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Schneider Electric 31794 Image
Discontinued

Schneider Electric 31794 Image
Discontinued

circuit breaker Compact NS250H STR22SE - 40 A - 3 poles 3d

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31794  has not been replaced. Please contact your customer care center for more information.
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  • Main
    range of product
    Compact NS100...630
    product or component type
    Circuit breaker
    device short name
    Compact NS250H
    circuit breaker name
    Compact NS250H
    device application
    Distribution
    poles description
    3P
    protected poles description
    3t
    network type
    AC
    DC
    network frequency
    50/60 Hz
    [In] rated current
    220 A 65 °C
    250 A 40 °C
    [Ui] rated insulation voltage
    750 V AC 50/60 Hz conforming to IEC 60947-2
    [Uimp] rated impulse withstand voltage
    8 kV conforming to IEC 60947-2
    [Ue] rated operational voltage
    690 V AC 50/60 Hz conforming to IEC 60947-2
    750 V DC conforming to IEC 60947-2
    breaking capacity code
    H
    breaking capacity
    50 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2
    10 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2
    35 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2
    65 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2
    70 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2
    100 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2
    100 kA at 240 V AC 50/60 Hz conforming to NEMA AB1 HIC
    18 kA at 600 V AC 50/60 Hz conforming to UL 508
    35 kA at 600 V AC 50/60 Hz conforming to NEMA AB1 HIC
    65 kA at 480 V AC 50/60 Hz conforming to NEMA AB1 HIC
    65 kA at 480 V AC 50/60 Hz conforming to UL 508
    85 kA at 240 V AC 50/60 Hz conforming to UL 508
    [Ics] rated service breaking capacity
    Ics 10 kA 660/690 V AC 50/60 Hz conforming to IEC 60947-2
    Ics 100 kA 220/240 V AC 50/60 Hz conforming to IEC 60947-2
    Ics 35 kA 525 V AC 50/60 Hz conforming to IEC 60947-2
    Ics 50 kA 500 V AC 50/60 Hz conforming to IEC 60947-2
    Ics 65 kA 440 V AC 50/60 Hz conforming to IEC 60947-2
    Ics 70 kA 380/415 V AC 50/60 Hz conforming to IEC 60947-2
    utilisation category
    Category A
    trip unit name
    STR22SE
    trip unit technology
    Electronic
    trip unit rating
    36 A ( 70 °C )
    38 A ( 60 °C )
    40 A ( 20 °C )
    protection type
    Short time short-circuit protection
    Overload protection (long time)
    Instantaneous short-circuit protection
    pollution degree
    3 conforming to IEC 60947
    Complementary
    control type
    Toggle
    mounting mode
    Fixed
    mounting support
    Backplate
    upside connection
    Front
    downside connection
    Front
    mechanical durability
    20000 cycles
    electrical durability
    10000 cycles 440 V AC 50/60 Hz In conforming to IEC 60947-2
    20000 cycles 440 V AC 50/60 Hz In/2 conforming to IEC 60947-2
    connection pitch
    35 mm
    local signalling
    Positive contact indication
    long time pick-up adjustment type Ir
    Adjustable 48 settings
    long time pick-up adjustment range
    0.4...1 x In
    long time delay adjustment type
    Fixed
    [tr] long-time delay adjustment range
    90...180 s 1.5 x Ir
    3.2...5 s 7.2 x Ir
    5...7.5 s 6 x Ir
    short-time pick-up adjustment type Isd
    Adjustable 8 settings
    [Isd] short-time pick-up adjustment range
    2...10 x Ir
    short-time delay adjustment type
    Fixed
    [tsd] short-time delay adjustment range
    0.04...0.06 s
    instantaneous pick-up adjustment type Ii
    Fixed
    instantaneous pick-up adjustment range
    >= 11 x In
    display type
    LED
    height
    161 mm
    width
    105 mm
    depth
    86 mm
    Environment
    standards
    IEC 60947-2
    product certifications
    LCIE
    ASEFA
    ASTA
    KEMA
    IP degree of protection
    IP40 conforming to IEC 60529
    IK degree of protection
    IK07 conforming to EN 50102
    ambient air temperature for operation
    -25...70 °C
    ambient air temperature for storage
    -50...85 °C
    Contractual warranty
    Warranty period
    18 months
  • Documents and Downloads

    Language
    • English
    • French
    Substitution document
    Date
    Size
    Add to My Documents
    Guide de substitution Compact NSX100 à 630 (Version 1.1)
  • Technical FAQs

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