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NSN 5925-01-489-0379

Overload Switch

About this product

Maximum resistance or impedance .0038 ohms.

Manufacturer part number M55629/5-449 for national stock number 5925014890379.

Datasheet

  • Product description

    Circuit Breaker NSN 5925-01-489-0379.

  • MPN or Model

    M55629/5-449

  • Schedule B
    8536.20.0040 (Automatic circuit breakers, for a voltage not exceeding 1, 000 v, nesoi)
  • NMF (National Motor Freight)
    061300 - Circuit Breaker/switch NOI
  • Unit Weight (Est.)
    0.7 lb
  • Body Style
    Multipole-multiple actuator type
  • Body Length
    2.510 inches
  • Body Width
    Between 2.156 inches and 2.344 inches
  • Case Material
    Plastic
  • Center To Center Distance Between Terminals Parallel To Length
    Between 1.660 inches and 1.960 inches
  • Center To Center Distance Between Terminals Parallel To Width
    Between 0.719 inches and 0.781 inches
  • Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
    Between 2.046 inches and 2.078 inches
  • Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
    Between 0.719 inches and 0.781 inches
  • Fragility Factor
    Moderately rugged
  • End Application
    M3p reu-l
  • Boss Height
    Between 0.109 inches and 0.171 inches
  • Mounting Surface To Terminal End Distance
    2.553 inches
  • Pole Quantity
    3
  • Arc Quenching Method
    Magnetic blowout
  • Mounting Facility Type And Quantity
    6 threaded hole
  • Storage Type
    General purpose warehouse
  • Thready Qty Per Inch (tpi)
    32
  • Maximum Continuous Load Current Rating Per Pole
    40.0 amperes ac all locations
  • Operating Voltage Type And Rating Per Pole In Volts
    240.0 ac all locations
  • Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
    1000.0 ac all locations
  • Circuit Protection Type
    Overcurrent all locations
  • Trip Release Method
    Magnetic all locations
  • Trip Release Characteristic
    Time delay all locations
  • Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
    125.0 all locations
  • Reset Method
    Manual
  • Main Contact Tripping Mechanism Type
    Trip free
  • Manual Actuator Type And Quantity
    3 toggle
  • Actuator Function
    Trip-reset
  • Actuator Position Designation
    At each pole
  • External Actuator Linkage Arrangement
    One, two, and three linked
  • Internal Trip Release Configuration
    Series trip all locations
  • Thread Size
    0.138 inches
  • Trip Delay Time In Seconds Per Rated Continuous Current
    5.000 at 200 pct all locations and 500.000 at 200 pct all locations
  • Inclosure Protection Type For Which Designed
    Fungus resistant and moisture resistant
  • Frequency In Hertz
    60.0 all locations
  • Test Data Document
    81349-mil-prf-55629 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
  • Thread Series Designator
    Unc
  • Terminal Type And Quantity
    6 threaded stud
  • Specification Data
    81349-mil-prf-55629/5 government specification
More from these suppliers
Circuit Breaker

A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see relay (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see relay-switch. Excludes circuit breaker box and magneto "breaker" assemblies. See also switch (as modified); and controller.

Mechanic Bill explains Overload Switch

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NSN 5925014890379

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
M55629/5-449 Military Specifications
MIL-PRF-55629/5 Military Specifications
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