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D-64
Compact NS630b to NS1600
Withdrawable
DD382454
Using the data below, it is possible to determine the size of the copper bars and the
maximum permissible currents when making a rear customer connection for a
vertical, withdrawable Compact NS630b/NS1600, 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, 5 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
NS630b Size per phase
1b 60x5 1b 60x5 1b 60x5 1b 60x5 1b 60x5 1b 60x5 1b 60x5 1b 60x5 1b 60x5 1b 60x5 1b 60x5
b
I (A)
630
630
630
630
630
630
630
630
630
630
630
NS800
Size per phase
1b 80x5 1b 80x5 1b 80x5 1b 80x5 1b 80x5 1b 80x5 1b 80x5 1b 80x5 1b 80x5 1b 80x5 1b 80x5
b
I (A)
800
800
800
800
800
800
800
800
800
800
800
NS1000 Size per phase
2b 50 x 5 2b 50 x 5 2b 50 x 5 2b 50 x 5 2b 50 x 5 2b 50 x 5 2b 50 x 5 2b 50 x 5 2b 50 x 5 2b 50 x 5 2b 50 x 5
b
I (A)
1000 1000 1000 1000 1000 1000 1000 1000 1000 960
1000
NS1250 Size per phase
2b 80x5 2b 80x5 2b 80x5 2b 80x5 2b 80x5 2b 80x5 2b 80x5 2b 80x5 2b 80x5 2b 80x5 2b 80x5
b
I (A)
1250 1250 1250 1250 1250 1230 1250 1180 1230 1130 1180
NS1600 Size per phase
2b 100x5 2b 100x5 2b 100x5 2b 100x5 2b 100x5 2b 100x5 2b 100x5 2b 100x5 2b 100x5 2b 100x5 2b 100x5
b
I (A)
1560 1430 1520 1430 1480 1380 1430 1330 1380 1280 1330
b
connection not possible.
Note:
the values indicated above have been validated for Prisma Plus switchboards.
Designing customer
connections
Withdrawable Compact NS630b to
NS1600, rear connection
Additional informations
Designing electrical
characteristics