Schneider Electric LV432094 trip unit MicroLogic 5.3 A for ComPact NSX 400/630 A circuit breakers, electronic, rating 400A, 4 poles 4d



The Schneider Electric LV432094 trip unit MicroLogic 5.3 A is a black thermal circuit breaker designed for industrial applications. It features a switch control style, instantaneous break time, and overload protection properties. With an IP40 rating and screw terminal electrical connection, this unit is suitable for interior use in any room. It is compatible with wire gauges ranging from 21-25 AWG and offers a reliable solution for protecting electrical circuits in a variety of settings.

Main
RangeComPact
Range of productComPact NSX400...630
Product or component typeTrip unit
Trip unit nameMicroLogic 5.3 A
Trip unit technologyElectronic
Range compatibilityComPact NSX400
ComPact NSX630
Device applicationDistribution
Number of poles4P
Protected poles description4t
3t + OSN
3t
3t + N/2
Neutral positionLeft
Trip unit protection functionsLSI
Protection typeL : for overload protection (long time)
S : for short time short-circuit protection
I : for instantaneous short-circuit protection
Trip unit rated current400 A at 40 °C
[Ue] rated operational voltage690 V AC 50/60 Hz
Network typeAC
Network frequency50/60 Hz
Complementary
Long-time pick-up adjustment type Ir (thermal protection)Adjustable 9 settings
[Ir] long-time protection pick-up adjustment range160...400 A
Long-time protection delay adjustment type trAdjustable
[tr] long-time protection delay adjustment range15…400 s at 1.5 x Ir
0.35…11 s at 7.2 x Ir
0.5…16 s at 6 x Ir
Thermal memory20 minutes before and after tripping
Short-time protection pick-up adjustment type IsdAdjustable 9 settings
[Isd] Short-time protection pick-up adjustment range1.5...10 x Ir
Short-time protection delay adjustment type tsdAdjustable
[tsd] Short-time protection delay adjustment range0…0.4 s I²t=off
0.1…0.4 s I²t=on
Instantaneous protection pick-up adjustment type IiAdjustable
[Ii] instantaneous protection pick-up adjustment range1.5...12 x In
Earth-leakage protectionWithout
Neutral protection settings0.5 x Ir (3t + N/2)
1 x Ir (4t)
1.6 x Ir (3t + OSN)
No protection (3t)
Zone selective interlocking ZSIWith
Local signallingFlashing LED (green) for ready to operate
LED 105 % Ir (red) for overload
LED 90 % Ir (orange) for overload
Display typeLCD display
Type of measurementAmmeter
Communication of dataMaintenance indicators
Instantaneous and demand values
Energy metering
Time-stamped histories and event tables
Power quality
Demand current and power
Protection and alarm settings
Maximeters/minimeters
Electrical data recordingMaintenance indicators