Schneider LV431515

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Schneider Electric trip unit MicroLogic 6.2 A for ComPact NSX 250 circuit breakers, electronic, rating 250A, 4 poles 4d

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Datasheet

Main
Range ComPact
Range of product ComPact NSX100…250
Product or component type Trip unit
Trip unit name MicroLogic 6.2 A
Trip unit technology Electronic
Range compatibility ComPact NSX250
Device application Distribution
Number of poles 4P
Protected poles description 3t + OSN
3t + N/2
4t
3t
Neutral position Left
Trip unit protection functions LSIG
Protection type L : for overload protection (long time)
S : for short time short-circuit protection
I : for instantaneous short-circuit protection
G : for ground fault protection
Trip unit rated current 250 A at 40 °C
[Ue] rated operational voltage 690 V AC 50/60 Hz
Network type AC
Network frequency 50/60 Hz
Complementary
Long-time pick-up adjustment type Ir (thermal protection) Adjustable 9 settings
[Ir] long-time protection pick-up adjustment range 100…250 A
Long-time protection delay adjustment type tr Adjustable
[tr] long-time protection delay adjustment range 15…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 memory 20 minutes before and after tripping
Short-time protection pick-up adjustment type Isd Adjustable 9 settings
[Isd] Short-time protection pick-up adjustment range 1.5…10 x Ir
Short-time protection delay adjustment type tsd Adjustable
[tsd] Short-time protection delay adjustment range 0…0.4 s I²t=off
0.1…0.4 s I²t=on
Instantaneous protection pick-up adjustment type Ii Adjustable
[Ii] instantaneous protection pick-up adjustment range 1.5…12 x In
Ground-fault protection pick-up adjustment type Ig Adjustable
[Ig] ground-fault protection pick-up adjustment range 0.2…1 x In for In = 40 A
0.4…1 x In for In > 40 A
Ig enable on/off
Ground-fault protection time delay adjustment type tg Adjustable
[tg] ground-fault protection time delay adjustment range 0…0.4 s I²t=off
0.1…0.4 s I²t=on
Earth-leakage protection Without
Neutral protection settings 0.5 x Ir (3t + N/2)
1 x Ir (4t)
1.6 x Ir (3t + OSN)
No protection (3t)
Zone selective interlocking ZSI With
Local signalling Flashing LED (green) for ready to operate
LED 105 % Ir (red) for overload
LED 90 % Ir (orange) for overload
Display type LCD display
type of measurement Ammeter
Communication of data Maintenance indicators
Maximeters/minimeters
Instantaneous and demand values
Energy metering
Power quality
Time-stamped histories and event tables
Demand current and power
Protection and alarm settings
Electrical data recording Maintenance indicators
Environment
Standards UL 508
EN/IEC 60947-2
Product certifications CCC
EAC
Marine
Ambient air temperature for operation -25…70 °C
Ambient air temperature for storage -40…85 °C
Contractual warranty
Warranty 18 months

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