Model: C4-021-20

Circuit Breaker

Properties:

Body Style
Single pole type
Bushing Length
0.250 inches
Body Length
2.188 inches
Body Width
0.750 inches
Case Material
Ceramic
Center To Center Distance Between Terminals Parallel To Length
0.906 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
1.812 inches
Mounting Surface To Terminal End Distance
1.312 inches
Pole Quantity
1
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
20.0 amperes ac single location and 20.0 amperes dc single location
Operating Voltage Type And Rating Per Pole In Volts
120.0 ac single location and 30.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
3500.0 ac single location and 4000.0 dc 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
115.0 single location
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
1 push-pull
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
10.000 at 200 pct single location and 60.000 at 200 pct single location
Inclosure Protection Type For Which Designed
Dustproof and explosion proof
Frequency In Hertz
400.0 single location
Unpackaged Unit Weight
1.500 ounces
Thread Series Designator
Unc
Terminal Type And Quantity
2 tab w/screw
NSN
5925-00-683-2884
Part Number
C4-021-20
Description
Circuit Breaker
CAGE
81755

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 C4-021-20 NSN 5925-00-683-2884

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:
U
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
4.0 X 4.0 X 1.0
Paclk Weight:
0.1000lbs
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:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

End Items End applications NSN 5925-00-683-2884 is a component of

  • Hercules C-130 Aircraft
  • Delta Dart F-106 Aircraft
  • Green Giant H-3 Helicopter
  • Hercules Kc-130 Aircraft
  • Ov-10a Aircraft Support Equipment
  • C-5 Aircraft Support Equipment
  • F-16 Aircraft Support Equipment
  • Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft

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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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