Industrial Automation

Universal Dimmer DIM04SA/500U - Qbus

The universal dimmer DIM04SA/500U from Qbus can dim up to 4 circuits of each 10-500VA, and can handle halogen spots, electronic & magnetic transfo's, incandescent lamps, dimmable CFL's and 230V LEDs. The DIM04SA/500U has an internal protection against short circuits, overload and overheating and has a built-in CRC-filter. This module can also be used Stand-Alone (without Qbus Controller) as it contains 5 inputs to connect standard pushbuttons (including All Off and Panic button).
The universal dimmer DIM04SA/500U from Qbus has 5 potencial-free inputs to connect standard push buttons. Input 1 to 4 control respectively output 1 to 4, input 5 (A) is a scene input which executes an ALL-OFF-scene when pushing for 0,7 seconds (and then releasing the button), or a panic-scene (All outputs on) when pushing the button for 3 seconds. The inputs are set standard in push button mode. When the module is connected to a controller, the input mode of the DIM04SA/500U can be changed to Normal Open, Normal Closed or toggle.
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The dimmer outputs can only be used as a one-button dimmer. As a one-button dimmer the dimming cycle must always be completed: starting from zero to maximum and back to zero. A short pulse (< 0,3 sec.) will take the dimmer to zero or to the maximum value in 2,5 sec.

General specifications :
  • Power supply: 230Vac +-10%, 50Hz – maximum protection 16A/2P;
  • This device is exclusively suitable for DIN-rail mounting EN50022;
  • Insulation voltage: 3 kVac tested;
  • Characteristic consumption: 4.5VA;

Ambient temperature:
  • Working temp. range: 10°C to 70°C;
  • Storage temp. range: -10°C to 70°C;
  • Maximum humidity: 93%, no moisture condensation;
  • Bus load: 10mA at nominal 13,8V;
  • Fuse: 500mAT single-phase;
  • Max installation altitude: 2000meters. 

  • Modules equipped with internal power supply;
  • Pushbuttons on the module for manual operation;
  • Inputs for connection of standard pushbuttons without need external power supply;
  • No programming or configuration required;
  • Connectors for connection of the Qbus home Automation system (complete system).
  • Electrical installers;
  • Construction companies;
  • Electrical design offices.

F.Fonseca is the representative of Qbus in Portugal.
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