Electrical installation
Important notes
6
154
EDS84ASC552 EN 10.0
Stop!
No device protection if the mains voltage is too high
The mains input is not internally fused.
Possible consequences:
ƒ Destruction of the device if the mains voltage is too high.
Protective measures:
ƒ Observe the maximally permissible mains voltage.
ƒ Fuse the device correctly on the supply side against mains fluctuations and
voltage peaks.
Stop!
Overvoltage at devices with 230-V mains connection
An impermissible overvoltage may occur if the central supply of the N
conductor i s interrupted if the devices are connected to a TN three-phase
system.
Possible consequences:
ƒ Destruction of the device
Protective measures:
ƒ Provide for the use of isolating transformers.
Stop!
The product contains electrostatic sensitive devices.
Before working in the connection area, the personnel must be free of
electrostatic charge.
Stop!
Pluggable terminal strips or plug connections
Plugging or removing the terminal strips or plug connections during operation
may cause high voltages and arcing.
Possible consequences:
ƒ Damage of the devices
Protective measures:
ƒ Switch off device.
ƒ Only plug or remove the terminal strips or plug connections in deenergised
status.
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