Low Voltage Transformer Bushings | Suvell

Low voltage transformer bushings for distribution transformer secondary connections. Review epoxy, tri-clamp, porcelain, and plug-in configurations with Suvell.

Transparent low voltage transformer bushing product cutout
Transformer Components

Low voltageTransformerbushings

Specify low voltage transformer bushings for secondary connections on liquid-filled distribution transformers. Start with the insulation family, rated-current range, tank-wall mounting and terminal arrangement; then confirm the final drawing against the project package.

Transformer secondary interface directory

LOW VOLTAGE TRANSFORMERBUSHING CONFIGURATIONS

Select the insulation family first, then use the relevant product visual and source drawing to review rated current, tank-wall mounting, terminal arrangement, and sealing conditions.

1.2 kV 3000 A epoxy low voltage bushing
Epoxy secondary

1.2 kV 3000 A Epoxy LV Bushing

Review epoxy-molded low voltage transformer bushings where the secondary terminal design, rated current range, and tank-wall mounting must work together.

1.2 kV 2000 A epoxy low voltage bushing
Epoxy secondary

1.2 kV 2000 A Epoxy LV Bushing

Review epoxy-molded low voltage transformer bushings where the secondary terminal design, rated current range, and tank-wall mounting must work together.

1.2 kV 1600 A epoxy low voltage bushing
Epoxy secondary

1.2 kV 1600 A Epoxy LV Bushing

Review epoxy-molded low voltage transformer bushings where the secondary terminal design, rated current range, and tank-wall mounting must work together.

1.2 kV 1000 A epoxy low voltage bushing
Epoxy secondary

1.2 kV 1000 A Epoxy LV Bushing

Review epoxy-molded low voltage transformer bushings where the secondary terminal design, rated current range, and tank-wall mounting must work together.

630 A epoxy low voltage bushing
Epoxy secondary

630 A Epoxy LV Bushing

Review epoxy-molded low voltage transformer bushings where the secondary terminal design, rated current range, and tank-wall mounting must work together.

400 A epoxy low voltage bushing
Epoxy secondary

400 A Low Voltage Epoxy Resin Bushing

Review epoxy-molded low voltage transformer bushings where the secondary terminal design, rated current range, and tank-wall mounting must work together.

Epoxy secondary

1.2 kV 3000 A Epoxy LV Bushing

Use the published data and source drawing to verify terminal arrangement, tank-wall mounting, and sealing conditions. Final dimensions and other project-dependent details remain subject to drawing and project confirmation.

Engineering drawing First-party Suvell source
1.2 kV 3000 A epoxy bushing engineering drawing
Published technical parametersSource value
Rated voltage1.2 kV
Rated current3000 A
ApplicationSecondary bushing in liquid-filled transformers
Conductor alternativesCopper or aluminum
Copper conductor constructionC110 electrolytic copper with silver-brazed connections
Request engineering review
Epoxy secondary

1.2 kV 2000 A Epoxy LV Bushing

Use the published data and source drawing to verify terminal arrangement, tank-wall mounting, and sealing conditions. Final dimensions and other project-dependent details remain subject to drawing and project confirmation.

Engineering drawing First-party Suvell source
1.2 kV 2000 A epoxy bushing engineering drawing
Published technical parametersSource value
Rated voltage1.2 kV
Rated current2000 A
ApplicationSecondary bushing in liquid-filled transformers
Conductor alternativesCopper or aluminum
Copper conductor constructionC110 electrolytic copper with silver-brazed connections
Request engineering review
Epoxy secondary

1.2 kV 1600 A Epoxy LV Bushing

Use the published data and source drawing to verify terminal arrangement, tank-wall mounting, and sealing conditions. Final dimensions and other project-dependent details remain subject to drawing and project confirmation.

Engineering drawing First-party Suvell source
1.2 kV 1600 A epoxy bushing engineering drawing
Published technical parametersSource value
Rated voltage1.2 kV
Rated current1600 A
ApplicationSecondary bushing in liquid-filled transformers
Conductor alternativesCopper or aluminum
Copper conductor constructionC110 electrolytic copper with silver-brazed connections
Request engineering review
Epoxy secondary

1.2 kV 1000 A Epoxy LV Bushing

Use the published data and source drawing to verify terminal arrangement, tank-wall mounting, and sealing conditions. Final dimensions and other project-dependent details remain subject to drawing and project confirmation.

