Step-up / step-down transformer
THG-S plastic-cased step-up & step-down transformers
Fully plastic-cased step-up / step-down converters with thermal fuse and thermal relay protection, designed for equipment whose rated voltage differs from the local mains voltage.
4Catalogue models
100W – 300WCatalogue power range
1989Goldsource founded
1Exterior 3D models
Reconstructed exterior
Every side,
square on.
Illustrative renders reconstructed from catalogue photographs; dimensions are estimated. Appearance and configuration may vary by version.
Interactive exterior
THG-100S,
in the round.
Illustrative exterior model reconstructed from catalogue photographs. Appearance and configuration may vary by version.
Drag to rotate · Scroll to zoom
Illustrative exterior model. Appearance and configuration may vary by version; check against the current product specification.
Historical catalogue record
What the catalogue says.
What to confirm.
- Product category
- Step-up / step-down transformer
- Series
- THG-S
- Catalogue models
- 4
- Source
- Company website archive (2014)
- Source
- DIYTrade listing (2025)
- Current specifications & availability
- Confirm by enquiry
Features as printed in the catalogue
- Input voltage: AC 110V or 220V 50Hz / 60Hz
- Output voltage: AC 110V or 220V 50Hz / 60Hz
- With thermal fuse protection and thermal relay protection
- Built-in AC 110V / 220V voltage selector switch
- Full plastic cover
Catalogue values are historical reference information, not confirmed current specifications. Confirm the exact model, ratings, input range and certification status before ordering.
THG-S catalogue models.
| Model | Rated power | External package size | Net / gross weight | Pieces per carton |
|---|---|---|---|---|
| THG-100S | 100W | 40.0 × 19.5 × 37.5 cm | 25 / 27 kg | 25 |
| THG-150S | 150W | 38.5 × 37.5 × 18.5 cm | 21 / 23 kg | 16 |
| THG-230S | 230W | 38.5 × 37.5 × 18.5 cm | 23 / 25 kg | 16 |
| THG-300S | 300W | 37.5 × 29.5 × 18.5 cm | 20.5 / 22.5 kg | 12 |
Sizes are external package sizes in cm; weights in kg; quantities are pieces per carton.
