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KNX radio switch actuator 1gang/binary input 2gang flush-mounted, 230 V, 3 A (3-wire) Electronics platform Art No. 85875121 EAN No. 4011334418658 P.U. 1 part Price * on demand Price Group Bus system yes - ETS additional functions: +6 scenes, operating mode on/off, 1 up/down button control, push-button, 2 x alarm, status display
- reset function (to factory setting)
- scene saving lockable
- scene opening via KNX radio appliances
- quicklink functions: switching, 2 scenes, time switching, NO contact push-button, forced control
- confectioned, with 2-core cable
Indicator lamp yes - with manual operation on/off
- Activation, for example through switch, push-buttons, timer
- with configuration and function button
Bus system radio frequent yes Bus system LON no Bus system Powernet no Radio protocol KNX Radio Receiver category 2 - with independent, mains supplied, binary input for potential-free contact
System supply voltage 230V AC Number of entry circuits 2 Input signal current 33 µA Maximum through current 3 A Withstand current in AC1 for the contact path or zone 1 3 A Transmission frequency 868 MHz Radio reception frequency 868,3 MHz Total power loss under IN 450 mW Power dissipation per coil 150 mW Electronic transformers 600 W Radio transmission power < 10 mW C-load yes Input scanning voltage 5 V Relative humidity (without condensation) 0…65 % (without condensation) Dimensions, sensor (Ø x H) 53 x 30 mm Colour independent of design lines light grey Height of installed product 40 mm Dimensions (LLxwwxhh) 40x40x20 Diameter 53 mm Height 30 mm Power lighting fluo lamps 150W Max. power fluo. duo lamp comp. series 150W Fluorescent lamps parallel compensated 36 W Max number of LED/CFL lamps 20 Power LED 150 W LED with transmission status and control LED for On/Off, with configuration and function LEDs Max. power with incandescent lamps 500 W 230 V incandescent lamps and halogen lamps 1500 W Installation mode for installation behind flush-mounted inserts Connection cross-sect. flexible conductor 0,5 / 1,5mm² Connection cross-sect. rigid cable 0,5 / 1,5mm² Type of contacts 1NO Type of connection with screw - with screw-in lift terminals
- integration in the KNX radio/TP gateway, surface-mounted, into the KNX TP system
Binary cable length, extendable to max. 5 m Binary cable length ≈ 20 cm Supported configuration modes system, easy, PB - toolless quicklink configuration using buttons and LED display
Bus connection included no Number of outputs 1 Number of radio channels 1 Number of quicklink links max. 20 transmitter/receiver Modular expandability no Transmitter duty cycle 1 % Different phases connectable no With slide for manual switch yes Operating temperature -10…50 °C Storage/transport temperature -20…70 °C - low intrinsic energy requirement
Application, usage KNX radio - actuators Product family product family: output Device family TRM Main design line Electronics platform -
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Order Overview for Actuators flush-mounted/surface-mounted
Actuators flush-mounted/surface-mountedPDF, 464 KB 
Catalogue Chapter for Berker KNX - system
Berker KNX - systemPDF, 7,7 MB 
ETS Database for 85875121
KNXPROD, 508 KB
Product Data Sheet for 85875121
KNX radio switch actuator 1gang/binary input 2gang flush-mounted, 230 V, 3 A (3-wire) Electronics platformPDF, 392 KB
* All data is subject to errors and technical modifications. All price values are recommended retail price values, exclusive of VAT.