Engineering drawing First-party Suvell source
1.2 kV 1000 A epoxy bushing engineering drawing
Published technical parametersSource value
Rated voltage1.2 kV
Rated current1000 A
ApplicationSecondary bushing in liquid-filled transformers
Conductor alternativesCopper or aluminum
Copper conductor constructionC110 electrolytic copper with silver-brazed connections
Request engineering review
Epoxy secondary

630 A Epoxy LV Bushing

Use the published data and source drawing to verify terminal arrangement, tank-wall mounting, and sealing conditions. Final dimensions and other project-dependent details remain subject to drawing and project confirmation.

Alternate source view First-party Suvell source
630 A epoxy bushing alternate Suvell product view
Published technical parametersSource value
Rated voltage1.2 kV
Rated current630 A
ApplicationSecondary bushing in liquid-filled transformers
Conductor alternativesCopper or aluminum
Copper conductor constructionC110 electrolytic copper with silver-brazed connections
Request engineering review
Epoxy secondary

400 A Low Voltage Epoxy Resin Bushing

Use the published data and source drawing to verify terminal arrangement, tank-wall mounting, and sealing conditions. Final dimensions and other project-dependent details remain subject to drawing and project confirmation.

Alternate source view First-party Suvell source
400 A epoxy bushing alternate Suvell product view
Published technical parametersSource value
Rated voltage1.2 kV
Rated current400 A
ApplicationSecondary bushing in liquid-filled transformers
Conductor alternativesCopper or aluminum
Copper conductor constructionC110 electrolytic copper with silver-brazed connections
Request engineering review
Tri-clamp secondary

5/8 in Integral Clamp Bushing

Use the published data and source drawing to verify terminal arrangement, tank-wall mounting, and sealing conditions. Final dimensions and other project-dependent details remain subject to drawing and project confirmation.

Alternate source view First-party Suvell source
5/8 inch integral clamp bushing alternate Suvell product view
Published technical parametersSource value
Voltage class1.2 kV
Basic impulse level (BIL)30 kV
AC withstand voltage10 kV / min
Continuous current1500 A
Operating temperature-40°C to +140°C
Environmental conditionIndoor (no salt fog / chemical corrosion)
Conductor materialCopper (C11000)
Insulation body colorBlack
Recommended tank-hole diameter45.0 ±0.5 mm
Sealing gasketAs per source left-view diagram
CustomizationDimensions adjustable per customer requirements
Request engineering review
Tri-clamp secondary

1 in Integral Clamp Bushing

Use the published data and source drawing to verify terminal arrangement, tank-wall mounting, and sealing conditions. Final dimensions and other project-dependent details remain subject to drawing and project confirmation.

Alternate source view First-party Suvell source
1 inch integral clamp bushing alternate Suvell product view
Published technical parametersSource value
Rated voltage1.2 kV (1200 V)
Rated current1200 A
Insulation materialThermoplastic (PA6 / PC / PET)
Flammability ratingUL94 V-0
Mounting typeFlange mount (with gasket)
TerminationStud terminals (copper, tin-plated)
Creepage distance≥ 20 mm
Operating temperature-40°C to +105°C
Dielectric withstand3 kV / 1 min
Insulation resistance≥ 1000 MΩ
StandardsIEC 60076-22; UL optional
Request engineering review
Porcelain bushing

1 kV 250 A Porcelain Bushing

Use the published data and source drawing to verify terminal arrangement, tank-wall mounting, and sealing conditions. Final dimensions and other project-dependent details remain subject to drawing and project confirmation.

