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D-34
Masterpact NT06 to NT16
Fixed
DD383671
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, fixed Masterpact NT06/NT16, 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
NT06
Size per phase
1b 50 x 5 1b 50 x 5 1b 50 x 5 1b 50 x 5 1b 50 x 5 1b 50 x 5 1b 50 x 5 1b 50 x 5 1b 50 x 5 1b 50 x 5 1b 50 x 5
b
I (A)
630
630
630
630
630
630
630
630
630
630
630
NT08
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)
800
800
800
800
800
800
800
800
800
800
800
NT10
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 1000 1000
NT12
Size per phase
3b 50 x 5 3b 50 x 5 3b 50 x 5 3b 50 x 5 3b 50 x 5 3b 50 x 5 3b 50 x 5 3b 50 x 5 3b 50 x 5 3b 50 x 5 3b 50 x 5
b
I (A)
1250 1250 1250 1250 1250 1250 1250 1250 1250 1200 1250
NT16
(1)
Size per phase
4b 50 x 5 4b 50 x 5 4b 50 x 5 4b 50 x 5 4b 50 x 5 4b 50 x 5 4b 50 x 5 4b 50 x 5 4b 50 x 5 4b 50 x 5 4b 50 x 5
b
I (A)
1600 1570 1600 1520 1570 1470 1520 1420 1470 1370 1420
(1) Make the neutral connection with two bars, 50 x 5 mm.
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
NT06
Size per phase
1b 60 x 5 1b 60 x 5 1b 60 x 5 1b 60 x 5 1b 60 x 5 1b 60 x 5 1b 60 x 5 1b 60 x 5 1b 60 x 5 1b 60 x 5 1b 60 x 5
b
I (A)
630
630
630
630
630
630
630
630
630
630
630
NT08
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
NT10
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 1000 1000
NT12
Size per phase
2b 60 x 5 2b 60 x 5 2b 60 x 5 2b 60 x 5 2b 60 x 5 2b 60 x 5 2b 60 x 5 2b 60 x 5 2b 60 x 5 2b 60 x 5 2b 60 x 5
b
I (A)
1250 1250 1250 1250 1250 1250 1250 1250 1250 1200 1250
NT16
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)
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 connections
u
630 A
between a device and busbars
Masterpact circuit breakers
Fixed NT06 to NT16
Additional informations
Designing electrical
characteristics