Küenle KFU 210 Series, Быстрый старт

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KFU 210- / 410-
53
8.10 Size 8 KFU 410 (160 to 400 kW, 400 V)
Type
KFU 410 -305 -380 -475 -595 -645 -735
Size 8
Output, motor side
Recommended motor shaft
power
P kW 160 200 250
315 355 400
Output current I A
eff.
305 380 475 595 645 735
Long-term overload current (60 s) 1)
I A
eff.
460 570 715 895 970 1100
Short-term overload current (1 s)
2) I A
eff.
550 685 855 1070 1160 1330
Output voltage U V
eff.
Maximum input voltage, three-phase
Protection - - Short circuit / earth fault proof
Rotary field frequency f Hz ±500 Hz
3)
Switching frequency f kHz
2, 4, 8 4)
Output, braking restor (external) 5)
Min. braking resistance R Ω 1,20 1,20 1,20 0,80 0,80 0,80
Recommended braking resistor
(U
dBC
= 770 V)
R Ω 1,50 1,50 1,50 1,00 1,00 1,00
Input, mains side
Mains current 6) I A 280 350 440 550 620 690
Mains voltage U V 320 … 528
Mains frequency f Hz 45 … 66
Fuses
7)
I A 400 500 630 700 800 900
Fuses as per UL 8)
in preparation
Typ
170M5*08
or
170M5*58
170M5*10
or
170M5*60
170M5*12
or
170M5*62
170M5*13
or
170M5*63
170M5*14
or
170M5*64
170M5*15
or
170M5*65
Mechanical
Dimensions HxWxD mm 1067 x 439 x 375
Weight approx. m kg 120 120 120 140 140 140
Ingress protection rating - - IP20 (EN60529)
Connection terminals A mm 2 up to 2 x 240
Form of assembly - - vertical
Ambient conditions
Energy dissipation
(2 kHz switching frequency)
P W 3800 4500 5600 6300 6850 7900
Coolant temperature T
n
°C -25 … 45 (3K3 DIN IEC 60721-3-3)
Storage temperature T
L
°C -25 ... 55
Transport temperature T
T
°C -25 ... 70
Rel. humidity - % 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.
Output current
9)
Frequency inverter nominal
power
Switching frequency
2 kHz 4 kHz 8 kHz
160 kW 305 305 305
200 kW 380 380 380
250 kW 475 475 475
315 kW 595 595 595
355 kW 645 645 645
400 kW 735 735 735
1) Power reduction with torsional frequencies below 10 Hz
2) Only with torsional frequencies above 10 Hz
3)
Depending on switching frequency
4) Reduction of switching frequency possible on certain conditions
5)
As an option, the frequency inverter of this size is available without internal brake transistor
6) Rated value with recommended motor power, 400V mains voltage and mains inductance U
K
=4%
7)
Semiconductor fuses recommended (e.g. Bussmann Type 170M)
8) For UL-compliant fusing, the specified Cooper Bussmann fuses must be used. * is a placeholder for assembly.
9)
Maximum current in continuous operation