Schneider-Electric
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LV433889
trip unit MicroLogic 4.2 AL for ComPact NSX 100/160/250 circuit breakers, electronic, rating 40A, 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 NSX100...250
Product or component type Trip unit
Trip unit name MicroLogic 4.2 AL
Trip unit technology Electronic
Range compatibility ComPact NSX100
ComPact NSX160
ComPact NSX250
Device application Distribution
Number of poles 4P
Protected poles description 3t
3t + N/2
4t
Neutral position Left
Trip unit protection functions LSoI
Protection type L : for overload protection (long time)
So : for short time short-circuit protection with fixed delay
I : for instantaneous short-circuit protection
Trip unit rated current 40 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 18...40 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 600 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
5 A
30 mA
100 mA
3 A
1 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 150 ms
0 ms
1 s
500 ms
60 ms
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 UL 508
NEMA AB1
EN 60947-2
IEC 60947-2
Product certifications CB
CCC
EAC
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 9.1 cm
Package 1 Width 9.8 cm
Package 1 Length 14.0 cm
Package 1 Weight 671.0 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 8.48 kg
Offer Sustainability
Sustainable offer status Green Premium product
EU RoHS Directive Compliant
print EU RoHS Declaration
Mercury free Yes
China RoHS Regulation
print China RoHS declaration
RoHS exemption information
print Yes
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
Contractual warranty
Warranty 18 months