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Schneider Electric LV433888 Image

LV433888

Schneider Electric LV433888 Image
LV433888

circuit breaker Compact NSX250 4P 25kA - Micrologic 4.2 AB Vigi 240A

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  • Main
    range
    Compact
    product or component type
    Earth leakage circuit breaker
    device short name
    VigiCompact NSX250B
    device application
    Special application
    Breaking capacity code
    B 25 kA 415 V AC
    trip unit rating
    250 A at 40 °C
    Complementary
    poles description
    4P
    protected poles description
    3t + N/2
    3t
    4t
    neutral position
    Left
    network type
    AC
    network frequency
    50/60 Hz
    control type
    Toggle
    mounting mode
    Fixed
    mounting support
    Backplate
    upside connection
    Front
    downside connection
    Front
    [In] rated current
    250 A at 40 °C
    [Ui] rated insulation voltage
    500 V AC 50/60 Hz
    [Uimp] rated impulse withstand voltage
    8 kV
    [Ue] rated operational voltage
    440 V AC 50/60 Hz
    breaking capacity
    20 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
    25 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
    40 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
    [Ics] rated service breaking capacity
    20 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2
    25 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
    40 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
    suitability for isolation
    Yes conforming to EN 60947-2
    Yes conforming to IEC 60947-2
    utilisation category
    Category A
    mechanical durability
    20000 cycles
    electrical durability
    10000 cycles 440 V In conforming to IEC 60947-2
    20000 cycles 440 V In/2 conforming to IEC 60947-2
    connection pitch
    35 mm
    instantaneous pick-up
    2880 A
    trip unit name
    Micrologic 4.2 AB
    trip unit technology
    Electronic
    trip unit protection functions
    LSoIR
    protection type
    L : for overload protection (long time)
    S : for short time short-circuit protection
    I : for instantaneous short-circuit protection
    R : for earth-leakage protection
    long time pick-up adjustment type Ir
    Adjustable 9 settings
    long time pick-up adjustment range
    140...240 A
    long time delay adjustment type
    Fixed
    [tr] long-time 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 pick-up adjustment type Isd
    Adjustable
    [Isd] short-time pick-up adjustment range
    1.5...10 x Ir
    short-time delay adjustment type
    Fixed
    [tsd] short-time delay pick-up
    0.02 s
    instantaneous pick-up adjustment type Ii
    Fixed
    earth-leakage protection class
    Type A
    earth-leakage protection
    Integrated
    [I∆n] residual earth-leakage sensitive adjustment
    30 mA
    100 mA
    300 mA
    500 mA
    1 A
    3 A
    5 A
    earth leakage specific mode
    OFF using the IΔn rotary switch
    earth-leakage time delay type
    Adjustable
    [Δt] earth-leakage time delay pick-up adjustment range
    0 ms
    60 ms
    150 ms
    500 ms
    1 s
    overvoltage category
    Class II
    electrical shock protection class
    Class II
    local signalling
    LED 105 % Ir
    LED ready
    LED 90 % Ir
    height
    161 mm
    width
    140 mm
    depth
    86 mm
    Environment
    standards
    EN 60947-2
    IEC 60947-2
    NEMA AB1
    UL 508
    product certifications
    CCC
    EAC
    CB
    IP degree of protection
    IP40 conforming to IEC 60529
    IK degree of protection
    IK07 conforming to IEC 62262
    pollution degree
    3 conforming to IEC 60664-1
    ambient air temperature for operation
    -25…70 °C
    ambient air temperature for storage
    -55…85 °C
    net weight
    2.8 kg
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