FC 300 Operating Instructions
How to Install
Motor connection
≤
7.5 kW IP 55 / NEMA type 12
Motor connection 11-22 kW IP 21 / NEMA type 1, IP55
/ NEMA type 12 (B1 and B2 enclosures)
All types of three-phase asynchronous standard
motors can be connected to the FC 300. Normally,
small motors are star-connected (230/400 V,
/Y). Large motors are normally delta-connected
(400/690 V,
/Y). Refer to the motor name plate
for correct connection mode and voltage.
No.
96
97
98
99
U
V
W
PE
1)
Motor voltage 0-100% of mains voltage.
3 wires out of motor
U1
V1
W1
Delta-connected
W2
U2
V2
PE
1)
6 wires out of motor
U1
V1
W1
PE
1)
Star-connected U2, V2, W2
U2, V2 and W2 to be interconnected separately.
1)
Protected Earth Connection
NB!:
In motors without phase insulation paper or other insulation reinforcement suitable for operation
with voltage supply (such as a frequency converter), fit an LC filter on the output of the FC 300.
21
MG.33.A7.02 - VLT is a registered Danfoss trademark
