Catalogue / Power transformers
Power transformer 3-phase oil-immersed ONAN/ONAF, Core seriesSample
by Chambal Transformers (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Power transformer 3-phase oil-immersed ONAN/ONAF from Chambal, Core series: 6 rating options between 10 MVA and 160 MVA. Key features: condition monitoring sensors, oil-tight tank, vacuum withstand tested and routine, type and special tests. Typically used for grid substations, transmission utilities and solar and wind evacuation. Designed and tested to IS 2026, IEC 60076 and CBIP Manual 317. Lead time 30-40 weeks; delivers to North India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Chambal
- Model
- CHA-F77 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 30-40 weeks
- Warranty
- 36 months from supply
- Standards
- IS 2026, IEC 60076, CBIP Manual 317
- Delivers to
- North India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Drum / reel with end caps
- Delivery terms
- Door delivery in metro cities
- 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 |
|---|---|---|---|
| Rating10 MVACHA-F77-01 | Rating: 10 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating20 MVACHA-F77-02 | Rating: 20 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating31.5 MVACHA-F77-03 | Rating: 31.5 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating50 MVACHA-F77-04 | Rating: 50 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating100 MVACHA-F77-05 | Rating: 100 MVA | 1 nos · 30-40 weeks | for verified buyers |
| Rating160 MVACHA-F77-06 | Rating: 160 MVA | 1 nos · 30-40 weeks | for verified buyers |
Specifications
| Rating | 10 MVA to 160 MVA (see variants) |
|---|---|
| Voltage ratio | 400/220 kVmade to order: 33/11 kV / 66/11 kV / 132/33 kV |
| Cooling | ONAN/ONAF/OFAF |
| Vector group | YNyn0 d11made to order: Dyn11 / YNa0d11 |
| Tap changer | OLTC +/- 10% in 16 stepsmade to order: OLTC 1.25% steps |
| Impedance | 12.5% at 100 MVAmade to order: 10% / 12.5% |
| Insulation fluid | Mineral oil |
| Core | CRGO M0H |
| Winding material | Copper |
| Conservator | Air cellmade to order: Plain |
| Noise level | < 75 dB(A) |
| Terminals | Oil-to-air bushings |
| Monitoring | Buchholz, OTI, WTI, PRV |