Model: BS-121-12124-05

Circuit Breaker

Properties:

Body Style
Multipole-multiple actuator type
Bushing Length
0.130 inches
Body Length
2.000 inches
Body Width
1.500 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
1.530 inches
Center To Center Distance Between Terminals Parallel To Width
0.750 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
1.660 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
0.750 inches
Mounting Surface To Terminal End Distance
2.000 inches
Pole Quantity
2
Mounting Facility Type And Quantity
2 threaded hole
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
20.0 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 single location
Circuit Protection Type
Overcurrent all locations
Trip Release Method
Magnetic all locations
Trip Release Characteristic
Instantaneous all locations
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
200.0 single location
Ultimate Trip Time Per Pole In Seconds
2.000 all locations
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
2 toggle
Actuator Function
Trip-reset
Actuator Position Designation
At each pole
External Actuator Linkage Arrangement
One and two linked
Internal Trip Release Configuration
Series trip all locations
Thread Size
0.138 inches
Inclosure Protection Type For Which Designed
Moisture resistant
Trip Release Ambient Tempurature Rating
25.0 degrees celsius all locations
Frequency In Hertz
60.0 all locations
Test Data Document
15476-1212124-0-0 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)
Thread Series Designator
Unc
Terminal Type And Quantity
4 screw
NSN
5925-01-084-5421
Part Number
BS-121-12124-05
Description
Circuit Breaker
CAGE
K0577

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 BS-121-12124-05 NSN 5925-01-084-5421

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:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
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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