● Severe burns, cardiovascular failure, fatal electric shock
● Due to voltage-free contacts on site, external voltage can be
present on the terminals even if the mains plug is unplugged
► Only open the housing of the device when the device is de-
energised.
► Prior to any work on the connection terminals, check that the
voltage-free contacts are de-energised.
The socket outlet for the mains cable of the transformer must be
easily accessible. Unplugging the mains plug must be possible at
all times.
► Prior to opening the housing, make sure that the transformer
is not plugged into the socket.