX communication in a single enclosure. It carries CE and UKCA declarations, RoHS/REACH compliance, and an IP20 rating for indoor installations, ensuring dependable performance in controlled environments. By consolidating a room-temperature controller, sensors, and input management, it delivers measurable benefits in energy efficiency, occupant comfort, and maintenance simplicity through streamlined commissioning and reliable KNX network operation.
Product Information
Extended Description
2CKA006134A0317 ABB: Control element with room temperature controller function and CO2/moisture/air pressure sensor. For activating heating, ventilation and fan coil actuators. With universal input with: - max. of 5 binary inputs - 4 binary inputs and 1 analogue input for activating sensors with external power supply 1-10 V/0-10 V - 2 binary inputs and 1 analogue input for activating sensors with external power supply 1-10 V/0-10 V and an external temperature sensor PT1000 / 6226T/ DP4-T-1. With integrated temperature sensor. With display of set-value temperature. Master/slave configuration. With base-load operation. The bus can be connected via enclosed terminal block. Class of temperature controller 1 Contribution to space heating energy efficiency 1,0%.
Mounting Type
Flush Mounted
Modular Components Included
Flush Mounted Insert with Control Element
Ambient Air Temperature
Operation -5 ... +45 °C
Degree of Protection
IP20
Number of Digital Inputs
5
Number of Inputs
5
Compatible Bus Systems
KNX (TP)
Product Range
KNX
Transmission Standard
Twisted Pair Wiring
Rated Voltage (Ur)
24 V
Auxiliary Voltage AC/DC
24 V AC/DC
Rated Current (In)
5 A
Design Range
Platform 63 | Busch-Duro 2000 SI | Reflex SI | Basic55 | Busch-art linear | future linear | Busch-axcent | solo | Pure Stainless Steel | carat | Busch-Dynasty | alpha
Design Range Variant
Busch-Duro 2000 SI | Busch-Duro 2000 SI Linear | Reflex SI | Reflex SI Linear | Busch-art linear | Busch-art linear - with Decor Ring | Busch-art linear - pur | future | future linear | Busch-axcent | Busch-axcent pur | alpha nea | alpha exclusive
Product Net Width
71 mm
Product Net Height
71 mm
Product Net Depth / Length
44 mm
Product Net Weight
91.5 g
Screen Size
1 in
E-Number (Finland)
2815605
E-Number (Norway)
4544154
E-Number (Sweden)
1739159
RoHS Information
Product Declaration.PDF [EN] 6109/28-500
RoHS Status
Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019
REACH Declaration
All Articles_REACH_EN_24-2_2CKA309999E9999
REACH Information
True - contains substances > 0.1 mass percentage
REACH Date
20240705
Conflict Minerals Reporting Template (CMRT)
Conflict Minerals Reporting Template
SCIP
77837f38-8060-4c0f-b25b-34f07a8ca816 Germany (DE)
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
WEEE B2C / B2B
Business To Consumer
Cyber Security Software Support Period
2 year
Declaration of Conformity - CE
EU-Declaration of conformity (.PDF) [EN] 6109/28-500
Declaration of Conformity - UKCA
UKCA Declaration of Conformity.PDF [EN] 6109_28-500
ETIM 9
EC000926 - Physical sensor for bus system
eClass
V11.0 : 27143137
Feature → Business Impact → Application: The KNX TP bus interface and 24 V supply enable reliable KNX communication and stable actuator control for heating, ventilation and fan coils, with up to 5 A of load current. This reduces commissioning time and improves system responsiveness in commercial buildings. Application: Ideal for integrated KNX HVAC controllers in mid-size offices or classrooms where dependable bus communication is critical. Feature → Business Impact → Application: Integrated CO2, moisture, and air pressure sensors plus a built-in temperature sensor provide real-time environmental feedback without additional peripheral devices, lowering installation costs and accelerating commissioning. Application: Suitable for smart classrooms, conference spaces, and office environments seeking proactive air quality management. Feature → Business Impact → Application: Master/slave configuration and base-load operation simplify system topology and enable scalable, energy-aware control strategies, contributing to measurable energy efficiency improvements (notably 1.0% space heating energy efficiency). Application: Multi-zone buildings where centralized control benefits from hierarchical KNX deployments. Feature → Business Impact → Application: Flush-mounted insertion and compact 71 × 71 × 44 mm form factor save wall space and simplify retrofits in retrofit or new-build projects. Application: Modernized interiors and retrofit installations in wall cavities with limited depth. Feature → Business Impact → Application: Five digital inputs plus flexible input combinations (binary and analog) deliver versatile sensor and switch integration, supporting external power-supplied 1–10 V/0–10 V sensors and PT1000/DP4-T connections. Application: Industrialized office HVAC zones and smart building corridors requiring flexible I/O. Feature → Business Impact → Application: Display of set-value temperature and a user-friendly interface improve operator visibility and reduce commissioning errors, lowering lifecycle maintenance. Application: KNX room controllers used by facilities teams for quick parameter validation during commissioning and fault diagnosis.
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FAQs
This device is designed for Flush Mounted installation with an IP20 rating suitable for indoor use. Ensure the KNX TP bus wiring is correctly terminated and that the unit is mounted in a standard wall cavity compatible with the flush-mounted insert. Maintain proper airflow around the unit to prevent sensor bias and avoid proximity to sources of heat or moisture.
Key specs include a 24 V auxiliary power supply, rated current of 5 A, and KNX TP compatibility. It provides 5 digital inputs and supports combinations of binary and analogue inputs for sensors with external 1–10 V/0–10 V power. It also accommodates external temperature sensors such as PT1000 variants.
Yes. The compact 71 × 71 × 44 mm footprint and flush-mounted insert simplify retrofits in wall cavities. Its integrated sensors reduce the need for additional external devices, simplifying wiring and commissioning in retrofit KNX projects while preserving aesthetics and space.
The device complies with CE and UKCA declarations, RoHS, and REACH. It carries IP20 protection for indoor use and supports SCIP registration. These certifications ensure regulatory compliance and safer integration into European KNX installations.
By combining sensing, control, and KNX communication in a single device, it reduces hardware counts, simplifies installation, and shortens commissioning times. Built-in CO2 and temperature sensing supports proactive ventilation strategies, lowering energy consumption and enabling easier fault diagnostics, which translates to faster issue resolution and lower lifecycle costs.