Removal Of Knockouts For Extra Cables; Connection To Mains And Earthing - Danfoss VLT AutomationDrive FC 300 Design Manual

FC 300 Design Guide
Tightening-up Torque
FC size
A1
A2
A3
A5
B1
B2
C1
C2
D1, D3
D2, D4
E1, E2

6.3.1. Removal of Knockouts for Extra Cables

1.
2.
3.
4.
5.

6.3.2. Connection to Mains and Earthing

1.
200 - 240 V 380 - 500 V 525 - 690 V Cable for:
0.25-1.5 kW 0.37-1.5 kW
0.25-2.2 kW 0.37-4 kW
3-3.7 kW 5.5-7.5 kW
3-3.7 kW 5.5-7.5 kW
5.5-7.5 kW 11-15 kW
11 kW 18.5-22 kW
15-22 kW 30-45 kW
30-37 kW 55-75 kW
- 90-110 kW
- 132-200 kW 160-315 kW Line, motor cables
- 250-400 kW 355-560 kW Line, motor cables
Remove cable entry from the frequency converter (Avoiding foreign parts falling into the
frequency converter when removing knockouts)
Cable entry has to be supported around the knockout you intend to remove.
The knockout can now be removed with a strong mandrel and a hammer.
Remove burrs from the hole.
Mount Cable entry on frequency converter.
NB!
The plug connector for power is plugable on FC 300 up to 7.5 kW.
Fit the two screws in the de-coupling plate, slide it into place and tighten the screws.
MG.33.B9.02 - VLT ® is a registered Danfoss trademark
- Line, Brake resistor,
0.75-4 kW load sharing, Motor ca-
bles
5.5-7.5 kW
0.75-7.5 kW
- Line, Brake resistor,
load sharing, Motor ca-
bles
Relay
Earth
- Line, Brake resistor,
load sharing cables
Motor cables
Relay
Earth
- Line, Brake resistor,
load sharing cables
Motor cables
Relay
Earth
- Line, Brake resistor,
load sharing cables
Motor cables
Relay
Earth
110-132 kW Line, motor cables
Load Sharing, brake ca-
bles
Relay
Earth
Load Sharing, brake ca-
bles
Relay
Earth
Load Sharing, brake ca-
bles
Relay
Earth
6. How to Install
Tightening up torque
0.5-0.6 Nm
1.8 Nm
0.5-0.6 Nm
2-3 Nm
4.5 Nm
4.5 Nm
0.5-0.6 Nm
2-3 Nm
10 Nm
10 Nm
0.5-0.6 Nm
2-3 Nm
14 Nm
10 Nm
0.5-0.6 Nm
2-3 Nm
19 Nm
9.5 Nm
0.5-0.6 Nm
19 Nm
19 Nm
9.5 Nm
0.5-0.6 Nm
19 Nm
19 Nm
9.5 Nm
0.5-0.6 Nm
19 Nm
101
6