Main
Device short name
NSXm 63N
Range
ComPacT new generation
circuit breaker mounting mode
Fixed
Neutral position
Left
Protected poles description
3D
Product Name
ComPacT NSXm new generation
Trip unit name
TM-D
Trip unit technology
Thermal-magnetic
Trip unit rating
50 A at 40 °C
[ui] rated insulation voltage
800 V AC 50/60 Hz
Trip unit protection functions
LI
performance level
N 50 kA 415 V AC
Complementary
9 mm pitches
12 module
[ii] instantaneous pick-up adjustment range
600 A
[in] rated current
50 A at 40 °C
[ue] rated operational voltage
690 V AC 50/60 Hz
[ics] rated service breaking capacity
90 kA at 220...240 V AC 50/60 Hz conforming to IEC 60947-2
50 kA at 380...415 V AC 50/60 Hz conforming to IEC 60947-2
50 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2
25 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2
15 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2
2.5 kA at 660...690 V AC 50/60 Hz conforming to IEC 60947-2
Control type
Toggle
depth (d)
80 mm
[ir] long-time protection pick-up adjustment range
0.7...1 x In
Connection pitch
35 mm with spreaders
27 mm without spreaders
Handle front plate colour
137 mm
Product or component type
Circuit breaker
[uimp] rated impulse withstand voltage
8 kV
connection terminals
compression lug/busbar
Device application
Distribution
width (w)
108 mm
network frequency
50/60 Hz
Colour
Grey (RAL 7016)
Ik degree of protection
IK07 conforming to IEC 62262
Local signalling
Flag (green) for presence of auxiliary contacts
long-time pick-up adjustment type ir (thermal protection)
Adjustable
Net weight
1.42 kg
long-time protection delay adjustment type tr
Fixed
Downside connection
Front
number of slots for electrical auxiliaries
1 slot(s) for auxiliary switch OF
1 slot(s) for alarm switch SD
1 slot(s) for voltage release MN or MX
Earth-leakage protection
Without
Mounting support
Backplate
power dissipation per pole
4.81 W
mechanical durability
20000 cycles
neutral protection setting
No protection (3D)
electrical durability
20000 cycles at 440 V In/2
10000 cycles at 440 V In
10000 cycles at 690 V In/2
5000 cycles at 690 V In
Network type
AC
instantaneous protection pick-up adjustment type ii
Fixed
Pollution degree
3 conforming to IEC 60664-1
mounting position
Horizontal and vertical
Flat on the back
Suitability for isolation
Yes conforming to IEC 60947-2
Poles description
4P
Upside connection
Front
Utilisation category
Category A
Environment
Ambient air temp for storage/transportation
-50…85 °C
ip degree of protection
IP40 conforming to IEC 60529
operating altitude
2000 m without derating
5000 m with derating
Range of product
ComPacT NSXm new generation
ambient air temperature for operation
-25…70 °C
standards
EN/IEC 60947
relative humidity
0…95 %