Schneider-Electric
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LV433932
trip unit MicroLogic 4.3 for ComPact NSX 400/630 circuit breakers, electronic, rating 400A, 4 poles 4d
Important message Important message: 
This product has been switched to new ComPacT range and is no longer commercialized.
Schneider Electric
Characteristics
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 NSX400
ComPact NSX630
Device application Distribution
Number of poles 4P
Protected poles description 3t
4t
3t + 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 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
Complementary
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 1 A
500 mA
3 A
300 mA
10 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
150 ms
60 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
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
UL 508
IEC 60947-2
NEMA AB1
Product certifications CB
CCC
EAC
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 cm
Package 1 Width 21.4 cm
Package 1 Length 26 cm
Package 1 Weight 2.356 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 5.181 kg
Unit Type of Package 3 P06
Number of Units in Package 3 16
Package 3 Height 75 cm
Package 3 Width 60 cm
Package 3 Length 80 cm
Package 3 Weight 48.44 kg
Offer Sustainability
EU RoHS Directive Compliant
print EU RoHS Declaration
Toxic heavy metal free Yes
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: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Carbon footprint (kg CO2 eq, Total Life cycle) 58
Contractual warranty
Warranty 18 months