305 / 356
D-57
Masterpact NT06 to NT16
Fixed
DD383678
Using the data below, it is possible to determine the size of the copper bars and the
maximum permissible currents when making a customer connection for a vertical,
fixed Masterpact NT06/NT16, 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 busbars, 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
NT06
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
NT08
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
NT10
Size per phase
2b 50x5 2b 50x5 2b 50x5 2b 50x5 2b 50x5 2b 50x5 2b 50x5 2b 50x5 2b 50x5 2b 50x5 2b 50x5
b
I (A)
1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000
NT12
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 1250 1250 1200 1250
NT16
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 1570 1600 1520 1570 1470 1520 1420 1470 1370 1420
b
connection not possible.
Note:
the values indicated above have been validated for Prisma Plus switchboards.
Designing customer
connections
Fixed Masterpact NT06 to NT16
Rear connection
Additional informations
Designing electrical
characteristics