Threaded 1kV LV ANSI Transformer Bushing 30kV BIL
Screw Thread Transformer Bushings
Product Overview
A 1 kV low voltage ANSI transformer bushing with a 30 kV BIL, built from wet process porcelain in a light grey glaze. It is assembled with NBR gaskets, a copper threaded rod, a blued steel spin grip nut, a zinc-plated brass connector and a stainless steel lock washer and nut. The published connector table runs from 125 A with a 3/8 inch by 16 thread up to 1250 A in copper.
Key benefits
Why Buyers Choose This Part
- 30 kV BIL on a 1 kV rated low voltage bushing
- Published connector table from 125 A to 1250 A with thread and type
- Complete assembly including gaskets and stainless fasteners
- Customers' own designs accepted
Application scenarios
Where It Is Used
- 1 kV low voltage terminals on ANSI pattern transformers
- Terminal boards using eyebolt or flat connectors
- Transformer manufacture covering several LV ratings from one family
- Replacement of complete bushing assemblies with accessories
Who it is for
Who It Suits
- Transformer manufacturers building ANSI LV terminals
- Buyers purchasing bushings with accessories as a set
- Distributors supplying the ANSI LV bushing family
Problems it solves
What Goes Wrong Without The Right Part
- Connector thread and type mismatches at the LV terminal
- Bushings sold without the accessories needed to install them
- Insufficient impulse margin on low voltage terminals
- Long lead times when several current ratings are needed at once
Technical features
How It Is Built
- Rated voltage 1 kV with 30 kV BIL
- Wet process porcelain insulator
- Light grey glaze colour
- ANSI standard
- NBR gaskets, copper threaded rod, blued steel spin grip nut
- Zinc-plated brass connector, stainless steel lock washer and nut
- Connector table covering 125 A, 208 A, 630 A, 800 A, 1000 A and 1250 A
Specifications
Published Figures For This Product
Every value below comes from the manufacturer data for this item. Figures not listed are confirmed against the drawing before an order is placed.
| Rated Voltage | 1 kV |
|---|---|
| BIL | 30 kV |
Materials
Materials
- Wet process porcelain
- Copper threaded rod
- NBR gaskets
- Zinc-plated brass connector
- Stainless steel washer and nut
Manufacturing
Process
- Forming
- Glazing
- Firing
- Rod machining
- Hardware assembly
- Electrical test
Quality control
Testing
- BIL verification at 30 kV
- Connector thread and type check against the order
- Gasket and fastener assembly inspection
Certifications
Certification
- Built to ANSI standard
- ISO 9001 quality management system
Customisation
Customisation Options
- Connector size and type selected from the published table
- Customers' designs accepted
- Large production capacity for repeat orders
Comparison
How It Compares
| DIN 42530 LV bushings | DIN uses metric stem threads and publishes creepage per rating. The ANSI family publishes connector size and type instead, in imperial threads. |
|---|---|
| 1.2 kV 800A ANSI bushing | The same ANSI LV family at a higher current, using a 1 inch connector. Order by the current and connector type you need. |
Use guide
Before You Order And After It Arrives
- Pick the connector size and type from the table before ordering
- Order the bushing with accessories if you need the full set
- Replace NBR gaskets at every removal
- Match the connector metal to your cable lugs
Questions
Threaded 1kV LV ANSI Transformer Bushing 30kV BIL Questions
What is the BIL?
30 kV, at a rated voltage of 1 kV.
What is the insulator made of?
Wet process porcelain with a light grey glaze.
What connector sizes are available?
The table runs from 125 A with a 3/8 inch by 16 thread and 5/8 inch, 13/16 inch or 20 mm eyebolt and flat connectors, through 208 A, 630 A, 800 A, 1000 A and 1250 A.
Can I buy the bushing with accessories?
Yes. Email or call us and we will quote the bushing complete with the hardware set.
Which standard applies?
ANSI.
Do you accept our own design?
Yes, customers' designs are accepted.
Related
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Keep reading
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Guide
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Quote For Threaded 1kV LV ANSI Transformer Bushing 30kV BIL
Send the quantity and any drawing you have. Enquiries are answered within 24 hours, and we produce to customer drawings and samples.