Step-Down Distribution Transformer
Dry-type LT step-down transformers, 5-300 kVA, typically 380-415 VAC 3-phase to 208/120 VAC, wound in pure copper.
Specifications05 rows
| Input | 380-415 VAC 3-phase 50 Hz |
|---|---|
| Output | 208/120 VAC 3-phase 50 Hz (other secondaries to order) |
| Rating | 5 kVA to 300 kVA (30-150 kW commonly supplied) |
| Winding | Pure copper |
| Type | Dry type, air cooled |
built to date · 03
Standard build configurations
Configurations of this unit built to date. Ratings outside this list are quoted against the same platform.
- 01
- 02step-down with inductor for 28.5 VDC supplies
- 03for UPS input supply
Features · 04
- Pure copper windings at conservative current density
- Class F/H insulation options
- Off-load tap changer for supply voltage variation
- Terminal box or bus-bar termination to site requirement
Options · 04
- Enclosed IP-rated housing
- Electrostatic screen between windings
- Off-load taps ±5%
- Temperature monitoring
Applications · 04
- UPS input supply matching
- Imported machinery at 208/120 V
- Defence installations
- Laboratory and test facility supplies
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