SM-A-838518-1
Circuit Breakers
CIRCUIT BREAKER
SM-A-838518-1
General Dynamics C4 Systems Inc.
CIRCUIT BREAKER
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Technical Characteristics
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Inclosure Protection Type For Which Designed
fungus resistant and moisture resistant
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Body Style
8c multipole-multiple actuator type
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Body Width
2.240 inches minimum and 2.260 inches maximum
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Case Material
plastic
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Center To Center Distance Between Terminals Parallel To Length
1.660 inches minimum and 1.960 inches maximum
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Center To Center Distance Between Terminals Parallel To Width
0.740 inches minimum and 0.760 inches maximum
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Fragility Factor
moderately rugged
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Mounting Surface To Terminal End Distance
2.699 inches maximum
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Storage Type
general purpose warehouse
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Special Handling Feature
magnetic
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Features Provided
high inrush protection
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Thread Quantity Per Inch
32
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Maximum Continuous Load Current Rating Per Pole
10.0 amperes ac all locations
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Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
1000.0 ac all locations
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Trip Release Method
magnetic all locations
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Trip Release Characteristic
time delay all locations
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Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
140.0 all locations
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Main Contact Tripping Mechanism Type
trip free
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Manual Actuator Type And Quantity
3 toggle
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Internal Trip Release Configuration
series trip all locations
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Nominal Thread Size
0.138 inches
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Trip Delay Time In Seconds Per Rated Continuous Current
0.500 minimum at 200 pct all locations and 5.000 maximum at 200 pct
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Frequency In Hertz
400.0 all locations
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Unpackaged Unit Weight
0.625 pounds
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Thread Series Designator
unc
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Terminal Type And Quantity
6 threaded stud
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Body Length
2.490 inches minimum and 2.510 inches maximum
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Distance Between Centerlines Of Mounting Facilities Parallel To Body Length
2.052 inches minimum and 2.072 inches maximum
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Distance Between Centerlines Of Mounting Facilities Parallel To Body Width
0.740 inches minimum and 0.760 inches maximum
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Boss Height
0.130 inches minimum and 0.150 inches maximum
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Pole Quantity
3
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Arc Quenching Method
magnetic blowout
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Mounting Facility Type And Quantity
6 clip or 6 threaded hole
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Operating Voltage Type And Rating Per Pole In Volts
250.0 ac all locations
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Circuit Protection Type
overcurrent all locations
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Reset Method
manual
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Actuator Function
trip-reset
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Actuator Position Designation
at each pole
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External Actuator Linkage Arrangement
one, two, and three linked