3JR12
Switches
SWITCH,ROTARY
3JR12
SWITCH,ROTARY
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Technical Characteristics
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Switch Actuator Positioning Increment
45.0 degrees single actuator
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Features Provided
variable resistor and actuator knob
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Contact Load Current Rating
5.0 amperes resistive load dc at sea level
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Longest Horizontal Distance Between Mounting Centers
2.297 inches nominal single mounting facility
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Contact Voltage Rating In Volts
125.0 ac at sea level
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Mounting Facility Pattern
four position rectangular single mounting facility
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Terminal Type
tab w/screw
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Contact Voltage Rating In Volts
125.0 dc at sea level
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Shaft Length
1.344 inches nominal single actuator
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Longest Vertical Distance Between Mounting Centers
2.297 inches nominal single mounting facility
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Switch Contact Basic Design
nonpile-up symmetrical
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Shaft Type
rectangular/square, threaded hole single actuator
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Switch Actuator Stop Device Type
adjustable stop single actuator
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Unthreaded Mounting Hole Diameter
0.257 inches nominal single mounting facility
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Contact Load Current Rating
10.0 amperes resistive load ac at sea level
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Overall Diameter
3.750 inches nominal
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Individual Section Quantity
12
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Thread Quantity Per Inch
24 single mounting facility
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Reference Number Differentiating Characteristics
material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications
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Switch Actuator Indexing Position Quantity
8 single actuator
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Thread Series Designator
unc single mounting facility
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Throw Quantity
7 each section front
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Square Shaft Size
0.250 inches nominal single actuator
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Pole Quantity
1 each section front
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Nominal Thread Size
0.190 inches single mounting facility
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Contact Switching Action
breaks before makes each section front