Alternate source view First-party Suvell source
1 kV 250 A porcelain bushing alternate Suvell product view
Published technical parametersSource value
Product-rated designation1 kV / 250 A
Source insulation table — 1 kV (max / 60 s PF dry / damp / impulse dry)— / 8 kV / — / —
Source insulation table — 6 kV (max / 60 s PF dry / damp / impulse dry)7.2 kV / 26 kV / 23 kV / 60 kV
Source insulation table — 10 kV (max / 60 s PF dry / damp / impulse dry)12 kV / 42 kV / 30 kV / 75 kV
Source insulation table — 20 kV (max / 60 s PF dry / damp / impulse dry)24 kV / 58 kV / 50 kV / 125 kV
Source insulation table — 35 kV (max / 60 s PF dry / damp / impulse dry)40.5 kV / 98 kV / 80 kV / 200 kV
Source insulation table — 66 kV (max / 60 s PF dry / damp / impulse dry)72.5 kV / 147 kV / 140 kV / 325 kV
Request engineering review
Porcelain bushing

1 kV 400 A Porcelain Bushing

Use the published data and source drawing to verify terminal arrangement, tank-wall mounting, and sealing conditions. Final dimensions and other project-dependent details remain subject to drawing and project confirmation.

Alternate source view First-party Suvell source
1 kV 400 A porcelain bushing alternate Suvell product view
Published technical parametersSource value
Product-rated designation1 kV / 400 A
Source insulation table — 1 kV (max / 60 s PF dry / damp / impulse dry)— / 8 kV / — / —
Source insulation table — 6 kV (max / 60 s PF dry / damp / impulse dry)7.2 kV / 26 kV / 23 kV / 60 kV
Source insulation table — 10 kV (max / 60 s PF dry / damp / impulse dry)12 kV / 42 kV / 30 kV / 75 kV
Source insulation table — 20 kV (max / 60 s PF dry / damp / impulse dry)24 kV / 58 kV / 50 kV / 125 kV
Source insulation table — 35 kV (max / 60 s PF dry / damp / impulse dry)40.5 kV / 98 kV / 80 kV / 200 kV
Source insulation table — 66 kV (max / 60 s PF dry / damp / impulse dry)72.5 kV / 147 kV / 140 kV / 325 kV
Request engineering review
Porcelain bushing

1 kV 800 A Porcelain Bushing

Use the published data and source drawing to verify terminal arrangement, tank-wall mounting, and sealing conditions. Final dimensions and other project-dependent details remain subject to drawing and project confirmation.

Published technical parametersSource value
Product-rated designation1 kV / 800 A
Source insulation table — 1 kV (max / 60 s PF dry / damp / impulse dry)— / 8 kV / — / —
Source insulation table — 6 kV (max / 60 s PF dry / damp / impulse dry)7.2 kV / 26 kV / 23 kV / 60 kV
Source insulation table — 10 kV (max / 60 s PF dry / damp / impulse dry)12 kV / 42 kV / 30 kV / 75 kV
Source insulation table — 20 kV (max / 60 s PF dry / damp / impulse dry)24 kV / 58 kV / 50 kV / 125 kV
Source insulation table — 35 kV (max / 60 s PF dry / damp / impulse dry)40.5 kV / 98 kV / 80 kV / 200 kV
Source insulation table — 66 kV (max / 60 s PF dry / damp / impulse dry)72.5 kV / 147 kV / 140 kV / 325 kV
Request engineering review
Porcelain bushing

200 A to 3000 A Bushing

Use the published data and source drawing to verify terminal arrangement, tank-wall mounting, and sealing conditions. Final dimensions and other project-dependent details remain subject to drawing and project confirmation.

Alternate source view First-party Suvell source
200 A to 3000 A bushing alternate Suvell product view
Published technical parametersSource value
Product-rated designation200 A to 3000 A
Source insulation table — 1 kV (max / 60 s PF dry / damp / impulse dry)— / 8 kV / — / —
Source insulation table — 6 kV (max / 60 s PF dry / damp / impulse dry)7.2 kV / 26 kV / 23 kV / 60 kV
Source insulation table — 10 kV (max / 60 s PF dry / damp / impulse dry)12 kV / 42 kV / 30 kV / 75 kV
Source insulation table — 20 kV (max / 60 s PF dry / damp / impulse dry)24 kV / 58 kV / 50 kV / 125 kV
Source insulation table — 35 kV (max / 60 s PF dry / damp / impulse dry)40.5 kV / 98 kV / 80 kV / 200 kV
Source insulation table — 66 kV (max / 60 s PF dry / damp / impulse dry)72.5 kV / 147 kV / 140 kV / 325 kV
Request engineering review
Plug-in epoxy

250A / 630A Distribution Transformer Plug-in Epoxy Bushing

Use the published data and source drawing to verify terminal arrangement, tank-wall mounting, and sealing conditions. Final dimensions and other project-dependent details remain subject to drawing and project confirmation.

