Mains Connection - Danfoss VLT 2811 Quick Manual

VLT 2800 Quick Guide
Fit screened/armoured cable from the motor to the motor terminals of the frequency converter,
i.e. U, V, W. The screen ends in a screen connector.

1.4.3 Mains connection

No.
No.
No.
No.
No.
No.
Technical data
See
Galvanic isolation
NB!
Please note that at 1 x 220-240 Volt the neutral wire must be attached to terminal
N and the phase wire must be connected to terminal L1
(L2)
N L1 Mains voltage 1 x 220-240 V
(L2) (L1) (L3)
N L1
95 Earth connection
N L1 Mains voltage 3 x 220-240 V
(L2) (L1) (L3)
L2 L1 L3
95 Earth connection
91 92 93 Mains voltage 3 x 380-480 V
L1 L2 L3
95 Earth connection
NB!
Please check that the mains voltage fits the mains voltage of the frequency con-
verter, which can be seen from the nameplate.
400-Volt units with RFI-filters may not be connected to mains supplies in which the
voltage between phase and earth is more than 300 Volts. Please note that for the
IT mains and the delta earth the mains voltage can exceed 300 Volts between phase
and earth. Units with type code R5 (IT mains) can be connected to mains supplies
with up to 400 V between phase and earth.
for correct dimensioning of cable cross-section. See also the section entitled
in the Operating Instructions for further details.
MG.28.M1.02 - VLT ® is a registered Danfoss trademark
1 Quick Guide
VLT 2880 - VLT
2882
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(L1)
1
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