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Circuit Breaker

NSN: 5925-01-270-5250 | Model: ETN275210

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
5925-01-270-5250
DEMIL
NO
Body Style
Multipole-single actuator type
Body Length
6.500 inches
Body Width
4.125 inches
Body Height
5.125 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
5.562 inches
Center To Center Distance Between Terminals Parallel To Width
1.375 inches
Unthreaded Mounting Hole Diameter
0.281 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
2.625 inches
Switch Contact Arrangement
Single pole, double throw
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
2.750 inches
Fragility Factor
Moderately rugged
Boss Height
0.188 inches
Pole Quantity
3
Arc Quenching Method
Air
Mounting Facility Type And Quantity
4 unthreaded hole
Storage Type
General purpose warehouse
Maximum Continuous Load Current Rating Per Pole
50.0 amperes ac all locations and 50.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts
500.0 ac all locations and 250.0 dc all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
15000.0 ac all locations and 10000.0 dc all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Thermal all locations
Trip Release Characteristic
Time delay all locations
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
1 toggle
Actuator Function
Trip-reset
Actuator Position Designation
At pole one
Auxiliary Switch Function And Quantity
1 alarm
Internal Trip Release Configuration
Relay trip all locations
Switch Location And Position Designation
Internal at pole one
Trip Delay Time In Seconds Per Rated Continuous Current
150.000 at 200 pct all locations
Inclosure Protection Type For Which Designed
Dustproof
Trip Release Ambient Tempurature Rating
50.0 degrees celsius all locations
Switch Terminal Type
Screw
Switch Current Rating And Type In Amps
50.0 ac and 50.0 dc
Switch Voltage Rating And Type In Volts
500.0 ac and 250.0 dc
Frequency In Hertz
60.0 all locations or 400.0 all locations
Terminal Type And Quantity
6 screw
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7M517T9346 2017-03-13 PMCMU 3 EA

Pricing and Availability

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NSN 5925-01-270-5250 Datasheet

Supply Class (FSC):
Circuit Breakers
Cross Reference:
  • ETN275210
  • 302-11-403
  • 80E4958
Cage Codes:
  • Spd Electrical Systems, Inc (CAGE 30086)
  • 3 Communications Westwood L (CAGE 58475)
  • Eaton Corporation (CAGE 89946)
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
    J
  • 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 $2,986.72 to $4,977.86..
Does NSN 5925-01-270-5250 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy, Poland, Spain, Australia, and Turkey
What is the NIIN of NSN 5925-01-270-5250?
012705250 or 01-270-5250
Does NSN 5925-01-270-5250 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5925-01-270-5250?
Solicitation SPE7M517T9346 for qty 3 on 03/03/2017
When was this national stock number assigned to the federal catalog?
Jan 08, 1988