The operator must ensure that the machines are only connected to a network that meets these re‐
quirements. If necessary, ask the local electricity company for the value of the network impedance.
ASK 27
ASK 32
ASK 35
Anticipated number of
start-stop cycles per hour
15
15
15
Highest permissible sys‐
tem impedance* Z
max
[Ohm]
0.049
0.028
0.021
*Specification related to the sum of impedances in external and neutral lines.
Tab. 26 Supply conditions at 400V/3/50Hz
2.14.2 Mains frequency: 60 Hz
Rated voltage: 230V±10%/3/60Hz
ASK 27
ASK 32
ASK 35
Backup fuse [A]
80
80
100
Supply cable [mm
2
]
4x25
4x25
4x35
Current input [A]
64
74
84
Tab. 27 Mains supply 230V/3/60Hz
Rated voltage: 380V±10%/3/60Hz
ASK 27
ASK 32
ASK 35
Backup fuse [A]
50
50
63
Supply cable [mm
2
]
4x10
4x10
4x16
Current input [A]
39
45
51
Tab. 28 Mains supply 380V/3/60Hz
Rated voltage: 440V±10%/3/60Hz
ASK 27
ASK 32
ASK 35
Backup fuse [A]
40
50
50
Supply cable [mm
2
]
4x6
4x10
4x10
Current input [A]
32
38
43
Tab. 29 Mains supply 440V/3/60Hz
Rated voltage: 460V±10%/3/60Hz
ASK 27
ASK 32
ASK 35
Backup fuse [A]
40
50
50
Supply cable [mm
2
]
4x6
4x10
4x10
2
Technical Specifications
2.14 Power supply specifications
9_5717 20 E
Service Manual Screw Compressor
ASK T SIGMA CONTROL BASIC
13
