Schneider-Electric
 
LV433940 picture- web-product-data-sheet
LV433940
Circuit breaker, ComPact NSX400N, 50kA/415VAC, MicroLogic 4.3 Vigi trip unit 400A, 4 poles 4d
Important message Important message: 
This product has been switched to new ComPacT range and is no longer commercialized. It will continue to be available in H1 2023 only limited to specific projects.
Schneider Electric
Characteristics
Main
Range ComPact
Product name ComPact NSX
Range of product ComPact NSX400...630
Device short name VigiCompact NSX400N
Product or component type Earth leakage circuit breaker
Device application Distribution
Number of poles 4P
Protected poles description 4t
3t
3t + N/2
Neutral position Left
[In] rated current 400 A at 40 °C
[Ue] rated operational voltage 440 V AC 50/60 Hz
Network type AC
Network frequency 50/60 Hz
Suitability for isolation Yes conforming to EN/IEC 60947-2
Utilisation category Category A
[Icu] rated ultimate short-circuit breaking capacity 85 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
50 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
42 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
Performance level N 50 kA 415 V AC
Trip unit name MicroLogic 4.3
Trip unit technology Electronic
Trip unit protection functions LSoIR
Control type Toggle
Circuit breaker mounting mode Fixed
Complementary
[Ui] rated insulation voltage 500 V AC 50/60 Hz
[Uimp] rated impulse withstand voltage 8 kV
[Ics] rated service short-circuit breaking capacity 85 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
50 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
42 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2
Mechanical durability 15000 cycles
Electrical durability 6000 cycles at 440 V In
12000 cycles at 440 V In/2
Mounting support Backplate
Upside connection Front
Downside connection Front
Connection pitch 45 mm
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 400 A at 40 °C
Long-time pick-up adjustment type Ir (thermal protection) Adjustable 9 settings
[Ir] long-time protection pick-up adjustment range 160...400 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 4800 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 300 mA
500 mA
1 A
3 A
5 A
10 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
Neutral protection settings 0.5 x Ir (3t + N/2)
1 x Ir (4t)
No protection (3t)
Zone selective interlocking ZSI Without
Number of slots for electrical auxiliaries 6 slot(s)
Local signalling Flashing LED (green) for ready to operate
LED 105 % Ir (red) for overload
LED 90 % Ir (orange) for overload
Width (W) 140 mm
Height (H) 161 mm
Depth (D) 86 mm
Net weight 2.4 kg
Environment
Standards EN/IEC 60947
Product certifications CCC
EAC
Marine
Overvoltage category Class II
Electrical shock protection class Class II
Pollution degree 3 conforming to IEC 60664-1
IP degree of protection IP40 conforming to IEC 60529
IK degree of protection IK07 conforming to IEC 62262
Ambient air temperature for operation -25…70 °C
Ambient air temperature for storage -40…85 °C
Relative humidity 0…95 %
Operating altitude 0...2000 m without derating
2000 m...5000 m with derating
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 15.300 cm
Package 1 Width 20.200 cm
Package 1 Length 29.300 cm
Package 1 Weight 7.715 kg
Offer Sustainability
EU RoHS Directive Compliant with Exemptions
Mercury free Yes
RoHS exemption information
print Yes
China RoHS Regulation
print China RoHS declaration
Environmental Disclosure
print Product Environmental Profile
Circularity Profile
print End of Life Information
WEEE The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins
California proposition 65 WARNING: This product can expose you to chemicals including: DINP, which is known to the State of California to cause cancer, and DIDP, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Contractual warranty
Warranty 18 months