nord NORDAC PRO SK 511E Series - Page 183

7 Technical data
BU 0505 EN-3021 183
Frequency inverter type SK 5xxE… -112-340- -152-340- -182-340- -222-340-
Size 5 5 6 6
Nominal motor power
(4-pole standard motor)
400 V
11.0 kW 15.0 kW 18.5 kW 22.0 kW
480 V 15 hp 20 hp 25 hp 30 hp
Mains voltage
400 V
3 AC 380 … 480V, -20% / +10%, 47 … 63 Hz
Input current
rms 33.6 A 43.4 A 53.2 A 64.4 A
FLA 29.4 A 37.8 A 47.6 A 56 A
Output voltage
400 V
3 AC 0 - Mains voltage
Typical output
rms 24 A 31 A 38 A 46 A
FLA 21 A 27 A 34 A 40 A
Min. brake resistor Accessories
29 Ω 23 Ω 18 Ω 15 Ω
Pulse frequency
range
3 – 16 kHz
Factory setting 6 kHz
Ambient temperature S1 40 °C. 40 °C. 40 °C. 40 °C.
S3 80 %, 10 min - - - -
S3 70 %, 10 min - - - -
Type of ventilation
Fan cooling, temperature-controlled
switching thresholds:
1)
ON= 57°C OFF=47°C
Weight Approx. [kg] 8 10.3
General fuses (AC) (recommended)
slow-blowing 35 A 50 A 63 A 80 A
Isc
2)
[A]
UL fuses (AC) – permitted
Class
5 000
65 000
100 000
Fuse
(480 V) x 40 A
3)
50 A
3)
60 A
3)
60 A
3)
CC, J, R, T (480 V) x 40 A
3)
50 A
3)
60 A
3)
60 A
3)
Bussmann LPJ-
x
x
30SP 40SP 60SP 60SP
CB
(480 V) x x 60 A
3)
60 A
3)
60 A
3)
60 A
3)
1) Short test run after connection of the mains voltage or control voltage
2) Maximum permissible mains overload current
3) According to mains voltage