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Time Delay Controller DT20B 

Time Delay Controller

Key features
Ref. 21850AW
Usually connected to the lighting circuit.
Fan switches On with the light.
Provides continued ventilation run-on period after the light has been switched Off
User adjustable up to 20min
Surface or recess mounting
White finish
Supply voltage 220-240V 50Hz
100 x 86mm
Further details

Name Code
DT20B 21850AW




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