Global (English)
Welcome to the Schneider Electric corporate Website

ENGLISH | FRENCH

You can choose another country to view available products or go to our Global website for company information.

Choose your country or region
Schneider Electric 31481 Image
Discontinued

Schneider Electric 31481 Image
Discontinued

trip unit - STR22SE OSN - 250 A - 4 poles 3d

Show more characteristics >
31481  has not been replaced. Please contact your customer care center for more information.
Add to My Products Remove from My Products
The maximum number of products that can be compared is 4

  • Main
    range of product
    NS100...250
    NR100...250
    product or component type
    Trip unit
    range compatibility
    Compact NS250
    Compact NR100
    Compact NR250
    device application
    Distribution
    poles description
    4P
    protected poles description
    3t + 1.6 N
    3t
    neutral position
    Left
    network type
    AC
    network frequency
    50/60 Hz
    trip unit name
    STR22SE OSN
    trip unit technology
    Electronic
    trip unit rating
    225 A 70 °C
    250 A 20 °C
    237.5 A 60 °C
    protection type
    Short time short-circuit protection
    Overload protection (long time)
    Complementary
    long time pick-up adjustment type Ir
    Adjustable 48 settings
    [Ir] long time pick-up adjustment range
    0.25...0.63 x In
    long time delay adjustment type
    Fixed
    [tr] long-time delay adjustment range
    90...180 s at 1.5 x Ir
    3.2...5 s at 7.2 x Ir
    5...7.5 s at 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
    display type
    LED
    Environment
    standards
    IEC 60947-2
    product certifications
    ASTA
    ASEFA
    KEMA
    LCIE
    IP degree of protection
    IP40 conforming to IEC 60529
    pollution degree
    3 conforming to IEC 60947
    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
    Catalogue page
    Date
    Size
    Add to My Documents
    Références des Compact NR100 à 630 (Version 5.0)
    Product Environmental Profile
    Date
    Size
    Add to My Documents
    PEP Compact NS100 to NS250 circuit breaker (Version 1.0)
    Substitution document
    Date
    Size
    Add to My Documents
    Guide de substitution Compact NSX100 à 630 (Version 1.1)
  • Technical FAQs

    No results found.
    Unfortunately, related FAQs are unavailable due to temporary technical issues. Please try again later.