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W A R N I N G
INDUCED VOLTAGE
Induced voltage from output motor cables that run together can charge equipment capacitors, even with the equipment turned
off and locked out/tagged out. Failure to run output motor cables separately, or to use shielded cables, could result in death or
serious injury.
Run output motor cables separately or use shielded cables.
Simultaneously lock out/tag out all the drives.
W A R N I N G
ELECTRICAL SHOCK HAZARD
Due to the stray capacitance of the shielded motor cable, the leakage currents exceed 3.5 mA. Failure to properly ground the
drive can result in death or serious injury.
Ensure that minimum size of the ground conductor complies with the local safety regulations for high touch current equip-
ment.
Use a reinforced ground conductor according to IEC 60364-5-54 cl. 543.7 or local safety regulations for equipment with leak-
age current >3.5 mA.
For reinforced grounding:
Use a ground conductor with a cross-section of at least 10 mm
2
(8 AWG) Cu or 16 mm
2
(6 AWG) Al, or an extra ground con-
ductor of the same cross-sectional area as the original ground conductor as specified by IEC 60364-5-54, with a minimum
cross-sectional area of 2.5 mm
2
(14 AWG) mechanically protected or 4 mm
2
(12 AWG) not mechanically protected.
Use a ground conductor inside an enclosure or otherwise protected throughout its length against mechanical damage.
Use a ground conductor that is part of a multi-conductor power cable with a minimum PE conductor cross-section of
2.5 mm
2
(14 AWG) that is permanently connected or plugged in by an industrial connector. The multi-conductor power ca-
ble must be installed with an appropriate strain relief.
C A U T I O N
THERMISTOR INSULATION
Risk of personal injury or equipment damage.
To meet PELV insulation requirements, use only thermistors with reinforced or double insulation.
N O T I C E
EXCESSIVE HEAT AND PROPERTY DAMAGE
Overcurrent can generate excessive heat within the drive. Failure to provide overcurrent protection can result in risk of fire and
property damage.
Use additional protective devices such as short-circuit protection or motor thermal protection between the drive and the
motor for applications with multiple motors.
Input fusing is required to provide short circuit and overcurrent protection. If fuses are not factory-supplied, the installer
must provide them.
N O T I C E
PROPERTY DAMAGE
Protection against motor overload is not active by default. The ETR function provides class 20 motor overload protection. Failure
to set the ETR function means that motor overload protection is not provided and property damage can occur if the motor over-
heats.
Enable the ETR function. See the application guide for more information.
1.5 Verifying the Shipment and the Contents
Ensure that the items supplied and the information on the nameplate correspond to the order confirmation.
AN41533976851001-000101 /
130R1264
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Danfoss A/S © 2022.06
VLT® Midi Drive FC 280
English
