Lenze i550 Series

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Operating instructions i550 motec frequency inverter | 10

NOTE

Assembly does not satisfy protection class requirements

Possible consequences: Damage to property due to ingress of humidity and foreign bodies.

• All cable glands and mounting parts must at least correspond to the protection class of the

inverter.

• All openings in the housing must be closed according to the protection class.

• Device screws must be tightened to the specied tightening torque.

NOTE

For voltage supply with DC 24...48V (-20% ... +4 %), use only a safely separated power supply

unit in accordance with prevailing SELV/PELV requirements.

Electrical installation



















3-phase | 480 V3-phase | 230/240V

3-phase | 400 V

Control connections

Connection diagram

Preparation

Networks

Functional safety

Safe torque o (STO)

PTC input

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