4.10 ACU 401 (37.0 to 65.0 kW, 400 V)
Recommended motor shaft power
Long-term overload current (60 s)
Short-time overload current (1 s)
Maximum input voltage, three-phase
Short circuit / earth fault proof
0 ... 1000, depending on switching frequency
Output, brake resistor
5)
Recommended brake resistor
(U
dBC
= 770 V)
R Ω 13 11 9 7.5
Energy dissipation
(2 kHz switching frequency)
P W 665 830 1080 1255
0 ... 40 (3K3 DIN IEC 721-3-3)
15 ... 85, not condensing
If required by the customer, the switching frequency may be increased if the output current is reduced at the
same time. Comply with the applicable standards and regulations for this operating point.
Frequency inverter nominal power
1)
Three-phase connection requires a commutating choke.
2)
Mains current with relative mains impedance ≥ 1% (see chapter „Electrical installation“)
3)
Reduction of switching frequency in thermal limit range
4)
Maximum current in continuous operation
5)
Optional the frequency inverter of this size is purchasable without brake transistor.
06/13 Operating Instructions ACU 39
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