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NSN 5925-01-027-6443

Overload Switch

About this product

Multipole-multiple actuator type body style, plastic case material, moderately rugged fragility factor, pole quantity: 3.

Manufacturer part number JA3A3A7-5-2 for national stock number 5925010276443.

Datasheet

  • Product description

    Circuit Breaker NSN 5925-01-027-6443.

  • MPN or Model

    JA3A3A7-5-2

  • 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
  • Body Style
    Multipole-multiple actuator type
  • Body Length
    Between 1.985 inches and 2.015 inches
  • Body Width
    Between 2.245 inches and 2.255 inches
  • Case Material
    Plastic
  • Center To Center Distance Between Terminals Parallel To Length
    Between 1.555 inches and 1.565 inches
  • Center To Center Distance Between Terminals Parallel To Width
    Between 0.745 inches and 0.755 inches
  • Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
    Between 1.655 inches and 1.665 inches
  • Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
    Between 0.745 inches and 0.755 inches
  • Fragility Factor
    Moderately rugged
  • Boss Height
    Between 0.125 inches and 0.135 inches
  • Mounting Surface To Terminal End Distance
    Between 1.835 inches and 1.845 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
    7.5 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
    1000.0 ac all locations
  • Circuit Protection Type
    Overcurrent all locations
  • Trip Release Method
    Magnetic-hydraulic 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
    2.000 at 200 pct all locations and 20.000 at 200 pct all locations
  • Inclosure Protection Type For Which Designed
    Dustproof
  • Frequency In Hertz
    60.0 all locations
  • Thread Series Designator
    Unc
  • Terminal Type And Quantity
    6 tab, solder lug
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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 5925010276443

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
JA3A3A7-5-2 Data Products Corp
JA3-A3-A-7.5-2 Eaton Corp
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