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NSN 5925-01-312-3378

Overload Switch

About this product

Multipole-single actuator type body style, metal case material, at 3 oclock and at 9 oclock nonturn device location, fragility factor: moderately rugged.

Manufacturer part number M39019/3-304 for national stock number 5925013123378.

Datasheet

  • Product description

    Circuit Breaker NSN 5925-01-312-3378.

  • MPN or Model

    M39019/3-304

  • 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.)
    0.3 lb
  • Body Style
    Multipole-single actuator type
  • Bushing Length
    Between 0.332 inches and 0.380 inches
  • Body Length
    1.562 inches
  • Body Width
    1.281 inches
  • Case Material
    Metal
  • Center To Center Distance Between Terminals Parallel To Length
    0.906 inches
  • Center To Center Distance Between Terminals Parallel To Width
    Between 0.594 inches and 0.656 inches
  • Nonturn Device Location
    At 3 oclock and at 9 oclock
  • Nonturn Device Radius
    Between 0.594 inches and 0.656 inches
  • Nonturn Device Length
    Between 0.099 inches and 0.161 inches
  • Nonturn Device Diameter
    Between 0.219 inches and 0.281 inches
  • Fragility Factor
    Moderately rugged
  • Mounting Surface To Terminal End Distance
    1.828 inches
  • Pole Quantity
    2
  • Arc Quenching Method
    Magnetic blowout
  • Mounting Facility Type And Quantity
    1 threaded bushing w/panel seal
  • Storage Type
    General purpose warehouse
  • Features Provided
    High inrush protection
  • Thready Qty Per Inch (tpi)
    32
  • Maximum Continuous Load Current Rating Per Pole
    250.0 milliamperes ac all locations and 250.0 milliamperes dc all locations
  • Operating Voltage Type And Rating Per Pole In Volts
    240.0 ac all locations and 50.0 dc all locations
  • Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
    300.0 ac all locations and 500.0 dc 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
    150.0 all locations
  • Reset Method
    Manual
  • Main Contact Tripping Mechanism Type
    Trip free
  • Manual Actuator Type And Quantity
    1 toggle
  • Actuator Function
    Trip-reset
  • Actuator Position Designation
    Between pole one and two
  • Internal Trip Release Configuration
    Series trip all locations
  • Thread Size
    0.375 inches
  • Trip Delay Time In Seconds Per Rated Continuous Current
    0.055 at 200 pct all locations and 0.950 at 200 pct all locations
  • Inclosure Protection Type For Which Designed
    Hermetically sealed
  • Frequency In Hertz
    400.0 all locations
  • Test Data Document
    81349-mil-c-39019 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
    Unef
  • Terminal Type And Quantity
    4 wire hook
  • Specification Data
    81349-mil-c-39019/3 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 5925013123378

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
M39019/3-304 Military Specifications
M39019/03-304 Military Specifications
MIL-C-39019/3 Military Specifications
MIL-PRF-39019/3 Military Specifications
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