ETN8258

ETN8258 Circuit Breaker Tripper

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Quality Commitment

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Datasheet. ETN8258 specification

Body Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.

rectangular dimensional envelope

Overall Length
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.

20.750in. ⁓20-3/4"

Overall Height
The distance measured in a straight line from the bottom to the top of an item.

6.188in.

Overall Width
An overall measurement taken at right angles to the length of an item,in distinction from thickness.

8.875in.

Unthreaded Mounting Hole Diameter
The length of a straight line which passes through the center of an unthreaded mounting hole,and terminates at the circumference.

0.312in.

Fragility Factor
The measure of sensitivity of the item to be packaged. a factor used by packaging engineers in devising proper cushioning in a package.

moderately rugged

Pole Quantity
The number of poles included in the item.

3

Mounting Facility Type And Quantity
Indicates the type and number of facilities by which the item is mounted.

4 unthreaded hole

Storage Type
Indicates the type of storage space required for an item in order to provide the degree of protection necessary to maintain serviceability standards.

general purpose warehouse

Features Provided
Those features,not otherwise specified,which may be required for proper functioning of the item.

adjustable trip release

Maximum Continuous Load Current Rating Per Pole
The maximum current load that each pole is rated to carry continuously.

800.0 amperes ac all locations and 800.0 amperes dc all locations

Operating Voltage Type And Rating Per Pole In Volts
Indicates the type and value of operating voltage for which each pole is designed to operate,expressed in volts.

500.0 ac all locations and 250.0 dc all locations

Circuit Protection Type
Indicates the type of electrical condition that will cause the device to trip.

overcurrent all locations

Trip Release Method
The means by which the trip mechanism is released.

THERMAL-Magnetic all locations

Trip Release Characteristic
Denotes the type of trip release action.

instantaneous all locations

Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
The continuous current rating per pole at which the device must trip in a specified time,expressed in percent.

125.0 all locations

Manual Actuator Type And Quantity
Indicates the type and number of actuators provided for manual control.

1 toggle

Actuator Function
Denotes the action imparted by actuator operation.

TRIP-Reset

Actuator Position Designation
An indication of the designated position of the actuator.

at pole two

Adjustable Trip Setting Current Range Per Pole In Amps
The minimum and maximum values of current to which an adjustable trip setting device may be set per pole,expressed in amperes.

+5000.0/+8000.0 ac all locations

Trip Release Ambient Temp Rating
The temperature of the medium surrounding the trip release at which it can be operated continuously.

50.0 deg celsius all locations

Frequency In Hertz
The cycles per second /hertz/ of the alternating current.

60.0 all locations

Terminal Type And Quantity
Indicates the type and number of terminals for providing electrical connection.

6 compression

Answers.

What quantity is this sold in?

1EA

What is the overall width?

8.875 inches

What is the NSN for ETN8258?

5925-00-906-7831

How is this classified for shipping?

Schedule B number: 8538907020
nmfc 061300
Automatic circuit breaker parts for headings 8535, 8536 or 8537

What's the federal classification of ETN8258?

FSC 5925 ⁓ Circuit breakers

Excluding relays.

NSN 5925-00-906-7831 TRIPPER,CIRCUIT BREAKER

8.875" overall width 20.750" overall length

NIIN
009067831
NIIN Date
01/01/60
Schedule B
8538907020 
Name Code
04558
FIIG
A030A0
Item Weight
5.800lbs
Item Dimensions
--
QUP
Historical Price
$4,345.93 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Department of The Navy 
  • - U.s. Coast Guard 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
77.5 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps) 
Commodity (for shipments via water)
Electrical appliances, small 
NMFC (national motor freight code)
061300 CIRCUIT BREAKER/SWITCH NOI 
UFC (universal freight code)
34410 

Similar by Design Other trippers with similar characteristics

Nothing similar to this part number was found in our inventory

ETN8258 / Tripper,circuit breakerWhat is the formal definition of this item?

An electromechanical device which releases the holding mechanism and permits the contacts of a circuit breaker to open. it is a replacement part of a circuit breaker. does not include relays. see also thermal release, circuit breaker.