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Circuit Breaker

NSN: 5925-00-071-9844 | Model: AM0666MG6-25-208VAC60C4

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 elemen (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.

NSN Properties and Flags
NATO Stock Number
5925-00-071-9844
DEMIL
NO
Body Style
Multipole-multiple actuator type
Body Length
Between 2.490 inches and 2.510 inches
Body Width
Between 2.960 inches and 3.040 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
Between 1.928 inches and 1.948 inches
Center To Center Distance Between Terminals Parallel To Width
Between 0.740 inches and 0.760 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
Between 2.052 inches and 2.072 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
Between 0.740 inches and 0.760 inches
Fragility Factor
Moderately rugged
Boss Height
Between 0.130 inches and 0.150 inches
Mounting Surface To Terminal End Distance
Between 2.539 inches and 2.683 inches
Pole Quantity
4
Arc Quenching Method
Magnetic blowout
Mounting Facility Type And Quantity
8 threaded hole
Storage Type
General purpose warehouse
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
50.0 amperes ac first location
Operating Voltage Type And Rating Per Pole In Volts
250.0 ac first location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
1000.0 ac third location
Circuit Protection Type
Overcurrent third location
Trip Release Method
Magnetic-hydraulic third location
Trip Release Characteristic
Time delay third location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 third location
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
Relay trip third location
Thread Size
0.138 inches
Trip Delay Time In Seconds Per Rated Continuous Current
4.100 at 200 pct third location and 14.000 at 200 pct third location
Inclosure Protection Type For Which Designed
Fungus resistant and humidity resistant and moisture resistant and shock resistant and vibration resistant
Special Features
Pole one is switch only
Frequency In Hertz
60.0 all locations
Unpackaged Unit Weight
13.000 ounces
Thread Series Designator
Unc
Terminal Type And Quantity
8 threaded stud

Pricing and Availability

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NSN 5925-00-071-9844 Datasheet

Supply Class (FSC):
Circuit Breakers
Cross Reference:
  • AM0666MG6-25-208VAC60C4
  • CB5461R
  • AM0666MG6SW50-250VRC25-208V60C4
Cage Codes:
  • Eaton Corp (CAGE 74193)
  • Edo (CAGE 09017)
Schedule B & Trade:
  • Schedule B: 8536200040 (NAICS 335313)

    Automatic circuit breakers, for a voltage not exceeding 1, 000 v, nesoi

  • SITC: 77252

    Automatic circuit breakers for a voltage not exceeding 1, 000 volts

  • End Use: 20005

    Electric apparatus

Identification:
HMIC

P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of federal standard 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    061300 - Circuit breaker/switch noi

  • WCC:

    658 - Electrical appliances, small

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)

  • LTL:

    P - 77.5

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    V
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    9b-----
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $202.82 to $338.04..
Does NSN 5925-00-071-9844 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Defense Logistics Agency
What is the NIIN of NSN 5925-00-071-9844?
000719844 or 00-071-9844
Does NSN 5925-00-071-9844 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5925-00-071-9844?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jul 25, 1967