Model: 457D446G20

Circuit Breaker Tripper

Properties:

Body Style
Rectangular dimensional envelope
Overall Length
4.500 inches
Overall Height
4.500 inches
Overall Width
8.250 inches
Unthreaded Mounting Hole Diameter
0.375 inches
End Application
Used in circuit breaker nsn 5925-01-075-8931 onboard 270 ft. Wmec coast guard vessels
Pole Quantity
3
Mounting Facility Type And Quantity
3 unthreaded hole
Features Provided
Adjustable trip release
Maximum Continuous Load Current Rating Per Pole
150.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
500.0 ac all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Thermal all locations
Trip Release Characteristic
Time delay all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
150.0 all locations
Ultimate Trip Time Per Pole In Seconds
3600.000 all locations
Adjustable Trip Setting Current Range Per Pole In Amps
+625.0/+1300.0 ac all locations
Internal Trip Release Configuration
Series trip all locations
Trip Delay Time In Seconds Per Rated Continuous Current
100.000 at 200 pct all locations and 300.000 at 200 pct all locations
Trip Release Ambient Tempurature Rating
50.0 degrees celsius all locations
Frequency In Hertz
400.0 all locations
Terminal Type And Quantity
6 screw
NSN
5925-00-803-5488
Part Number
457D446G20
Description
Tripper,circuit Breaker
CAGE
89946

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.

Part 457D446G20 NSN 5925-00-803-5488

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04558
FIIG:
A030A0
Concept No.:
App. Key:
B
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061300
UFC:
34410
LTL:
77.5
LCL:
77.5
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8538907020
  • SITC: 77282
  • End Use: Electric apparatus
  • NAICS: 335313
  • USDA: 1

Freight Class: Automatic circuit breaker parts for headings 8535, 8536 or 8537

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