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Datasheet. 457D446G20 specification
The style designation indicating the configuration that most nearly corresponds to the appearance of the body.
rectangular dimensional envelope
The dimension measured along the longitudinal axis with terminated points at the extreme ends of the item.
4.500in. ⁓4-1/2"
The distance measured in a straight line from the bottom to the top of an item.
4.500in.
An overall measurement taken at right angles to the length of an item,in distinction from thickness.
8.250in.
The length of a straight line which passes through the center of an unthreaded mounting hole,and terminates at the circumference.
0.375in.
The national stock number or the identification information of the end equipment for which the item is a part.
used in circuit breaker nsn 5925-01-075-8931 onboard 270 ft. wmec coast guard vessels
The number of poles included in the item.
3
Indicates the type and number of facilities by which the item is mounted.
3 unthreaded hole
Those features,not otherwise specified,which may be required for proper functioning of the item.
adjustable trip release
The maximum current load that each pole is rated to carry continuously.
150.0 amperes ac all locations
Indicates the type and value of operating voltage for which each pole is designed to operate,expressed in volts.
500.0 ac all locations
Indicates the type of electrical condition that will cause the device to trip.
overcurrent all locations
The means by which the trip mechanism is released.
thermal all locations
Denotes the type of trip release action.
time delay all locations
The continuous current rating per pole at which the device must trip in a specified time,expressed in percent.
150.0 all locations
The ultimate time per pole in which the device must trip,expressed in seconds.
3600.000 all locations
The minimum and maximum values of current to which an adjustable trip setting device may be set per pole,expressed in amperes.
+625.0/+1300.0 ac all locations
The basic internal electrical configuration of the trip mechanism.
series trip all locations
The length of time,expressed in seconds,that an overload may exist before the device will trip at a specified continuous current.
100.000 at 200 pct all locations and 300.000 at 200 pct all locations
The temperature of the medium surrounding the trip release at which it can be operated continuously.
50.0 deg celsius all locations
The cycles per second /hertz/ of the alternating current.
400.0 all locations
Indicates the type and number of terminals for providing electrical connection.
6 screw
Answers.
1EA
8.250 inches
Schedule B number: 8538907020
nmfc 061300
Automatic circuit breaker parts for headings 8535, 8536 or 8537
FSC 5925 ⁓ Circuit breakers
Excluding relays.
NSN 5925-00-803-5488 TRIPPER,CIRCUIT BREAKER
Used on used in circuit breaker nsn 5925-01-075-8931 onboard 270 ft. wmec coast guard vessels. 8.250" overall width 4.500" overall length
- NIIN
- 008035488
- NIIN Date
- 01/01/62
- Schedule B
- 8538907020
- Name Code
- 04558
- FIIG
- A030A0
- Item Weight
- 0.000lbs
- Item Dimensions
- --
- QUP
- 1
- Historical Price
- $3,656.95 EA
- DEMIL / ITAR
- USML/ITAR controlled item (Code: B)
- 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. | 4570446G20 | Cage 11660 |
| 2. | S457D446G20 | Cage 11660 |
Major End Users Countries and entities
- - Department of The Navy
- - U.s. Coast Guard
Availability for 457D446G20 A member of our team will provide you with a price and availability quote
Request a Quote »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)
- 77.5
- 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
457D446G20 / 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.
