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GIRA 202500 KNX Dimmer Actuator | 4-fold, comfort

Manufacturer: GIRA
Article no.: 20026455
EAN: 4010337073338
Manufacturer item number: 202500
Manufacturer type: 202500
Weight: 0,273 kg
In stock
Delivery: 2-3 business days
Electrical appliance take-back
pcs

The GIRA 202500 is a versatile KNX dimmer actuator in our range that is indispensable in any smart home system. With its 4 channels, it enables individual and comfortable control of lighting in all rooms.


  • Easy installation: The 202500 can be easily integrated into existing KNX systems and is therefore quickly ready for use.
  • Flexibility: Thanks to its 4 channels, up to 4 different light sources can be controlled independently of each other.
  • Smooth dimming: The dimmer actuator allows smooth and stepless dimming of the lighting, creating a pleasant atmosphere.
  • Timer function: With the integrated timer, individual switching times can be set for each channel to save energy and increase security.
  • Compatibility: The GIRA 202500 is compatible with all common KNX systems and can therefore be seamlessly integrated into existing smart home systems.
  • High load capacity: With a maximum power of 225 W per channel, the dimmer actuator is also suitable for larger lighting systems.
  • Space-saving installation: Thanks to its compact design and the possibility of DIN rail mounting, the actuator requires little space in the control cabinet.

  • Product class: KNX dimmer actuator
  • Manufacturer: GIRA
  • Manufacturer type: 202500
  • Bus system: KNX
  • Supply voltage: via KNX bus
  • Current consumption: 10 mA
  • Mounting type: Modular installation
  • Division units: 4
  • Output voltage: 230 V AC
  • Number of channels: 4
  • Channel power: 225 W
  • Functions: Dimming, soft on and soft off function, timer


The GIRA 202500 4-channel is a revolutionary product for smart home control. With this actuator, up to 4 different light sources can be dimmed individually, enabling atmospheric lighting in every room. Thanks to KNX technology, simple and reliable networking with other smart home components is possible. The actuator is also suitable for all common light bulbs and offers a high power of up to 225 watts per output. Particularly practical is the possibility to control the dimmer actuator both via the KNX system and via conventional light switches. This preserves the familiar operation and additionally enables comfortable control via smartphone or tablet. The GIRA 202500 KNX dimmer actuator also impresses with its safety mechanisms, such as automatic shutdown in case of overload. This protects the device even if care was not taken during connection. An absolute must-have for anyone who wants to make their home intelligent and comfortable.


The manufacturer Gira has been active in the field of building technology for over 100 years and has established itself as one of the leading providers of smart home systems. The company is known for its high-quality and innovative solutions that enable comfortable and efficient control of lighting, heating, and security. Especially noteworthy are the high quality and easy operation of the products, which are suitable for both new buildings and retrofitting. With the 4-channel KNX dimmer actuator, Gira offers a reliable and flexible solution for intelligent home control.

Active power measurement
No
BAB-Tec
No
Blinds
No
Bluetooth
No
Brand
GIRA
Casambi
No
Class
Dimming actuators
DALI
No
Day/night function
No
Different phases can be connected
Yes
Dimming
Yes
Dimming method
Phase lead/edge
Division units
4 TE
ENOcean
No
Fan coil
No
free@home
No
Gira One
No
Hager KNXeasy
No
JUNG HOME
No
KNX
Yes
KNX-RF
No
KNX-Secure
Yes
KNX-TP
Yes
Local/manual operation
Yes
Manufacturer item number
202500
Manufacturer type
202500
Matter
No
Mbus
No
Modbus
No
Modbus RTU
No
Modbus TCP
No
Mounting type
Series installation
Number of outputs
4
Output power in W
225
Parallel operation of channels possible
No
Rated voltage outputs
230V AC
Shelly
No
Siemens LOGO!
No
Size of connection terminal in mm2
4
Theben LUXORliving
No
Thread
No
Type of transmission
Cable
Wi-Fi
No
Wiser Home
No
with Netatmo
No
Zigbee
No

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Manufacturer information
GIRA
GIRA Giersiepen GmbH & Co. KG
Dahlienstr. 12
42477 Radevormwald
DE

info@gira.de
www.gira.de/

Hints
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