AT12-51

AT1251 Circuit Breaker

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Datasheet. AT12-51 specification

Pole Quantity
The number of poles included in the item.

3

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

1200.0 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

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

50.0 all locations or 60.0 all locations

Answers.

What is the NSN for AT12-51?

5925-01-373-4857

How is this classified for shipping?

Schedule B number: 8536200040
nmfc 061300
Automatic circuit breakers, for a voltage not exceeding 1,000 v

What's the federal classification of AT12-51?

FSC 5925 ⁓ Circuit breakers

Excluding relays.

NSN 5925-01-373-4857 CIRCUIT BREAKER

NIIN
013734857
NIIN Date
04/06/93
Schedule B
8536200040 
Name Code
00136
FIIG
A030A0
Item Weight
0.000lbs
Item Dimensions
--
QUP
 
Historical Price
$20,042.50 EA
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No 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

1. K-498115-7 Cage S4470
2. 0000-6894-51 Cage 0AX25

Major End Users Countries and entities

  • - Department of The Navy  DSOR Contract contiguous united states (conus)

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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)
Rating variable
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 circuit breakers with similar characteristics

Nothing similar to this part number was found in our inventory

AT12-51 / 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.