Description
Main
Range ComPacT new generation
product name ComPacT NSX new generation
Device short name NSX630N
Product or component type Circuit breaker
Device application Distribution
Poles description 3P
Protected poles description 3D
[In] rated current 630 A at 40 °C
[Ue] rated operational voltage 690 V AC 50/60 Hz
network type AC
Network frequency 50/60 Hz
Suitability for isolation Yes conforming to EN/IEC 60947-2
Utilisation category Category A
[Icu] rated ultimate short-circuit
breaking capacity
85 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
50 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
42 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
30 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2
22 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2
10 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
85 kA Icu at 240 V AC 50/60 Hz conforming to UL 60947-4-1
50 kA Icu at 480 V AC 50/60 Hz conforming to UL 60947-4-1
20 kA Icu at 600 V AC 50/60 Hz conforming to UL 60947-4-1
Performance level N 50 kA 415 V AC
Trip unit name MicroLogic 2.3
Trip unit technology Electronic
Trip unit protection functions LSoI
control type Toggle
Circuit breaker mounting mode Fixed
Complementary
[Ui] rated insulation voltage 800 V AC 50/60 Hz
[Uimp] rated impulse withstand
voltage
8 kV
[Ics] rated service short-circuit
breaking capacity
85 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
42 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
11 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2
10 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
Mechanical durability 15000 cycles
Electrical durability 8000 cycles at 440 V In/2
4000 cycles at 440 V In
6000 cycles at 690 V In/2
2000 cycles at 690 V In
Power dissipation per pole 39.7 W
Mounting support Backplate
Mounting position Horizontal and vertical
Flat on the back
Upside connection Front
Downside connection Front
Connection pitch 45 mm
Protection type L : for overload protection (long time)
So : for short time short-circuit protection with fixed delay
I : for instantaneous short-circuit protection
Trip unit rating 630 A at 40 °C
Long-time pick-up adjustment
type Ir (thermal protection)
Adjustable 9 settings
[Ir] long-time protection pick-up
adjustment range
250…630 A
Long-time protection delay
adjustment type tr
Fixed
[tr] long-time protection delay
adjustment range
400 s at 1.5 x Ir
16 s at 6 x Ir
11 s at 7.2 x Ir
Thermal memory 20 minutes before and after tripping
Short-time protection pick-up
adjustment type Isd
Adjustable 9 settings
[Isd] Short-time protection pickup
adjustment range
1.5…10 x Ir
Short-time protection delay
adjustment type tsd
Fixed
Instantaneous protection pick-up
adjustment type Ii
Fixed
[Ii] instantaneous protection pickup
adjustment range
6900 A
Earth-leakage protection Without
Zone selective interlocking ZSI Without
Number of slots for electrical
auxiliaries
6 slot(s)
Local signalling Flashing LED (green) for ready to operate
LED 105 % Ir (red) for overload
LED 90 % Ir (orange) for overload
Width (W) 140 mm
Height (H) 255 mm
Depth (D) 110 mm
Net weight 6.2 kg
Environment
Standards EN/IEC 60947-2
overvoltage category Class II
Electrical shock protection class Class II
Pollution degree 3 conforming to IEC 60664-1
IP degree of protection IP40 conforming to IEC 60529
IK degree of protection IK07 conforming to IEC 62262
Ambient air temperature for
operation
-25…70 °C
Ambient air temperature for
storage
-50…85 °C
Relative humidity 0…95 %
Operating altitude 0…2000 m without derating
2000 m…5000 m with derating





