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D-32
Masterpact NW08 to NW32
Drawout, top or bottom
connection
DD383669
1
Connection.
2
Horizontal link.
Using the data below, it is possible to determine the size of the copper bars and the
maximum permissible currents when making the connections to busbars for a
vertical, drawout Masterpact NW08/NW32, front or rear connection, taking into
account the ambient temperature around the switchboard and the IP value.
Connection
Flat bars, 5 mm thick
Device
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
NW08
Size per phase
1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5
b
I (A)
800
800
800
800
800
800
800
800
800
800
800
NW10
Size per phase
1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5
b
I (A)
1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000
NW12
Size per phase
2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5
b
I (A)
1250 1250 1250 1250 1250 1230 1250 1200 1230 1160 1200
NW16
Size per phase
2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5
b
I (A)
1560 1480 1520 1430 1480 1380 1430 1330 1380 1280 1330
Horizontal link
Flat bars, 5 mm thick
Device
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
NW08
Size per phase
1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5
b
I (A)
800
800
800
800
800
800
800
800
800
800
800
NW10
Size per phase
1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5 1b 80 x 5
b
I (A)
1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000
NW12
Size per phase
2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5
b
I (A)
1250 1250 1250 1250 1250 1230 1250 1200 1230 1160 1200
NW16
Size per phase
2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5 2b 80 x 5
b
I (A)
1560 1480 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 connections
u
630 A
between a device and busbars
Drawout Masterpact NW08 to NW32
Front or rear connection
Additional informations
Designing electrical
characteristics