A1B250

A1B250 Circuit Breaker

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Datasheet. A1B250 specification

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

single pole type

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

6.250in. ⁓6-1/4"

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

2.312in.

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

1.484in.

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

plastic

Pole Quantity
The number of poles included in the item.

2

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

2 clip

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

50.0 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.

240.0 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.

10000.0 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 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.

1500.0 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

Actuator Function
Denotes the action imparted by actuator operation.

TRIP-Reset

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

at each pole

External Actuator Linkage Arrangement
Indicates the arrangement of the externally connected actuators.

one and two linked

Internal Trip Release Configuration
The basic internal electrical configuration of the trip mechanism.

series trip all locations

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.

2 screw base

Answers.

What is the overall width?

1.484 inches

What is the NSN for A1B250?

5925-00-085-1736

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 A1B250?

FSC 5925 ⁓ Circuit breakers

Excluding relays.

NSN 5925-00-085-1736 CIRCUIT BREAKER

1.484" overall width 6.250" overall length

NIIN
000851736
NIIN Date
12/20/67
Schedule B
8536200040 
Name Code
00136
FIIG
A030A0
Item Weight
0.000lbs
Item Dimensions
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
--
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

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A1B250 / 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.