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Additional information
Electrical characteristics
Designingconnections
y
630A
Compact circuit breakersNSX100 to630
Compact NSX100 to NSX250
Insulated flexible copper bars
Devices
Rated current of a circuit I
nc
(A)
Ambient temperature around the switchboard
25 °C
30 °C
35 °C
40 °C
45 °C
50 °C
IP
y
55
NSX100
TMD-TMG
Size per phase
20 x 2
20 x 2
20 x 2
20 x 2
20 x 2
20 x 2
I
nc
(A)
100
97.5
95
92.5
90
85
NSX125
TMD-TMG
Size per phase
20 x 2
20 x 2
20 x 2
20 x 2
20 x 2
20 x 2
I
nc
(A)
125
122
119
116
113
100
NSX160
(1)
TMD-TMG
Size per phase
20 x 3
20 x 3
20 x 3
20 x 3
20 x 3
20 x 3
I
nc
(A)
160
156
152
147
144
140
NSX250
(1)
TMD-TMG
Size per phase
20 x 3
20 x 3
20 x 3
20 x 3
20 x 3
20 x 3
I
nc
(A)
250
244
238
231
225
198
NSX100
STR
Size per phase
20 x 2
20 x 2
20 x 2
20 x 2
20 x 2
20 x 2
I
nc
(A)
100
100
100
100
100
100
NSX160
STR
Size per phase
20 x 3
20 x 3
20 x 3
20 x 3
20 x 3
20 x 3
I
nc
(A)
160
160
160
160
160
160
NSX250
(2)
STR
Size per phase
20 x 3
20 x 3
20 x 3
20 x 3
20 x 3
20 x 3
I
nc
(A)
250
250
237.5
237.5
225
225
(1)
For a withdrawable NSX160 or NSX250 equipped with a Vigi or an insulation-monitoring
module, multiply the In values by 0.9.
(2)
For a withdrawable NSX250 equipped with a Vigi or an insulation-monitoring module, multiply
the In values by 0.86.
Compact NSX400 to NSX630
Insulated flexible copper bars
Devices
Rated current of a circuit I
nc
(A)
Ambient temperature around the switchboard
25 °C
30 °C
35 °C
40 °C
45 °C
50 °C
IP
y
55
NSX400B/F/N/H/S/L
fixed
Size per phase
32 x 5
32 x 5
32 x 5
32 x 5
32 x 5
32 x 5
I
nc
(A)
400
400
400
390
380
370
NSX400B/F/N/H/S/L
with Vigi
Size per phase
32 x 5
32 x 5
32 x 5
32 x 5
32 x 5
32 x 5
I
nc
(A)
400
390
380
370
360
350
NSX400B/F/N/H/S/L
withdrawable
Size per phase
32 x 5
32 x 5
32 x 5
32 x 5
32 x 5
32 x 5
I
nc
(A)
400
390
380
370
360
350
NSX630B/F/N/H/S/L
fixed
Size per phase
32 x 6
32 x 6
32 x 6
32 x 6
32 x 6
32 x 6
I
nc
(A)
630
615
600
585
570
550
NSX630B/F/N/H/S/L
with Vigi or
withdrawable
Size per phase
32 x 8
32 x 8
32 x 8
32 x 8
32 x 8
32 x 8
I
nc
(A)
570
550
535
520
505
490
Note:
the values indicated above have been validated for Prisma switchboards.