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MULTIDRIVE-1PH 850A
User’s Manual
20
8
Power output features
Current
Voltage
range
Repetitive peak
reverse voltage
Latching
current
Max peak
one cycle
Leakage
current
I
2
T value
max
Frequency
range
Power loss
Isolation
Voltage
(A)
(V)
(480V)
(600V)
(mAeff)
(10msec.)
(A)
(mAeff)
tp=10msec
(Hz)
I=Inom (W)
Vac
850A
330÷690 1600
1600
1000
17800
15
1027000
47÷70
840
2500
8.1
Derating curve
1
0.8
0.6
0.4
0.2
0
45
55
65
75
85
K
°C
I = I x K
NOM
MAX
8.2
Cooling fans
The MULTIDRIVE thyristor unit is equipped with a cooling fans. The supply votage is the same of the
electronic board (see par. 12.2).
The fan’s power consumption is below listed:
Size
Number of fans
850A
One Fans : 65W 50Hz - 80W 60Hz