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 M
Trip unit technology Electronic
Range compatibility ComPacT new generation NSX400
ComPacT new generation NSX630
Device application Motor
Poles description 3P
Protected poles description 3D
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 320 A at 65 °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
Motor tripping class 10
20
5
Complementary motor protection Phase unbalance
Long-time pick-up adjustment
type Ir (thermal protection)
Adjustable 9 settings
[Ir] long-time protection pick-up
adjustment range
160…320 A
Long-time protection delay
adjustment type tr
Fixed
[tr] long-time protection delay
adjustment range
120 s at 1.5 x Ir for trip class 5
6.5 s at 6 x Ir for trip class 5
5 s at 7.2 x Ir for trip class 5
240 s at 1.5 x Ir for trip class 10
13.5 s at 6 x Ir for trip class 10
10 s at 7.2 x Ir for trip class 10
480 s at 1.5 x Ir for trip class 20
26 s at 6 x Ir for trip class 20
20 s at 7.2 x Ir for trip class 20
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
5…13 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 95 % Ith (red) for temperature over set point
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
