Rated voltage: 230V / 3 / 50Hz
ASK 28 ASK 34 ASK 40
Backup fuse [A] 63 80 100
Supply cable [mm
2
]
4x16 4x25 4x35
Current drawn [A] 57 69 78
Tab. 27 Supply details 230V / 3 / 50Hz
Rated voltage: 400V / 3 / 50Hz
ASK 28 ASK 34 ASK 40
Backup fuse [A] 40 50 50
Supply cable [mm
2
]
4x10 4x10 4x10
Current drawn [A] 33 40 45
Tab. 28 Supply details 400V / 3 / 50Hz
2.14.1.1 Network conditions
The network conditions apply to machines connected to public mains supplies with the following
characteristics.
■ Mains frequency: 50 Hz
■ Voltage between exterior and neutral lines 220 V... 250 V
■ Voltage between the exterior lines 380 V... 430 V
They do not apply to private power supplies within industrial areas isolated from the public mains.
The machines listed in the table are intended for operation with a public power supply with a net‐
work impedance at the transfer point (house connection) of maximum Z
max.
[Ohm].
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 28 ASK 34 ASK 40
Anticipated number of
start-stop cycles per hour
15 15 15
Highest permissible
mains impedance*
Z
max.
[Ohm]
0.033 0.022 0.017
*Specification related to the sum of impedances in external and neutral lines.
Tab. 29 Network conditions at 400V / 3 / 50Hz
Machines with current consumption 16 A...≤75 A comply fully with IEC 61000-3-12.
2.14.2 Mains frequency: 60 Hz
Rated voltage: 230V / 3 / 60Hz
ASK 28 ASK 34 ASK 40
Backup fuse [A] 63 80 100
2 Technical Specifications
2.14 Power supply specifications
901824 12 E
Operating Manual Screw Compressor
ASK
13
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