6
Manual & automated step transformer INA 6501/INA 6502
1.1 Circuit diagram INA 6501
Input voltage UIN
Up to 250 VAC, 50/60 Hz
(not suited for DC voltages)
Output voltage UVAR
4 steps: 0 - 40% - 70 - 80% of UIN
Accuracy
± 5%
Voltage change with load:
100% output; 0 to 16 A
less than 5%
80% output; 0 to 20 A
less than 5%
70% output; 0 to 23 A
less than 5%
40% output; 0 to 40 A
less than 5%
Output current capability at
16 Arms at 100% output
230 V input voltage
20 Arms at 80% output, for 5 s
23 Arms at 70% output, for 3 s
40 Arms at 40% output, for 3 s
Voltage selection
Front panel rotary switch
EUT power on/off function
Front panel switch with on indicator
Fuse
16 A, slow blow
Connectors
Harting type HAN3A, compatible with
NSG 3000 safe linking concept
1.2 Technical specifications INA 6501
Input
Harting
socket
INA 6501
Step transformer
L
U
IN
U
VAR
N’
PE
16AT
80%
70%
40%
0%
1
1
3
2
2
N
PE
Output
cable with
Harting
connector
S
