Schneider LV433931

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Schneider Electric trip unit MicroLogic 4.3 for ComPact NSX 630 circuit breakers, electronic, rating 570A, 3 poles 3d

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Datasheet

Main
Range ComPact
Range of product ComPact NSX400…630
Product or component type Trip unit
Trip unit name MicroLogic 4.3
Trip unit technology Electronic
Range compatibility ComPact NSX630
Device application Distribution
Number of poles 3P
Protected poles description 3t
Neutral position Left
Trip unit protection functions LSoIR
Protection type L : for overload protection (long time)
So : for short time short-circuit protection with fixed delay
I : for instantaneous short-circuit protection
R : for earth-leakage protection
Trip unit rated current 570 A at 40 °C
[Ue] rated operational voltage 440 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 250…570 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
Thermal memory 20 minutes before and after tripping
Short-time protection pick-up adjustment type Isd Adjustable
[Isd] Short-time protection pick-up adjustment range 1.5…10 x Ir
Short-time protection delay adjustment type tsd Fixed
[tsd] Short-time protection delay adjustment range 0.02 s
Instantaneous protection pick-up adjustment type Ii Fixed
[Ii] instantaneous protection pick-up adjustment range 6900 A
Earth-leakage protection Integrated
Earth-leakage protection class Class A
Earth-leakage protection sensitity adjustment type IΔn Adjustable
[IΔn] earth-leakage protection sensitivity adjustment range 10 A
300 mA
5 A
1 A
3 A
500 mA
Earth-leakage protection specific mode OFF using the IΔn rotary switch
Earth-leakage protection time delay adjustement type Δt Adjustable
[Δt] Earth-leakage protection time delay adjustment range 60 ms
0 ms
150 ms
500 ms
1 s
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
Color indicator (yellow) for residual current
Environment
Standards EN 60947-2
NEMA AB1
IEC 60947-2
UL 508
Product certifications CCC
EAC
CB
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 -40…85 °C
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 17.2 cm
Package 1 Width 21.2 cm
Package 1 Length 24.8 cm
Package 1 Weight 1.88 kg
Unit Type of Package 2 S03
Number of Units in Package 2 2
Package 2 Height 30 cm
Package 2 Width 30 cm
Package 2 Length 40 cm
Package 2 Weight 4.26 kg
Contractual warranty
Warranty 18 months

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