M7408973
Coils and Transformers
TRANSFORMER,POWER AUTOTRANSFORMER
M7408973
American Telephone And Telegraph Co
TRANSFORMER,POWER AUTOTRANSFORMER
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Technical Characteristics
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Body Length
3.812 inches nominal
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Winding Function And Quantity
1 primary, fixed autotransformer type single component
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Winding Operating Voltage
115.00 ac pounds per hour wet single component single primary input
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Body Height
3.312 inches nominal
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Nominal Thread Size
0.190 inches single group
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Dummy Terminal Quantity (Non-Core)
2
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Input-Output Phase Relationship
single phase to single phase single component
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Winding Operating Current
1.0 amperes nominal b and better drop siding single component single primary output
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Reliability Indicator
not established
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Mounting Facility Quantity
3 single group
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Mounting Method
threaded stud single group and core single group
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Thread Series Designator
unef single group
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Winding Operating Voltage
0.00 ac pounds per hour dry single component single primary output and 135.00 ac pounds per hour with retaining chain single component single primary output
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Inclosure Type
fully inclosed
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Thread Direction (Non-Core)
right-hand single group
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Terminal Type And Quantity
3 tab, solder lug
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Winding Power Rating
170.0 volts-amperes single component single primary input
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Body Width
3.625 inches nominal
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Thread Class (Non-Core)
2a single group
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Mounting Bolt Circle Diameter
2.500 inches nominal single mounting facility single center group
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Frequency Rating
380.0 hertz minimum single component and 420.0 hertz maximum single component