Engineering drawing Supplied product engineering drawing
Distribution transformer plug-in epoxy bushing engineering drawing
Published technical parametersSource value
Published current designation250 A / 630 A
Request engineering review
Secondary interface project handoff · before release

Engineer the transformerbushing interface

Use the published low voltage transformer bushing family as the selection starting point. Before quotation, align conductor material, terminal type, tank-wall opening, sealing face, electrical duty, inspection evidence, packing method, and destination with the project documentation.

External terminalTransformer tank wallInternal conductorLow voltage transformer bushing interface topology
Illustrative project-review topology. Confirm the final interface against the selected product drawing and project package.

Confirm the transformer bushing engineering inputs

Terminal and conductor arrangement

State the conductor material, terminal form, plating requirement, connection orientation, and continuous-current duty so the selected bushing can be reviewed against the transformer secondary circuit.

Tank-wall and sealing interface

Provide the tank-wall mounting face, opening or flange information, gasket or sealing condition, clearance envelope, and transformer layout so the interface can be checked before drawing release.

Evidence package

Include drawings, interface photos, nameplate information, quantity, destination, inspection expectations, and applicable standards. These inputs establish the engineering and procurement basis for the low voltage bushing RFQ.

Prepare a project-ready transformer bushing package.

Keep the selected bushing family, terminal arrangement, technical evidence, inspection requirements, and delivery conditions together so quotation review begins with a defined engineering basis.

Suvell epoxy bushing injection molding production reference

OEM / ODM coordination

Confirm terminal options, interface geometry, marking, and transformer integration requirements before the manufacturing review.

Suvell epoxy bushing testing and X-ray inspection reference

Quality-control evidence

Define inspection, traceability, test evidence, and documentation expectations for the selected transformer bushing configuration.

Suvell epoxy bushing finished-product dispatch reference

Packaging and delivery

State quantity, destination, packing basis, logistics constraints, and requested delivery timing for the project.

Engineering selection FAQ

Low voltagebushing FAQ

Use these answers to separate the published family range from the interface details that require drawing and project confirmation before quotation.

How do I select a low voltage transformer bushing?

Start with the transformer secondary connection, insulation family, tank-wall mounting method, rated-current requirement, and terminal form. Compare the published family data with the project drawing and sealing arrangement before selecting epoxy-molded, tri-clamp, porcelain, or plug-in construction.

Which interface details need project confirmation?

Published family ranges and insulation references guide the initial selection. Terminal form, conductor material, tank-wall mounting face, gasket or sealing arrangement, physical dimensions, and the final drawing remain subject to project confirmation.

Can the terminal arrangement be customized?

Yes. Share the required stud, spade, or other terminal form; conductor material; plating requirement; connection orientation; continuous-current duty; and transformer interface evidence for engineering review.

What should an engineering RFQ include?

Include quantity, destination, inspection or traceability requirements, packing expectation, requested delivery method, drawings, transformer interface photos, nameplate information, and the applicable standard where available.

Request engineering support

Request transformerbushing support

Send the selected bushing family and transformer interface evidence so the review can confirm the connection, mounting, sealing, and project inputs before quotation.

Include with your inquiry
Required current and insulation familyTransformer application and standardTank-wall mounting and sealingTerminal and conductor arrangementQuantity, destination, and delivery timingDrawings, nameplate, or interface photos
Send project inquiry

Request a Low Voltage Transformer Bushing review

Tell us the transformer application, selected low voltage bushing family, published range under review, terminal arrangement, tank-wall mounting, sealing conditions, quantity, destination, and available project documentation.

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