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NSN 5925-00-140-2359

Overload Switch

About this product

Multipole-multiple actuator type body style, plastic case material, 4 poles, thready qty per inch (tpi): 32.

Manufacturer part number SM-A-742927-3 for national stock number 5925001402359.

Datasheet

  • Product description

    Circuit Breaker NSN 5925-00-140-2359.

  • MPN or Model

    SM-A-742927-3

  • 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.)
    0.5 lb
  • Body Style
    Multipole-multiple actuator type
  • Body Length
    4.750 inches
  • Body Width
    4.199 inches
  • Case Material
    Plastic
  • Center To Center Distance Between Terminals Parallel To Length
    3.547 inches
  • Center To Center Distance Between Terminals Parallel To Width
    1.031 inches
  • Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
    2.750 inches
  • Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
    1.031 inches
  • Boss Height
    0.219 inches
  • Mounting Surface To Terminal End Distance
    3.234 inches
  • Pole Quantity
    4
  • Mounting Facility Type And Quantity
    8 threaded hole
  • Thready Qty Per Inch (tpi)
    32
  • Maximum Continuous Load Current Rating Per Pole
    30.0 amperes ac all locations
  • Operating Voltage Type And Rating Per Pole In Volts
    250.0 ac all locations
  • Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
    500.0 ac all locations
  • Circuit Protection Type
    Overcurrent all locations
  • Trip Release Method
    Magnetic all locations
  • Trip Release Characteristic
    Time delay first location
  • 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
    4 toggle
  • Actuator Function
    Trip-reset
  • Actuator Position Designation
    At each pole
  • External Actuator Linkage Arrangement
    One, two, three, and four linked
  • Internal Trip Release Configuration
    Series trip third location
  • Thread Size
    0.138 inches
  • Trip Delay Time In Seconds Per Rated Continuous Current
    6.000 at 200 pct third location and 20.000 at 200 pct third location
  • Inclosure Protection Type For Which Designed
    Fungus resistant and moisture resistant
  • Frequency In Hertz
    400.0 all locations
  • Thread Series Designator
    Unc
  • Terminal Type And Quantity
    10 threaded stud
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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 5925001402359

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SM-A-742927-3 Us Army Communications &
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