Model: 20L4-103

Circuit Breaker

Properties:

Body Style
Multipole-multiple actuator type
Body Length
Between 2.437 inches and 2.563 inches
Body Width
Between 2.187 inches and 2.313 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
Between 2.000 inches and 2.127 inches
Center To Center Distance Between Terminals Parallel To Width
Between 0.687 inches and 0.813 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
Between 2.000 inches and 2.127 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
Between 0.687 inches and 0.813 inches
Fragility Factor
Moderately rugged
Boss Height
Between 0.062 inches and 0.188 inches
Mounting Surface To Terminal End Distance
Between 2.375 inches and 2.501 inches
Pole Quantity
3
Arc Quenching Method
Magnetic blowout
Mounting Facility Type And Quantity
6 threaded hole
Storage Type
General purpose warehouse
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
40.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
250.0 ac all locations
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
1000.0 ac all locations
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Magnetic-hydraulic all locations
Auxiliary Trip Coil Voltage Type And Rating In Volts
150.0 ac third location
Trip Release Characteristic
Instantaneous third location and time delay third location
Trip Release Characteristic
Time delay second location
Trip Release Characteristic
Time delay first location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 all locations
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
3 toggle
Actuator Function
Trip-reset
Actuator Position Designation
At each pole
External Actuator Linkage Arrangement
One, two, and three linked
Internal Trip Release Configuration
Series trip first location
Internal Trip Release Configuration
Series trip second location
Internal Trip Release Configuration
Series/relay trip third location
Thread Size
0.138 inches
Trip Release Duty Cycle
Continuous third location
Trip Delay Time In Seconds Per Rated Continuous Current
2.000 at 200 pct all locations and 20.000 at 200 pct all locations
Inclosure Protection Type For Which Designed
General purpose
Frequency In Hertz
50.0 all locations or 60.0 all locations
Unpackaged Unit Weight
10.000 ounces
Thread Series Designator
Unc
Terminal Type And Quantity
8 threaded stud
NSN
5925-01-056-7608
Part Number
20L4-103
Description
Circuit Breaker
CAGE
98437

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 20L4-103 NSN 5925-01-056-7608

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:
A
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
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

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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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