SU 1 KNX  Flush Mounted Relay
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THEBEN 4942520

SU 1 KNX Flush Mounted Relay

Product code: 4942520
1-way flush-mounted switch actuator, 1x NO contact & 1x NC contact with common control.
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  • 1-way flush-mounted switch actuator
  • 1x NO contact & 1x NC contact with common control
  • Adjustable features: NC/NO contact, switching, delayed switching, pulse function
  • 2 binary inputs for floating contacts such as buttons, switches, temperature sensor (I2)
  • The binary inputs are assigned to the switch output as standard (function test before programming)
  • Integrated temperature monitoring for increased operating safety, e.g. in the event of overload

Technical Details


Operating voltage KNXBus voltage, <4 mA
Installation typeFlush-mounted
Type of connectionTerminal screws | Bus connection: KNX bus terminal
Number of channels1
Type of contact16 A
Incandescent/halogen lamp load2000 W
Energy saving lamps300 W
LED lamp < 2 W50 W
LED lamp 2-8 W600 W
LED lamp > 8 W600 W
Inrush currentmax. 740 A / 200 µs
Ambient temperature-5°C ... 45°C
Type of protectionIP 20
Protection classII



Technology KNX
Mounting Flush
Inputs 2
Operating voltage KNX Bus (29VDC)
Outputs 1
Output Type Switching
HVAC support Temperature Sensing
IP rating IP20

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