Main
Device short name
NSXm 25H
Range
ComPact
circuit breaker mounting mode
By screws
Clip-on
Neutral position
Left
Protected poles description
4D
Product Name
ComPact NSXm
Trip unit name
TM-D
Trip unit technology
Thermal-magnetic
Trip unit rating
25 A at 40 °C
[ui] rated insulation voltage
800 V AC 50/60 Hz
Trip unit protection functions
LI
performance level
H 70 kA 415 V AC
Complementary
9 mm pitches
12 module
[in] rated current
25 A at 40 °C
[ue] rated operational voltage
690 V AC 50/60 Hz
[ics] rated service breaking capacity
100 kA at 220...240 V AC 50/60 Hz conforming to IEC 60947-2
70 kA at 380...415 V AC 50/60 Hz conforming to IEC 60947-2
65 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2
30 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2
22 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
[im] magnetic protection pick-up range
600 A
Control type
Toggle
depth (d)
80 mm
Product certifications
CCC
EAC
Marine
[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
1 Everlink lug wire size 2.5…95 mm², rigid or stranded aluminium/copper
1 Everlink lug wire size 2.5…70 mm², flexible copper
Device application
Distribution
Protection
width (w)
108 mm
network frequency
50/60 Hz
Colour
Grey (RAL 7016)
Ik degree of protection
IK07 conforming to IEC 62262
long-time pick-up adjustment type ir (thermal protection)
Adjustable
Net weight
1.42 kg
long-time protection delay adjustment type tr
Fixed
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
Plate
DIN rail
mechanical durability
20000 cycles
electrical durability
10000 cycles at 440 V In
20000 cycles at 440 V In/2
5000 cycles at 690 V In
10000 cycles at 690 V In/2
Network type
AC
Pollution degree
3 conforming to IEC 60664-1
Suitability for isolation
Yes conforming to EN/IEC 60947-2
Poles description
4P
Utilisation category
Category A
Protection type
L : for overload protection (thermal)
I : for short-circuit protection (magnetic)
Environment
Ambient air temp for storage/transportation
-50…85 °C
ip degree of protection
IP40 conforming to IEC 60529
operating altitude
0...2000 m without derating
2000...5000 m with derating
Range of product
ComPact NSXm
ambient air temperature for operation
-25…70 °C
standards
EN/IEC 60947
relative humidity
0…95 %