Model: 124B20-B2M

Circuit Breaker

Properties:

Body Style
Single pole type
Overall Length
1.750 inches
Body Width
0.780 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
0.690 inches
Unthreaded Mounting Hole Diameter
0.190 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
1.560 inches
Fragility Factor
Moderately rugged
Mounting Surface To Terminal End Distance
1.190 inches
Pole Quantity
1
Mounting Facility Type And Quantity
2 unthreaded hole
Storage Type
General purpose warehouse
Special Handling Feature
Magnetic
Maximum Continuous Load Current Rating Per Pole
20.0 amperes dc single location
Operating Voltage Type And Rating Per Pole In Volts
32.0 dc single location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
500.0 dc single location
Circuit Protection Type
Overcurrent single location
Trip Release Method
Magnetic single location
Trip Release Characteristic
Instantaneous single location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 single location
Reset Method
Automatic
Internal Trip Release Configuration
Series trip single location
Inclosure Protection Type For Which Designed
General purpose
Terminal Type And Quantity
2 threaded stud
NSN
5925-01-179-4772
Part Number
124B20-B2M
Description
Circuit Breaker
CAGE
11873

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 124B20-B2M NSN 5925-01-179-4772

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:
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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