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NSN 5925-00-557-1916

Overload Switch

About this product

Rectangular dimensional envelope body style, 2 poles, 500.0 amperes dc all locations maximum continuous load current rating per pole, operating voltage type and rating per pole in volts: 250.0 dc all locations.

Manufacturer part number 37J498 for national stock number 5925005571916.

Datasheet

  • Product description

    Circuit Breaker NSN 5925-00-557-1916.

  • MPN or Model

    37J498

  • 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
    Rectangular dimensional envelope
  • Overall Length
    22.000 inches
  • Overall Height
    12.625 inches
  • Overall Width
    20.000 inches
  • Unthreaded Mounting Hole Diameter
    0.562 inches
  • Pole Quantity
    2
  • Mounting Facility Type And Quantity
    7 unthreaded hole
  • Features Provided
    Adjustable trip release
  • Maximum Continuous Load Current Rating Per Pole
    500.0 amperes dc all locations
  • Operating Voltage Type And Rating Per Pole In Volts
    250.0 dc all locations
  • Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
    30000.0 dc all locations
  • Circuit Protection Type
    Overcurrent all locations
  • Trip Release Method
    Magnetic all locations
  • Trip Release Characteristic
    Instantaneous all locations and time delay all locations
  • Reset Method
    Manual
  • Main Contact Tripping Mechanism Type
    Nontrip free
  • Manual Actuator Type And Quantity
    1 rotary
  • Actuator Function
    Trip-reset
  • Auxiliary Switch Function And Quantity
    1 control
  • Adjustable Trip Setting Current Range Per Pole In Amps
    +500.0/+1000.0 dc all locations
  • Internal Trip Release Configuration
    Shunt trip all locations
  • Terminal Type And Quantity
    4 bus bar
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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 5925005571916

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
37J498 Westinghouse Electric Corp
10T3501L Naval Ship Systems Command
37J498 Westinghouse Electric Corp
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