Model: SM-A-776904-20

Circuit Breaker

Properties:

Thread Pitch Diameters
+0.1177/+0.1214 inches
Body Style
Multipole-multiple actuator type
Body Length
Between 2.480 inches and 2.500 inches
Body Width
3.000 inches
Case Material
Plastic
Center To Center Distance Between Terminals Parallel To Length
Between 1.925 inches and 1.955 inches
Center To Center Distance Between Terminals Parallel To Width
Between 0.715 inches and 0.745 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
Between 2.050 inches and 2.070 inches
Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
Between 0.715 inches and 0.745 inches
Fragility Factor
Moderately rugged
Boss Height
Between 0.135 inches and 0.165 inches
Mounting Surface To Terminal End Distance
2.151 inches
Pole Quantity
4
Arc Quenching Method
Magnetic blowout
Mounting Facility Type And Quantity
8 threaded hole
Storage Type
General purpose warehouse
Special Handling Feature
Magnetic
Features Provided
High inrush protection
Thready Qty Per Inch (tpi)
32
Maximum Continuous Load Current Rating Per Pole
100.0 milliamperes ac fourth location
Maximum Continuous Load Current Rating Per Pole
50.0 amperes ac second location
Maximum Continuous Load Current Rating Per Pole
50.0 amperes ac third location
Maximum Continuous Load Current Rating Per Pole
50.0 amperes ac first location
Operating Voltage Type And Rating Per Pole In Volts
240.0 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 all locations
Trip Release Characteristic
Instantaneous fourth location
Trip Release Characteristic
Time delay second location
Trip Release Characteristic
Time delay third location
Trip Release Characteristic
Time delay first location
Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
115.0 all locations
Reset Method
Manual
Main Contact Tripping Mechanism Type
Trip free
Manual Actuator Type And Quantity
4 toggle
Actuator Function
Trip-reset
Actuator Position Designation
At each pole
External Actuator Linkage Arrangement
One, two, three, and four linked
Internal Trip Release Configuration
Series trip all locations
Thread Size
0.138 inches
Trip Delay Time In Seconds Per Rated Continuous Current
10.500 at 200 pct first location and 60.000 at 200 pct first location
Trip Delay Time In Seconds Per Rated Continuous Current
10.500 at 200 pct second location and 60.000 at 200 pct second location
Trip Delay Time In Seconds Per Rated Continuous Current
10.500 at 200 pct third location and 60.000 at 200 pct third location
Inclosure Protection Type For Which Designed
Vibration resistant and shock resistant
Frequency In Hertz
60.0 all locations
Unpackaged Unit Weight
14.800 ounces
Thread Series Designator
Unc
Terminal Type And Quantity
8 threaded stud
NSN
5925-01-075-7141
Part Number
SM-A-776904-20
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-776904-20 NSN 5925-01-075-7141

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:
0.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
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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