Model: 420440

Circuit Breaker

Properties:

Thread Pitch Diameters
+0.1177/+0.1214 inches
Body Style
Single pole type
Body Length
Between 2.480 inches and 2.500 inches
Body Width
0.750 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
1.940 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
Between 2.050 inches and 2.070 inches
Fragility Factor
Moderately rugged
Boss Height
0.150 inches
Mounting Surface To Terminal End Distance
2.475 inches
Pole Quantity
1
Arc Quenching Method
Magnetic blowout
Mounting Facility Type And Quantity
2 threaded hole
Storage Type
General purpose warehouse
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
10.0 amperes ac single location
Operating Voltage Type And Rating Per Pole In Volts
250.0 ac single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
1000.0 ac single location
Circuit Protection Type
Overcurrent single location
Trip Release Method
Magnetic-hydraulic single location
Trip Release Characteristic
Time delay single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
150.0 single location
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
1 toggle
Actuator Function
Trip-reset
Actuator Position Designation
At pole one
Internal Trip Release Configuration
Series trip single location
Thread Size
0.138 inches
Trip Delay Time In Seconds Per Rated Continuous Current
130.000 at 200 pct single location and 190.000 at 200 pct single location
Inclosure Protection Type For Which Designed
Explosion proof and shockproof and vibrationproof
Frequency In Hertz
400.0 single location
Unpackaged Unit Weight
3.700 ounces
Precious Material And Location
Contact surfaces silver
Precious Material
Silver
Thread Series Designator
Unc
Terminal Type And Quantity
2 threaded stud
NSN
5925-00-433-8594
Part Number
420440
Description
Circuit Breaker
CAGE
1PQF4

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.

Part 420440 NSN 5925-00-433-8594

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00136
FIIG:
A030A0
Concept No.:
App. Key:
A
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:
S
ESD:
ESD:
MMAC:
CRITL:
X

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: 8536200040
  • SITC: 77252
  • End Use: Electric apparatus
  • NAICS: 335313
  • USDA: 1

Freight Class: Automatic circuit breakers, for a voltage not exceeding 1,000 v, nesoi

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