Lenze 8400 - Manual (Page 154)

Electrical installation
Important notes
6

154 EDS84ASC552 EN 9.1

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 is 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.