RDS 11
Transformer speed controller
Five-stage variable speed controller for on-
plaster installation. To connect to
the terminal board wired-in thermal
contacts of one or more fans
up to the rated load. With integrated
Trigger and indicator light. Re-
commissioning after disturbance through "0 cm ( 0 inch ) -
Position. Switchable voltage: 0/80 /
140/200/280/400 volts. Max ambient
temperature 40 degrees C. Plastic housing,
Degree of protection IP 54
Technical data
Mains voltage: volts
Network frequency: Hz
max. Current: A
Protection: IP 37.9
Weight: kg
Ambient temperature: max.. +40 Degrees C

Make: Helios
Item: 1332
Type: RDS 11
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