Lenze 712 E.3B - Handbuch (Seite 45)

Safety instructions
Residual hazards
2

45 EDB712 DE/EN 2.1
2.2 Residual hazards
Protection of persons
Drive controllers have degree of protection IP 00. All live parts are freely
accessible.
ƒ Cover the live parts. In this way you will prevent unintentional contact
with dangerous voltages.
ƒ Switch off the mains before you work on the drive controller.
ƒ Prior to working on the drive controller, check all terminals are electrically
isolated.
Motor protection
ƒ During the extended operation of self-ventilated motors at low speeds,
the motor may overheat.
ƒ Use additional components for protection against dangerous overspeeds.