Model: SM-A-973939-13

Circuit Breaker

Properties:

Body Length
Between 7.115 inches and 7.135 inches
Body Width
Between 4.490 inches and 4.510 inches
Body Height
Between 2.958 inches and 2.978 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
Between 2.797 inches and 2.827 inches
Center To Center Distance Between Terminals Parallel To Width
1.500 inches
Unthreaded Mounting Hole Diameter
0.031 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
Between 4.638 inches and 4.668 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
Between 1.490 inches and 1.510 inches
Fragility Factor
Moderately rugged
Boss Height
Between 0.208 inches and 0.228 inches
Pole Quantity
3
Arc Quenching Method
Magnetic blowout
Mounting Facility Type And Quantity
4 threaded hole and 6 unthreaded hole
Storage Type
General purpose warehouse
Special Handling Feature
Magnetic
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
150.0 amperes ac all locations
Operating Voltage Type And Rating Per Pole In Volts
250.0 ac first location and 90.0 ac first location
Operating Voltage Type And Rating Per Pole In Volts
250.0 ac second location
Operating Voltage Type And Rating Per Pole In Volts
250.0 ac third location
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
Trip Release Characteristic
Time delay all locations
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 second location
Internal Trip Release Configuration
Series trip third location
Internal Trip Release Configuration
Series trip w/dual rating first location
Thread Size
0.190 inches
Trip Delay Time In Seconds Per Rated Continuous Current
15.000 at 200 pct all locations and 95.000 at 200 pct all locations
Inclosure Protection Type For Which Designed
Fungus resistant and moisture resistant
Frequency In Hertz
47.0 all locations or 63.0 all locations
Thread Series Designator
Unf
Terminal Type And Quantity
6 threaded stud
NSN
5925-01-166-9675
Part Number
SM-A-973939-13
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-973939-13 NSN 5925-01-166-9675

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:
5.0000lbs
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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