nord NORDAC PRO SK 511E Series - Electrical Data 400 V

7 Technical data
BU 0505 EN-3021 181
7.3.3 Electrical data 400 V
Frequency inverter type SK 5xxE… -550-340- -750-340- -111-340- -151-340- -221-340-
Size 1 1 2 2 2
Nominal motor power
(4-pole standard motor)
400 V
0.55 kW 0.75 kW 1.1 kW 1.5 kW 2.2 kW
480 V ¾ hp 1 hp 1½ hp 2 hp 3 hp
Mains voltage
400 V
3 AC 380 … 480V, -20% / +10%, 47 … 63 Hz
Input current
rms 2.4 A 3.2 A 4.3 A 5.6 A 7.7 A
FLA 2.4 A 3.2 A 4.3 A 5.6 A 7.7 A
Output voltage
400 V
3 AC 0 - Mains voltage
Typical output
rms
1.7 A 2.3 A 3.1 A 4.0 A 5.5 A
FLA 1.5 A 2.1 A 2.8 A 3.6 A 4.9 A
Min. brake resistor Accessories
390 Ω 300 Ω 220 Ω 180 Ω 130 Ω
Pulse frequency
range 3 – 16 kHz
Factory setting 6 kHz
Ambient temperature S1 40 °C. 40 °C. 40 °C. 40 °C. 40 °C.
S3 80 %, 10 min 50 °C. 50 °C. 50 °C. 50 °C. 50 °C.
S3 70 %, 10 min 50 °C. 50 °C. 50 °C. 50 °C. 50 °C.
Type of ventilation Free convection
Fan cooling, temperature-
controlled
switching thresholds:
1)
ON= 57°C OFF=47°C
Weight Approx. [kg] 1.6 1.8
General fuses (AC) (recommended)
slow-blowing 6 A 6 A 6 A 6 A 10 A
Isc
2)
[A]
UL fuses (AC) – permitted
Class
5 000
10 000
100 000
Fuse
J (600 V) x 2.5 A 3.5 A 4.5 A 6 A 8 A
CC, J, R, T, G, L (600 V) x 6 A 6 A 10 A 10 A 10 A
Bussmann LPJ-
x
2.5SP 3.5SP 4.5SP 6SP 8SP
CB
(480 V) x 5 A 5 A 10 A 10 A 10 A
1) Brief test run after application of the mains voltage (for SK 5x5 inverters after application of the control voltage)
2) Maximum permissible mains overload current