Audac ARU204 relè

Relay group 4 relays

Varenr: ARU204
1 998,-eks mva.


  • Compatible with AUDAC Touch™
  • Remote control web interface
  • Terminal block connection
  • DIN rail mounting enclosure
  • RS485 & TCP/IP controllable
  • Pre-programmed timed relay triggering

The ARU204 is especially designed with flexibility and functionality in mind. Various ways of switching the 4 relays are provided, these include the integrated web interface, optional paging consoles and analog contact triggering making the ARU204 AUDAC’s smartest and most innovative relay modules.

With this ingenious device, switching between audio sources, signal routing, and even customized automation setups are obtainable. The bipolar relays allow switching of balanced mono signals as well as unbalanced stereo signals. Normal open and normal closed contacts are provided as well.

Thanks to its modular nature, the ARU204 is perfectly suitable for small home or retail applications as well as big installations. There is no limit to the amount of ARU’s connected to one system. The TCP-IP allows controlling the ARU204 over an existing ethernet network through an integrated HTML5 webserver, achieving full control via any connected PC, laptop or smart device. Two RJ45 connectors are provided allowing you to link multiple ARU modules.

The front of the black ABS housing provides a brief overview of its connection possibilities, while the back is equipped with a spring mount mechanism allowing easy mounting on widely available standard DIN rails. This way it’s possible to easily integrate it in any electrical cabinet.

System specifications
Number of relays4
ContactsNormal open & normal closed
ControlDigital communication bus (RS-485)
Manual (contact) relay activation
Audac Touch™
ConnectorsRJ45 (Ethernet)
1 x RJ45 (RS-485 + Audio)
Max. cable length300 m
Connection standardTIA/EIA T568B
RelayTypeTwo pole type
InputsSignal8 x 3-pin screw terminal for A & B input
OutputsSignal8 x 2-pin screw terminal
PowerConsumption6 W (max.)
Supply24 V DC
Product Features
Dimensions110 x 90 x 60 mm (W x H x D)
Weight0.2 kg
Data protocolRS-485
Required cablingUTP CAT5E
AccessoriesOptionalPSD24x external Power supply



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