30 • vacon general data
Tel. +358 (0)201 2121 • Fax +358 (0)201 212205
7
- With above-mentioned fuses, the drive can be connected to power supply the short
circuit current of which is max. 50 kA.
- Use cables with heat resistance of at least +70 °C.
- The fuses function also as cable overload protection.
- These instructions apply only to cases with one motor and one cable connection
from the frequency converter to the motor.
- To fulfil standard EN61800-5-1, the protective conductor should be at least 10 mm
2
Cu or 16 mm
2
Al. Another possibility is to use an additional protective conductor of
at least the same size as the original one.
Cable and fuse
requirements
(See detailed data
in Vacon 10 User
Manual at:
www.vacon.com)
380 - 480 V, 3~
208 – 240 V, 3~
Frame Fuse (A)
Mains cable
Cu (mm
2
)
Terminal cable min-max
(mm
2
)
Main Earth
Control &
relay
MI1 6
3*1.5+1.5 1.5-4
0.5-1.5
MI2 10
MI3 20 3*2.5+2.5 1.5-6
115 V, 1~
MI2 20 2*2.5+2.5
1.5-4
MI3 32 2*6+6
208 – 240, 1~
MI1 10 2*1.5+1.5
MI2 20 2*2.5+2.5
MI3 32 2*6+6 1.5-6
575V
MI3 6
3*1.5+1.5 1.5-4
MI3 10
MI3 20 3*2.5+2.5 1.5-6