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Compact NS630b to NS1600
Fixed
Dd383543
Determining the size of the copper bars and the maximum permissible currents when
making a customer connection for a vertical, fixed 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 970
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 1250 1250 1200 1250 1150 1200
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)
1600 1550 1600
1500
1550 1450 1500 1400 1450 1350 1400
b
connection not possible.
Note:
the values indicated above have been validated for Prisma Plus switchboards.
Designing customer
connections
Fixed Compact NS630b to NS1600
Rear connection
D-62
Additional informations
Designing electrical
characteristics