Gira series dimmer

Series dimmer,
E2, anthracite
Series dimmer,
Gira F100, pure white glossy

The Gira series dimmer is a pushbutton dimmer that allows the user to control two lights or light groups independently of one another. When normally two individual dimmers are required each in their own flush-mounted device box, the Gira series dimmer offers the dual function from one flush-mounted device box.

Ideal for retrofitting: an existing series switch can simply be replaced with the Gira series dimmer. The Gira series dimmer is available for all Gira design lines.

Special features, details

Two universal dimming channels are provided for switching and dimming various light sources such as light bulbs, HV halogen, LV halogen with Gira Tronic transformers or LV halogen with conventional transformers. Both channels control different load types entirely independently of each other. Each channel can separately store a memory value as an individual activation value.


The Gira series dimmer is operated by gently pressing the corners of the button. Channel 1 is controlled on the left, channel 2 on the right. The top is for switching on and dimming up, while the bottom is for switching off and dimming down.

By pressing and holding (approx. 4 seconds) the button half way up, the currently set brightness is saved as a memory value, either on the left half for channel 1 or on the right half for channel 2.

Both dimming circuits can be synchronously dimmed up or down by pressing the central axis marked with a line, depending upon whether the upper or lower area is pressed. When the entire surface of the button is pressed and held (approx. 4 seconds), the memory value for both channels is saved.

Both outputs are always synchronously operated and both memory values stored via a connected auxiliary unit.

Technical data

Nominal voltage
AC 230 V, 50/60 Hz
Connected load per channel
50 to 220 W/VA
Load types
230 V light bulbs (ohmic load, trailing edge), 230 V halogen lamps (ohmic load, trailing edge), Tronic transformers (capacitive load, trailing edge), conventional transformers (inductive load, leading edge)
Minimum load
50 W/VA per channel
Number of power boosters
Universal power boosters for trailing edge: 10 pcs. á 500 W
Leading edge
Auxiliary units
System 2000 Extension 0333 00
No. of auxiliary units
Cable length for auxiliary input
max. 100 m
Ambient temperature
-20 °C to +45 °C

Additional functions

  • Soft start for longer lamp life
  • Electronic short-circuit protection
  • Automatic excess-temperature protection with restart
  • Asymmetric load distribution is possible, over and above the single-channel output
  • Auxiliary unit operation via System 2000 auxiliary units


Operating instructions

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Operating instructions.

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Guides / system basics

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