Catalogue / Earthing & auxiliary transformers
Unit auxiliary transformer, Ultra 4 seriesSample
by Ajantajyoti Transformers (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
Customise and request quoteMade to order: change the marked specification rows to what you need; Ajantajyoti Transformers (Sample) quotes for it.
Or send an open RFQ to every matching merchant.
Register your company to see prices.
The Ultra 4 range of unit auxiliary transformer by Ajantajyoti covers 3 rating options (315 kVA to 1000 kVA). Design: low zero-sequence impedance, limits fault current to relay-set value and suitable for outdoor substation. Typically used for wind farm collector systems, substation auxiliary supply and power plant station service. Designed and tested to IS 1180, IS 2026 and IEC 60076. Lead time 8-10 weeks; delivers to East & North-East India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Ajantajyoti
- Model
- AJA-C08 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 2 nos
- Lead time
- 8-10 weeks
- Warranty
- 24 months
- Standards
- IS 1180, IS 2026, IEC 60076
- Delivers to
- East & North-East India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- As per item, transit-safe
- Delivery terms
- Door delivery in metro cities
- Returns
- Replacement of items damaged in transit within 7 days
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Rating315 kVAAJA-C08-01 | Rating: 315 kVA | 2 nos · 8-10 weeks | for verified buyers |
| Rating630 kVAAJA-C08-02 | Rating: 630 kVA | 2 nos · 8-10 weeks | for verified buyers |
| Rating1000 kVAAJA-C08-03 | Rating: 1000 kVA | 2 nos · 8-10 weeks | for verified buyers |
Specifications
| Rating | 315 kVA to 1000 kVA (see variants) |
|---|---|
| Type | Station servicemade to order: Earthing (zig-zag) / Auxiliary (Dyn11) |
| Primary voltage | 33 kV |
| Secondary voltage | 0.433 kV |
| Short-time rating | 30 smade to order: 10 s |
| Neutral current | 400 A |
| Cooling | Dry AN |
| Vector group | Dyn11made to order: ZNyn11 |
| Impedance | Low zero-sequencemade to order: 4% / 5% |
| Tap changer | Off-circuit +/- 5% |
| Termination | Cable box |
| Mounting | Skidmade to order: Plinth |
| Neutral protection | CT on neutral |