Steatite Transformer and Condenser Bushings

When high voltages must be passed through transformer and condenser housings, these bushings are often specified. They are available in standard terminal to base lengths up to 4-1/2 inches and can be supplied with or without hardware. Halves may be paired in varying combinations to provide flexibility for your applications. White glaze is standard with brown glaze and permanent marking available.

Steatite Transformer and Condenser Bushings Steatite Transformer and Condenser Bushings figures

Steatite Transformer and Condenser Bushings Components

Item # Dimension K Dimension J Dimension M Dimension N Dimension P Dimension R Dimension S
INS1979 3/8 in 3/8 in 1/2 in 5/8 in 1/4 in 23/64 in .156 in
INS1980 1/2 in 1/2 in 3/4 in 7/8 in 3/8 in 31/64 in .200 in
INS1981 7/8 in 5/8 in 5/8 in 15/16 in 21/32 in 13/32 in .200 in
INS1892 1-1/4 in 3/4 in 7/8 in 1-1/4 in 1-1/32 in 1/2 in .265 in
INS1983 1-1/4 in 3/4 in 3/4 in 1-1/8 in 1-1/32 in 13/32 in .200 in
INS1984 1-1/2 in 1 in 7/8 in 1-3/8 in 1-9/32 in 17/32 in .265 in
INS1985 1-1/2 in 1 in 3/4 in 1-1/4 in 1-9/32 in 15/32 in .205 in
INS1986 2 in 1-1/2 in 1 in 1-1/2 in 1-11/16 in 19/32 in .328 in
INS1987 2 in 1-1/2 in 3/4 in 1-1/4 in 1-11/16 in 15/32 in .205 in
INS1988 2-1/2 in 1-5/8 in 1-1/8 in 1-3/4 in 2-1/8 in 21/32 in .390 in
INS1989 2-1/2 in 1-5/8 in 3/4 in 1-1/4 in 2-1/8 in 15/32 in .205 in
INS1990 3-1/2 in 2-1/4 in 1-1/8 in 1-3/4 in 3-1/8 in 23/32 in .390 in
INS1991 3-1/2 in 2-1/4 in 7/8 in 1-3/8 in 3-1/8 in 17/32 in .205 in
INS1992 4-1/2 in 3 in 1-1/4 in 2 in 4-1/32 in 29/32 in .520 in
INS1993 4-1/2 in 3 in 1 in 1-5/8 in 4-1/32 in 5/8 in .265 in
Item # Dimension K Dimension J Dimension M Dimension N Dimension P Dimension R Dimension S
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* These dimensions apply also to the individual insulators forming parts of ” 0″ and “E”.

NOTE: For added creep leakage protection in hostile environments, convolutions can be provided on the external glazed surface, Please consult with us concerning your needs.

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Steatite Transformer and Condenser Bushings Assemblies

Item # Type D Type E Rod Dia. Type D Type E
INS1979 - 3/4 in .136 in - -
INS1980 - 1 3/16 in 2-1/8 in 2-1/8 in
INS1981 1-1/2 in 1-3/4 in 3/16 in 2-5/8 in 2-7/8 in
INS1892 2 in 2-1/2 in 1/4 in 3-1/2 in 4 in
INS1983 2 in 2-1/2 in 3/16 in 3-1/8 in 3-5/8 in
INS1984 2-1/2 in 3 in 1/4 in 4 in 4-1/2 in
INS1985 2-1/2 in 3 in 3/16 in 3-3/4 in 4-1/4 in
INS1986 3-1/2 in 4 in 5/16 in 5-1/4 in 5-3/4 in
INS1987 3-1/2 in 4 in 3/16 in 4-3/4 in 5-1/4 in
INS1988 4-1/8 in 5 in 3/8 in 6 in 6-7/8 in
INS1989 4-1/8 in 5 in 3/16 in 5-1/2 in 6-3/8 in
INS1990 5-3/4 in 7in 3/8 in 7-5/8in 8-7/8 in
INS1991 5-3/4 in 7in 3/16 in 7-1/8 in 8-3/8 in
INS1992 7-1/2 in 9 in 1/2 in 9-3/4 in 11-1/4 in
INS1993 7-1/2 in 9 in 1/4 in 9-1/8 in 10-5/8 in
Item # Type D Type E Rod Dia. Type D Type E
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