Catalogue / Servo stabilisers & isolation transformers
K-factor isolation transformer, Ultra seriesSample
by Vaigai Power Electronics (Sample) · verified by BARREL
Price on quote
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Vaigai Ultra k-factor isolation transformer, offered in 4 rating options from 50 kVA to 500 kVA. Key features: optional servo stabiliser for voltage regulation, k-rated design for harmonic-rich loads and vacuum pressure impregnated winding. Typically used for sensitive electronic and CNC machines, IT and data centres and medical and lab equipment. Designed and tested to IS 11171, IS 2026 and IEC 61558-2-4. Lead time 2-3 weeks; delivers to All India and export (SAARC, Middle East, Africa). Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Vaigai
- Model
- VAI-9B9 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 2-3 weeks
- Warranty
- 12 months from commissioning
- Standards
- IS 11171, IS 2026, IEC 61558-2-4
- Delivers to
- All India and export (SAARC, Middle East, Africa)
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- As per item, transit-safe
- Delivery terms
- FOR nearest railhead
- Returns
- Returns within 15 days if unused, in original packing
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Rating50 kVAVAI-9B9-01 | Rating: 50 kVA | 1 nos · 2-3 weeks | on quote |
| Rating100 kVAVAI-9B9-02 | Rating: 100 kVA | 1 nos · 2-3 weeks | on quote |
| Rating250 kVAVAI-9B9-03 | Rating: 250 kVA | 1 nos · 4-6 weeks | on quote |
| Rating500 kVAVAI-9B9-04 | Rating: 500 kVA | 1 nos · 4-6 weeks | on quote |
Specifications
| Rating | 50 kVA to 500 kVA (see variants) |
|---|---|
| Primary voltage | 230 Vmade to order: 415 V / 380-440 V |
| Secondary voltage | 230 Vmade to order: 415 V / 110 V |
| Phases | 3-phmade to order: 1-ph |
| Winding | Aluminiummade to order: Copper |
| Shielding | Electrostatic shield between windings |
| K-factor | K4made to order: K1 / K13 |
| Insulation class | Class H |
| Cooling | AF |
| Impedance | 3-5% |
| Temperature rise | Within 80 K |
| Enclosure | IP54 |
| Efficiency | > 97% |