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NSN 5925-00-252-1554

Overload Switch

About this product

Multipole-single actuator type body style, plastic case material, 3 poles, maximum continuous load current rating per pole: 125.0 amperes ac all locations.

Manufacturer part number KA3125STYLE4282983 for national stock number 5925002521554.

Datasheet

  • Product description

    Circuit Breaker NSN 5925-00-252-1554.

  • MPN or Model

    KA3125STYLE4282983

  • 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-single actuator type
  • Body Length
    10.125 inches
  • Body Width
    5.500 inches
  • Body Height
    4.062 inches
  • Case Material
    Plastic
  • Center To Center Distance Between Terminals Parallel To Length
    8.875 inches
  • Center To Center Distance Between Terminals Parallel To Width
    1.359 inches
  • Unthreaded Mounting Hole Diameter
    0.281 inches
  • Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
    8.437 inches
  • Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
    1.359 inches
  • Boss Height
    0.260 inches
  • Pole Quantity
    3
  • Mounting Facility Type And Quantity
    4 unthreaded hole
  • Maximum Continuous Load Current Rating Per Pole
    125.0 amperes ac all locations
  • Operating Voltage Type And Rating Per Pole In Volts
    600.0 ac all locations
  • Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
    2500.0 ac all locations
  • Circuit Protection Type
    Overcurrent all locations
  • Trip Release Method
    Thermal-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
    1 toggle
  • Actuator Function
    Trip-reset
  • Actuator Position Designation
    At pole two
  • Trip Delay Time In Seconds Per Rated Continuous Current
    160.000 at 200 pct all locations and 500.000 at 200 pct all locations
  • Inclosure Protection Type For Which Designed
    Fungus resistant and moisture resistant
  • Trip Release Ambient Tempurature Rating
    40.0 degrees celsius all locations
  • Frequency In Hertz
    60.0 all locations
  • Terminal Type And Quantity
    6 compression
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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 5925002521554

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
KA3125STYLE4282983 Westinghouse Electric Corp
803005-0-169 Electric Boat Corporation
1349-12 Regulators Products Group Of Ward
803005-0-169 Electric Boat Corp
Stock Check
Availability for this item was last checked on 10/24/22. The quantities and conditions available at the time were:
  • NS: 54
  • AR: 1
  • NE: 36
  • OH: 1