Schneider C2544B250


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Schneider Electric Trip unit MicroLogic Vigi 4.2AB, ComPacT NSX250, 4P, basic and earth leakage protections, special applications, 240A

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Range ComPacT new generation
Range of product ComPacT NSX100…250 new generation
Product or component type Trip unit
Trip unit name MicroLogic 4.2 AB
Trip unit technology Electronic
Range compatibility ComPacT new generation NSX250
Device application Special application
Poles description 4P
Protected poles description 3D + N/2
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 rating 250 A at 40 °C
[Ue] rated operational voltage 440 V AC 50/60 Hz
Network type AC
Network frequency 50/60 Hz
Circuit breaker mounting mode Fixed
Long-time pick-up adjustment type Ir (thermal protection) Adjustable
[Ir] long-time protection pick-up adjustment range 140…240 A
Long-time protection delay adjustment type tr Fixed
[tr] long-time protection delay adjustment range 0.35 s at 7.2 x Ir
0.5 s at 6 x Ir
15 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
[Isd] Short-time protection pick-up 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 pick-up adjustment range 2880 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 0.03 A
0.1 A
0.3 A
0.5 A
1 A
3 A
5 A
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 0 ms
60 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
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 -40…85 °C
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 9.5 cm
Package 1 Width 11.0 cm
Package 1 Length 15.0 cm
Package 1 Weight 776.0 g
Unit Type of Package 2 S03
Number of Units in Package 2 10
Package 2 Height 30.0 cm
Package 2 Width 30.0 cm
Package 2 Length 40.0 cm
Package 2 Weight 8.15 kg

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