KB3090

KB3090 Circuit Breaker
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Datasheet. KB3090 specification

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

MULTIPOLE-Single actuator type

Body Length
A measurement of the longest dimension of the body,in distinction from width.

10.000in.

Body Width
A measurement taken at right angles to the length of the body,in distinction from thickness.

4.125in.

Body Height
A measurement from the bottom to the top of the body,in distinction from depth.

4.062in.

Case Material
The element,compound,or mixture of which the case is fabricated,excluding any surface treatment.

plastic

Center To Center Distance Between Terminals Parallel To Length
The center to center distance between terminals parallel to the length of the item.

8.375in.

Center To Center Distance Between Terminals Parallel To Width
The center to center distance between terminals parallel to the width of the item.

1.375in.

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.

0.281in.

Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
The distance between centerlines of mounting facilities parallel to the length of the item.

7.940in.

Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
The distance between centerlines of mounting facilities parallel to the width of the item.

1.375in.

Boss Height

0.187in.

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

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.

90.0 amperes ac 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.

600.0 ac all locations

Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
Indicates the type and value of the maximum short circuit current that the item will successfully interrupt,per pole,at the specified rated voltage,expressed in amperes.

900.0 ac 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

Reset Method
The means provided to reposition the mechanism so that the device is ready to function.

manual

Main Contact Tripping Mechanism Type
Indicates the type of mechanism provided for tripping main contacts.

trip free

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.

+450.0/+900.0 ac all locations

Inclosure Protection Type For Which Designed
Indicates the type of protection for which the inclosure is designed.

fungus resistant

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

40.0 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 is the NSN for KB3090?

5925-01-278-7968

How is this classified for shipping?

Schedule B number: 8536200040
Automatic circuit breakers, for a voltage not exceeding 1,000 v

What's the federal classification of KB3090?

FSC 5925 ⁓ Circuit breakers

Excluding relays.

NSN 5925-01-278-7968 CIRCUIT BREAKER

NIIN
012787968
NIIN Date
05/10/88
Schedule B
8536200040 
Name Code
00136
FIIG
A030A0
DEMIL / ITAR
USML/ITAR controlled item (Code: B)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
--
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Other Part Numbers Parts with same form, fit, and function by other manufacturers

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Similar by Design Other circuit breakers with similar characteristics

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KB3090 / Circuit breakerWhat is the formal definition of this item?

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.