IEC Technical Data
for Non-Fusible Disconnect Switches
CDNF200U03 – BDNF3150
IEC
Catalog number
3 pole
CDNF200U03
CDNF400U03
BDNF600A
BDNF800A
BDNF1200
BDNF1600
BDNF2000
BDNF3150
Rated insulation and operational
40°C
voltage, AC20 and DC20 1
V
1000
1000
1000
1000
1000
1000
1000
1000
Rated impulse withstand voltage
kV
12
12
12
8
8
8
8
8
Rated thermal current, Ith
AC 20/DC 20
open 2 A
250
400
800
1250
1600
2500
2500
3150
40°C enclosed
60°C enclosed
A
A
250
400
720
720
1250
1250
1600
1600
2300
2300
2300
2300
2600
2600
Rated operational currents
AC 21A
AC 22A
AC 23A
500V
690V
1000V 1
500V
690V
1000V 1
415V
500V
690V
1000V 1
A
A
A
A
A
A
A
A
A
A
250
250
250
250
250
250
250
400
400
400
400
400
400
400
800
800
630
800
800
400
720
600
350
200
1250
1250
1250
800
800
1600
1600
1600
800
800
2500 3
2500 3
1600 3
800 3
800 3
2500 3
2500 3
1600 3
800 3
800 3
3150 3
3150 3
1600 3
800 3
800 3
Rated operational currents/poles in series
DC21A
DC22A
DC23A
48V
110V
220V
440V
750V
48V
110V
220V
440V
750V
48V
110V
220V
440V
750V
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
250/1
250/2
250/2
250/3
250/4
250/1
250/2
250/2
250/3
250/4
250/1
250/2
250/2
250/3
250/4
630/2
630/2
630/2
630/3
630/2
630/2
630/2
630/3
630/2
630/2
630/2
800/2
800/2
800/2
800/3
800/2
800/2
800/2
800/3
1250/2
1250/2
1250/3
1250/2
1250/2
1250/2
1600/2
1600/2
1600/2
1600/3
1600/2
1600/2
1600/2
2500/2
2500/2
2500/2
2500/3
2500/2
2500/2
2500/2
2500/2
2500/2
2500/2
2500/3
2500/2
2500/2
2500/2
3150/2
3150/2
3150/2
3150/2
3150/2
3150/2
3150/2
Rated operational power
AC23A
230V
kW
75
110
200
250
250
250
250
250
400/415V
500V
690V
Short-circuit current
with back-up fuses of size 1 A
kW
kW
kW
kA
400
132/140
170
240
100
400
220/230
280
355
100
800
355
400
355
80
800
400
450
50
1000
400
450
50
1250
400
450
50
1250
400
450
50
1250
400
450
50
1250
Load
Figure 1
1 1000V, IEC 408.
2 The ambient air temperature does not exceed +40°C and its average over a period of 24
hours does not exceed +35°C according to IEC 947.
3 IEC 947-3, utilization category B, infrequent operation.
62
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