Residual Hazards; Motor Protection - Lenze i950 Montage- Und Einschaltanleitung

Safety instructions

Residual hazards

Residual hazards
Even if notes given are taken into consideration and protective measures are implemented,
the occurrence of residual risks cannot be fully prevented.
The user must take the residual hazards mentioned into consideration in the risk assessment
for his/her machine/system.
If the above is disregarded, this can lead to severe injuries to persons and damage to
property!
DANGER!
Danger to life due to electrical voltage!
The product's power connections can still be carrying voltage when the mains supply has been
switched off.
Possible consequences: Death, severe injury, or burns
▶ Do not touch the power connections immediately.
▶ Take note of the corresponding warning plates on the product.
▶ Check power terminals for isolation from supply.
Product
Observe the warning labels on the product!
Dangerous electrical voltage:
Before working on the product, make sure there is no voltage applied to the power terminals!
After mains disconnection, the power terminals will still carry the hazardous electrical voltage for the time given next to the
symbol!
Electrostatic sensitive devices:
Before working on the product, the staff must ensure to be free of electrostatic charge!
High leakage current:
Carry out fixed installation and PE connection in compliance with:
EN 61800−5−1 / EN 60204−1
Hot surface:
Use personal protective equipment or wait until the device has cooled down!
Degree of protection - protection of persons and device protection
Information applies to the mounted and ready-for-use state.
•
Information does not apply to the wire range of the terminals.
•
Terminals that are not wired have low protection against physical contact.
-
Terminals for large cable cross-sections have lower classes of protection, e. g. from
-
15 kW IP10 only.

Motor protection

With some settings of the inverter, the connected motor can be overheated.
E. g. by longer operation of self-ventilated motors at low speed.
•
E. g. by longer operation of DC-injection braking.
•
102