This ANSI transformer bushing series covers 15 kV, 18 kV, 25 kV and 34 kV ratings with 4-hole terminal pad configurations. Current options range from 125 A through 600 A, and the source catalog includes 4-shed, 7-shed, 10-shed and 11-shed profiles. The technical table below lists all catalog variants and the corresponding dimensions, conductor thread sizes and creepage distances.
Series Overview
- Voltage range: 15–34 kV
- Current range: 125–600 A
- Configurations: 4-hole terminal pads
- Available catalog variants: 16
Available Models and Technical Parameters
| Model | Shed | H | h1 | h2 | h3 | Md | Ød | Creepage |
|---|---|---|---|---|---|---|---|---|
| ANSI-15KV-125A-4-HOLE | 4-SHED | 477 | 156 | 184 | 53 | 3/8″-16UNC | 101 | 279.4 |
| ANSI-15KV-250A-4-HOLE | 4-SHED | 477 | 156 | 184 | 53 | 1/2″-13UNC | 101 | 279.4 |
| ANSI-15KV-417A-4-HOLE | 4-SHED | 477 | 156 | 184 | 53 | 5/8″-11UNC | 101 | 279.4 |
| ANSI-15KV-600A-4-HOLE | 4-SHED | 477 | 156 | 184 | 53 | 3/4″-10UNC | 101 | 279.4 |
| ANSI-18KV-125A-4-HOLE | 7-SHED | 587.5 | 213 | 184 | 53 | 3/8″-16UNC | 101 | 450.85 |
| ANSI-18KV-250A-4-HOLE | 7-SHED | 587.5 | 213 | 184 | 53 | 1/2″-13UNC | 101 | 450.85 |
| ANSI-18KV-417A-4-HOLE | 7-SHED | 587.5 | 213 | 184 | 53 | 5/8″-11UNC | 101 | 450.85 |
| ANSI-18KV-600A-4-HOLE | 7-SHED | 587.5 | 213 | 184 | 53 | 3/4″-10UNC | 101 | 450.85 |
| ANSI-25KV-125A-4-HOLE | 10-SHED | 591 | 270 | 184 | 53 | 3/8″-16UNC | 101 | 775 |
| ANSI-25KV-250A-4-HOLE | 10-SHED | 592 | 270 | 184 | 53 | 1/2″-13UNC | 101 | 775 |
| ANSI-25KV-417A-4-HOLE | 10-SHED | 593 | 270 | 184 | 53 | 5/8″-11UNC | 101 | 775 |
| ANSI-25KV-600A-4-HOLE | 10-SHED | 594 | 270 | 184 | 53 | 3/4″-10UNC | 101 | 775 |
| ANSI-34KV-125A-4-HOLE | 11-SHED | 663 | 343 | 184 | 53 | 3/8″-16UNC | 107 | 774.7 |
| ANSI-34KV-250A-4-HOLE | 11-SHED | 663 | 343 | 184 | 53 | 1/2″-13UNC | 107 | 774.7 |
| ANSI-34KV-417A-4-HOLE | 11-SHED | 663 | 343 | 184 | 53 | 5/8″-11UNC | 107 | 774.7 |
| ANSI-34KV-600A-4-HOLE | 11-SHED | 663 | 343 | 184 | 53 | 3/4″-10UNC | 107 | 774.7 |
Dimensions are in millimeters unless otherwise indicated. Thread designations and reference codes are reproduced from the source catalog. A dash indicates that no value is listed in the source table.
