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D-61
Compact NS1600b/3200
Fixed, top or bottom connection
Dd383542
Using the data below, it is possible to determine the size of the copper bars and the
maximum permissible currents when making a front or rear customer connection for
a vertical, fixed Compact NS1600b/3200, taking into account the ambient
temperature around the switchboard and the IP value.
Connection to be made according to the busbar drawings supplied.
For connection cable cross-sections and quantities, see page D-46.
Customer connection
Flat bars, 10 mm thick
Devices
Permissible current (A)
Ambient temperature around the switchboard
25 °C
30 °C
35 °C
40 °C
45 °C
50 °C
IP
y
31 IP > 31 IP
y
31 IP > 31 IP
y
31 IP > 31 IP
y
31 IP > 31 IP
y
31 IP > 31 IP
y
31 IP>31
NS1600b Size per phase 1b 80 x 10 1b 80 x 10 1b 80 x 10 1b 80 x 10 1b 80 x 10 1b 80 x 10 1b 80 x 10 1b 80 x 10 1b 80 x 10 1b 80 x 10 1b 80 x 10
b
I (A)
1560
1480
1520
1430
1480
1380
1430
1330
1380
1280
1330
NS2000 Size per phase 2b 80 x 10 2b 80 x 10 2b 80 x 10 2b 80 x 10 2b 80 x 10 2b 80 x 10 2b 80 x 10 2b 80 x 10 2b 80 x 10 2b 80 x 10 2b 80 x 10
b
I (A)
2000
2000
2000
1950
2000
1900
1950
1830
1900
1760
1830
NS2500 Size per phase 2b100 x 10 2b100 x 10 2b100 x 10 2b100 x 10 2b100 x 10 2b100 x 10 2b100 x 10 2b100 x 10 2b100 x 10 2b100 x 10 2b100 x 10
b
I (A)
2470
2280
2410
2210
2350
2140
2280
2070
2210
2000
2140
NS3200 Size per phase 2b120 x 10 2b120 x 10 2b120 x 10 2b120 x 10 2b120 x 10 2b120 x 10 2b120 x 10 2b120 x 10 2b120 x 10 2b120 x 10 2b120 x 10
b
I (A)
2860
2630
2790
2530
2720
2430
2630
2350
2530
2270
2430
b
connection not possible.
Note:
the values indicated above have been validated for Prisma Plus switchboards.
Designing customer
connections
Fixed NS1600b to NS3200
Front or rear connection
Additional informations
Designing electrical
characteristics