SM5-3-250-400-1
Circuit Breakers
CIRCUIT BREAKER
SM5-3-250-400-1
CIRCUIT BREAKER
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Technical Characteristics
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Fragility Factor
moderately rugged
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Trip Release Method
magnetic single location
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Terminal Type And Quantity
2 wire hook
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Special Handling Feature
magnetic
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Reset Method
manual
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Actuator Position Designation
at pole one
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Maximum Continuous Load Current Rating Per Pole
3.0 amperes ac single location
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Unpackaged Unit Weight
2.100 ounces
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Storage Type
general purpose warehouse
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Actuator Function
trip-reset
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Ultimate Trip Time Per Pole In Seconds
6.500 minimum all locations and 30.000 maximum all locations
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Body Width
0.598 inches nominal
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Trip Delay Time In Seconds Per Rated Continuous Current
1.000 minimum at 200 pct all locations and 4.000 maximum at 200 pct all locations
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Thread Series Designator
unef
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Body Style
single pole type
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Frequency In Hertz
400.0 single location
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Ultimate Trip Rating Of Continuous Current Rating Per Pole In Percent
115.0 single location
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Bushing Length
0.375 inches nominal
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Maximum Interrupting Capacity Current Type And Rating Per Pole In Amps
300.0 ac single location
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Arc Quenching Method
magnetic blowout
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Main Contact Tripping Mechanism Type
trip free
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Trip Release Characteristic
time delay single location
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Internal Trip Release Configuration
series trip single location
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Manual Actuator Type And Quantity
1 toggle
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Case Material
metal
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Mounting Surface To Terminal End Distance
1.555 inches nominal
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Pole Quantity
1
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Center To Center Distance Between Terminals Parallel To Length
0.875 inches nominal
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Operating Voltage Type And Rating Per Pole In Volts
250.0 ac single location
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Mounting Facility Type And Quantity
1 threaded bushing
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Circuit Protection Type
overcurrent single location
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Inclosure Protection Type For Which Designed
explosion resistant and hermetically sealed
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Thread Quantity Per Inch
32
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Body Length
1.479 inches nominal
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Nominal Thread Size
0.375 inches
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Thread Pitch Diameters
+0.3503/+0.3537 inches