SK20-TC-2B - KNX Room Temperature Sensor with Controller and 2 Binary Inputs, White

SKU: 30511261
✗ UL Listed
This product has not been certified by an NRTL (UL, ETL, CSA or equivalent). Installation in USA projects may require a Field Evaluation by a recognized laboratory. Consult your local AHJ before specifying.
~ Low Voltage · SELV
This device operates on a Safety Extra Low Voltage circuit — such as the KNX 29V bus or a DALI 16V bus (NEC Class 2). When powered by an NRTL-listed power supply, many AHJs accept non-listed SELV devices. Verify with your local AHJ before specifying.
Regular price $222.23 USD
Regular price -17% $266.67 USD Sale price $222.23 USD
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The SK20-TC-2B is a self-contained KNX room temperature sensor in a white 71 x 71 mm (2.8 x 2.8 in) plastic housing that flush mounts on a standard in-wall box. It is supplied as a complete unit, with no separate frame or cover required.

It includes an integrated bus coupler and room temperature controller (RTR), measures from -25 to +80 °C (-13 to 176 °F) with ±0.4 °C (±0.72 °F) accuracy between 5 and 60 °C (41 to 140 °F), and offers two binary inputs for contacts or push buttons. Bus powered and configured in ETS with the HLK305 application.

Key Features

  • Integrated KNX bus coupler and room temperature controller (RTR)
  • Temperature -25 to +80 °C (-13 to 176 °F), ±0.4 °C (±0.72 °F) between 5 and 60 °C (41 to 140 °F); 0.02 °C (0.04 °F) resolution
  • 2 binary inputs
  • White plastic housing, 71 x 71 x 25 mm (2.8 x 2.8 x 0.98 in), IP20
  • Flush mount on standard in-wall box
  • Bus powered (approx. 240 mW); no auxiliary supply
  • ETS application HLK305

Technical Specifications

Article no. 30511261
KNX bus voltage KNX 21-32 VDC
Power consumption approx. 240 mW at 24 VDC (bus powered)
Auxiliary supply Not required (bus powered)
Measuring Air temperature (sensor in housing); Temperature -25..+80 °C (-13 to 176 °F), res. 0.02 °C (0.04 °F), accuracy ±0.4 °C (±0.72 °F) (5..60 °C (41 to 140 °F)) else ±0.8 °C (±1.4 °F)
Inputs / outputs & connections 2 binary inputs
Protection rating IP20
Dimensions 71 x 71 x 25 mm (2.8 x 2.8 x 0.98 in)
Mounting Flush mount on standard in-wall box, indoor (complete white plastic unit)
Operating temperature -25 to +80 °C (-13 to 176 °F) (storage -25 to +80 °C (-13 to 176 °F))

Downloads

(CE certified; not UL/NRTL listed — verify local code requirements before specifying in US installations)

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