Description
Main
Range ComPacT new generation
Range of product ComPacT NSX400…630 new generation
Product or component type Trip unit
Trip unit name MicroLogic 2.3
Trip unit technology Electronic
Range compatibility ComPacT new generation NSX400
ComPacT new generation NSX630
Device application Distribution
Poles description 4P
Protected poles description 3D + N/2
4D
3D
Neutral position Left
Trip unit protection functions LSoI
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 400 A at 40 °C
[Ue] rated operational voltage 690 V AC 50/60 Hz
network type AC
Network frequency 50/60 Hz
Circuit breaker mounting mode Fixed
Complementary
Long-time pick-up adjustment
type Ir (thermal protection)
Adjustable 9 settings
[Ir] long-time protection pick-up
adjustment range
160…400 A
Long-time protection delay
adjustment type tr
Fixed
[tr] long-time protection delay
adjustment range
11 s at 7.2 x Ir
16 s at 6 x Ir
400 s at 1.5 x Ir
Neutral protection settings 0.5 x Ir (3D + N/2)
1 x Ir (4D)
No protection (3D)
Thermal memory 20 minutes before and after tripping
Short-time protection pick-up
adjustment type Isd
Adjustable 9 settings
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
4800 A
Earth-leakage protection Without
Zone selective interlocking ZSI Without
Local signalling Flashing LED (green) for ready to operate
LED 105 % Ir (red) for overload
LED 90 % Ir (orange) for overload
Environment
Standards EN/IEC 60947-2
Electrical shock protection class Class II
Pollution degree 3 conforming to IEC 60947-1
IP degree of protection IP40 conforming to IEC 60529
Ambient air temperature for
operation
-25…70 °C
Ambient air temperature for
storage
-50…85 °C
