OPERATING INSTRUCTIONS NORDAC Frequency Inverters

4.0 Connection
4.1 Power section
4.1.1 Typ SK 1.300/1 - SK 2.400/1
Connection for mains, braking chopper and motor - via screw-type push-lock terminal strips on the lower output stage
board
Maximum line cross-sectional area - 2,5 mm 2
Keep earth connection (PE) at very low ohms.
NORDAC SK 1.300/1...SK 2.400/1 - Please mind the line lengths!
Mains Braking chopper Motor
SK 3/350/22 +
SK 6/350/64
4.1.2 Typ SK 1.300/3 - SK 38.000/3
* if required
- Cf. point 10.3
Connection for mains, braking chopper and motor SK 1300/3 to SK 5900/3
Maximum line cross-sectional area - 2,5 mm 2 via screw-type push-lock terminal strip on the
Keep earth connection (PE) at very low ohms lower output stage board
SK 7.500/3 and 10.000/3
NORDAC SK 1.300/3...SK 38.000/3 - 4,0 mm 2 via screw-type terminal strip on the line and output choke
Mains Braking chopper Motor
SK 3/600/64...
SK 24/600/720
SK 40/600 ... SK 130/600
(-) (+) (PE)
SK 15.000/3 to SK 30.000/3
- 10 mm 2 via screw-type terminal strip on the line and output choke
SK 38.000/3
- 16 mm 2 via screw-type terminal strip on the line and output choke
* if required - Please mind the line lengths!
- Cf. point 10.3
braking resistance
4.1.3 Additional measures (compare point 10.2, 10.3 and 10.4)
Types SK 1.300/1 to SK 2.400/1 and SK 1.300/3 to SK 38.000/3
4
Also for braking chopper connection (recommended < 10m)
230 / 240 V
50 / 60 Hz
auxiliary voltage