4989
Switches
SWITCH,SENSITIVE
4989
Magnetrol International Incorporated
SWITCH,SENSITIVE
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Technical Characteristics
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End Item Identification
nuclear power plants.
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Body Length
1.938 inches nominal
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Unthreaded Mounting Hole Diameter
0.140 inches nominal
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Actuator Style
roller arm
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Actuator Movement
0.156 overtravel inches minimum and 0.218 pretravel inches maximum and 0.040 differential inches nominal
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Body Style
hole mounted
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Nonpile-Up Contact Arrangement
1 pole, double throw, both positions maintained single switch unit
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Switch Release Force
0.7 ounces minimum
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Hazardous Locations/Environmental Protection
dustproof
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Terminal Type And Quantity
3 screw
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Mounting Method
unthreaded hole
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Body Height
1.938 inches nominal
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Actuator Free Position Height
1.188 inches nominal
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Overall Length
2.110 inches nominal
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Actuator Roller Diameter
0.375 inches nominal
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Contact Load Current Rating At Maximum Rated Voltage
5.000 amperes resistive ac
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Overall Width
0.688 inches nominal
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Body Width
0.688 inches nominal
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Precious Material And Location
contacts silver
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Precious Material
silver
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Criticality Code Justification
feat
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Special Features
weapon system essential
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Switch Actuating Force
3.5 ounces maximum
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Maximum Voltage Rating In Volts
230.0 ac
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Center To Center Distance Between Mounting Facilities Parallel To Length
1.000 inches nominal
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Actuator Roller Width
0.156 inches nominal
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Inclosure Type
fully inclosed