Model: SM-A-742929-3

Circuit Breaker
Description:

Multipole-multiple actuator type body style, 0.164 inches mounting slot width, 4.750 inches body length, 2.072 inches body width.

Properties:

Body Style
Multipole-multiple actuator type
Mounting Slot Width
0.164 inches
Body Length
4.750 inches
Body Width
2.072 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
3.547 inches
Center To Center Distance Between Terminals Parallel To Width
1.026 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
2.750 inches
Switch Contact Arrangement
Single pole, double throw
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
1.026 inches
Fragility Factor
Moderately rugged
Boss Height
0.219 inches
Mounting Surface To Terminal End Distance
3.485 inches
Pole Quantity
2
Mounting Facility Type And Quantity
4 threaded hole and 4 slot
Storage Type
General purpose warehouse
Special Handling Feature
Magnetic
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
50.0 amperes dc all locations
Operating Voltage Type And Rating Per Pole In Volts
125.0 dc first location30.0 dc second location
Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
5000.0 dc all locations
Circuit Protection Type
Overcurrent first locationovervoltage second location
Trip Release Method
Magnetic all locations
Trip Release Characteristic
Time delay first locationinstantaneous second location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
125.0 first location
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
Auxiliary Switch Function And Quantity
1 alarm
Internal Trip Release Configuration
Series trip first locationrelay trip second location
Thread Size
0.138 inches
Switch Location And Position Designation
Internal at pole one
Trip Delay Time In Seconds Per Rated Continuous Current
30.000 at 200 pct first location and 100.000 at 200 pct first location
Inclosure Protection Type For Which Designed
Vibration resistant and shock resistant and moisture resistant and salt spray proof and fungus resistant
Switch Terminal Type
Tab, solder lug
Switch Current Rating And Type In Amps
5.0 ac
Switch Voltage Rating And Type In Volts
125.0 ac
Unpackaged Unit Weight
1.300 pounds
Test Data Document
80063-sm-a-742924 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
6 threaded stud
NSN
5925-00-148-8125
Part Number
SM-A-742929-3
Description
Circuit Breaker
CAGE
80063

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 SM-A-742929-3 NSN 5925-00-148-8125

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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