Window Master WEA 169

4 channels interface

  • 2 channel interface
  • Used together with keypad WSK 120


Natural ventilation

The product is suitable for comfort ventilation to ensure that the building’s users enjoy a comfortable indoor climate

KNX certified

The product is KNX certified and supports this BUS communication

The universal four channels interfaces are used as an interface for the convenient operation of installations via conventional push buttons/switches or for reading out technical binary signals.

They also enable the control of LEDs as well as the electronic relay controlling electrothermal valve drives.

Manufacturer: ABB. Type: US/U 4.2


Additional information



Window Master
WindowMaster brand products

Technical Details

WEA 169
Bus voltage:
via bus
Power consumption:
< approx. 10 mA 
4. Individually parameterised as inputs or outputs
Permitted cable length:
<= 10 m
Scanning voltage:
20 V DC
Input current:
0.5 mA
Output voltage:
 5 V DC 
Output current:
max. 2 mA, limited via series resistor  of 1.5k
Short-circuit-proof, overload protection, reverse voltage protection

Download PDF's

Window Master WEA 169 Manual

Window Master WEA 169 Data Sheet

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