NSN: 5925-00-525-3316
Circuit Breakers
CIRCUIT BREAKER
CIRCUIT BREAKER
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Technical Characteristics
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Body Style
1b multipole-single actuator type
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Bushing Length
0.380 inches maximum
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Body Length
1.500 inches maximum
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Nonturn Device Location
at 3 oclock and at 9 oclock
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Nonturn Device Radius
0.620 inches minimum and 0.630 inches maximum
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Fragility Factor
moderately rugged
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Pole Quantity
2
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Arc Quenching Method
magnetic blowout
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Storage Type
general purpose warehouse
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Thread Quantity Per Inch
32
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Maximum Continuous Load Current Rating Per Pole
500.0 milliamperes dc second location
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Body Width
1.250 inches maximum
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Case Material
metal
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Center To Center Distance Between Terminals Parallel To Length
0.875 inches nominal
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Center To Center Distance Between Terminals Parallel To Width
0.625 inches nominal
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Nonturn Device Length
0.135 inches minimum and 0.145 inches maximum
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Nonturn Device Diameter
0.245 inches minimum and 0.255 inches maximum
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Mounting Surface To Terminal End Distance
1.780 inches maximum
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Mounting Facility Type And Quantity
1 threaded bushing w/panel seal
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Special Handling Feature
magnetic
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Terminal Type And Quantity
4 wire hook
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Thread Series Designator
unef
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Internal Trip Release Configuration
series trip all locations
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Reset Method
manual
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Trip Release Method
magnetic all locations
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Circuit Protection Type
overcurrent all locations
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Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
500.0 dc second location
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Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
300.0 ac first location
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Maximum Continuous Load Current Rating Per Pole
2.0 amperes ac first location
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Frequency In Hertz
400.0
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Special Features
threaded bushing mounted
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Inclosure Protection Type For Which Designed
hermetically sealed and shockproof and vibrationproof
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Trip Delay Time In Seconds Per Rated Continuous Current
0.070 minimum at 200 pct and 0.700 maximum at 200 pct all locations
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Nominal Thread Size
0.375 inches
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Actuator Position Designation
between pole one and two
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Actuator Function
trip-reset
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Manual Actuator Type And Quantity
1 toggle
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Main Contact Tripping Mechanism Type
trip free
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Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
115.0
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Trip Release Characteristic
time delay all locations
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Operating Voltage Type And Rating Per Pole In Volts
50.0 dc second location
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Operating Voltage Type And Rating Per Pole In Volts
115.0 ac first location