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Verfügbare Sprachen
Verfügbare Sprachen
Montage- und Betriebsanleitung / Mounting and operating instructions /
Intended use
Three-step rotary switch with additional zero position for fan control. Switching
steps: Position 1 (base load), position 2 (normal load), position 3 (full load).
Safety instructions
● Electrical connections and repairs only permitted when carried out by trained electricians.
● You are deemed to be a trained electrician if you can competently and safely connect units to an
electrical power supply according to the enclosed wiring diagram on the basis of your technical
training and experience and are able to recognise and avoid risks and dangers associated with
electricity.
● Only operate the unit when it is completely installed.
● Never use unit in an explosive atmosphere.
● Note the relevant specifications for electrical installations and when fitting equipment. In
Germany, observe DIN VDE 0100 and the corresponding parts in particular.
● The degree of protection stated on the rating plate is only guaranteed if installation is undertaken
correctly and if the cables are correctly guided through the cable screw connections into the
housing.
● Only connect unit to a permanently wired electrical installation with NYM-O or NYM-J, (3 x 1.5
mm²) cables. Additionally, a mains isolation device with contact openings of at least 3 mm at
each pole must be installed.
● The unit may only be operated using the voltage and frequency shown on the rating plate.
● Before accessing the connection terminals, observe the 5 safety regulations: Releasing (all-pole
isolation of the electric system from live components), protecting against being accidentally
switched back on, ensuring de-energisation, earthing and short-circuiting as well as covering or
blocking off neighbouring live components.
● Incorrect installation can result in damage to the unit, fire or other dangers.
● These instructions are part of the unit and must remain in the customer's possession.
Mounting
The switch, with it plastic housing, is intended for surface-mounting. On the
upper side and underside of the housing, there are openings provided on the cable screw
connections for installation purposes (cable screw connections are not included in the scope of
delivery).
Technical data
Rated operating voltage
Power frequency
Rated normal current
Degree of protection
Dimensions (WxHxD)
Dismantling and disposal
Do not dispose of in domestic waste. The unit contains in part materials that can be recycled and in
part substances that should not end up in the domestic waste. Dispose of the unit once it has
reached the end of its service life according to the regulations valid where you are.
UK
DS 3 EC three-step switch
Instructions de montage et Mode d'emploi
230 V
50/60 Hz
20 A
IP 65
90.5 x 90.5 x 102 mm
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