AT21015

AT21015 Circuit Breaker

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Datasheet. AT21015 specification

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

6.000in. ⁓6-1/64"

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

3.969in.

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

2.750in.

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

plastic

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.

0.188in.

Pole Quantity
The number of poles included in the item.

2

Arc Quenching Method
The means of quenching an arc.

air

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

3 threaded hole and 3 unthreaded hole

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

32

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

15.0 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.

250.0 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.

5000.0 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.

time delay 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 w/separate reset

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.164in. ⁓11/64"

Trip Delay Time In Seconds Per Rated Continuous Current
The length of time,expressed in seconds,that an overload may exist before the device will trip at a specified continuous current.

50.000 at 150 pct all locations and 40.000 at 150 pct all locations and 7.000 at 300 pct all locations and 25.000 at 300 pct all locations and 1.800 at 600 pct all locations and 5.000 at 600 pct all locations

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

25.0 deg celsius all locations

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

mtg holes counterbored and spaced 1.375 and 0.938 in. from upper edge

Precious Material
Identification of the precious material contained in the item.

silver

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unc

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

4 screw

Answers.

What class is the thread series?

Unc

What is the thread quantity per inch?

32

What is the overall width?

2.750 inches

What is the NSN for AT21015?

5925-00-258-8625

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 AT21015?

FSC 5925 ⁓ Circuit breakers

Excluding relays.

NSN 5925-00-258-8625 CIRCUIT BREAKER

unc thread series mtg holes counterbored 32 thread quantity per inch 2.750" overall width 6.000" overall length

NIIN
002588625
NIIN Date
01/01/63
Schedule B
8536200040 
Name Code
00136
FIIG
A030A0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Contains silver
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

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

1. TE22015 Cage 24446
2. TE22015 Cage 60969

Major End Users Countries and entities

  • - Tennessee Valley Authority 
  • - Spain 
  • - Turkey 

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Similar by Design Other circuit breakers with similar characteristics

Nothing similar to this part number was found in our inventory

AT21015 / 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.