Model: 990C668H10

Circuit Breaker

Properties:

Body Style
Single pole type
Body Length
2.500 inches
Body Width
0.750 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
1.938 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
2.062 inches
End Application
An/alq-119
Boss Height
1.125 inches
Mounting Surface To Terminal End Distance
2.611 inches
Pole Quantity
1
Mounting Facility Type And Quantity
2 threaded stud
Maximum Continuous Load Current Rating Per Pole
4.0 amperes ac single location
Operating Voltage Type And Rating Per Pole In Volts
115.0 ac single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
2000.0 ac 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
125.0 single location
Reset Method
Automatic
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
1 toggle
Actuator Position Designation
At pole one
Internal Trip Release Configuration
Series trip single location
Thread Size
0.190 inches
Trip Delay Time In Seconds Per Rated Continuous Current
1.500 at 100 pct single location and 1.000 at 125 pct single location and 0.120 at 300 pct single location
Inclosure Protection Type For Which Designed
Humidity resistant and shock resistant and vibration resistant
Trip Release Ambient Tempurature Rating
40.0 degrees fahrenheit single location and 115.0 degrees fahrenheit single location
Frequency In Hertz
60.0 single location
Precious Material And Location
Stud and nut external surfaces silver
Precious Material
Silver
Thread Series Designator
Unf
Terminal Type And Quantity
2 threaded stud
NSN
5925-00-472-0575
Part Number
990C668H10
Description
Circuit Breaker
CAGE
18323

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 990C668H10 NSN 5925-00-472-0575

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:
--
WCC:
72D
TCC:
Z
SHC:
Z
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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