Catalogue / Earthing & auxiliary transformers
Zig-zag earthing transformer, Flex seriesSample
by Hampiohm Power Transformers (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Zig-zag earthing transformer from Hampiohm, Flex series: 3 rating options between 100 kVA and 630 kVA. Key features: low zero-sequence impedance, provides earth reference to ungrounded systems and limits fault current to relay-set value. Suited to industrial networks, substation auxiliary supply and wind farm collector systems. Designed and tested to IS 1180, IS 2026 and IEC 60076. Lead time 3-5 weeks; delivers to North India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Hampiohm
- Model
- HAM-F31 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 2 nos
- Lead time
- 3-5 weeks
- Warranty
- 18 months
- Standards
- IS 1180, IS 2026, IEC 60076
- Delivers to
- North India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Drum / reel with end caps
- Delivery terms
- Ex-works, freight extra at actuals
- 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 |
|---|---|---|---|
| Rating100 kVAHAM-F31-01 | Rating: 100 kVA | 2 nos · 3-5 weeks | for verified buyers |
| Rating315 kVAHAM-F31-02 | Rating: 315 kVA | 2 nos · 3-5 weeks | for verified buyers |
| Rating630 kVAHAM-F31-03 | Rating: 630 kVA | 2 nos · 3-5 weeks | for verified buyers |
Specifications
| Rating | 100 kVA to 630 kVA (see variants) |
|---|---|
| Type | Earthing (zig-zag)made to order: Auxiliary (Dyn11) / Station service |
| Primary voltage | 33 kV |
| Secondary voltage | 0.433 kV |
| Short-time rating | 30 smade to order: 10 s |
| Neutral current | 200 Amade to order: 400 A / 800 A |
| Cooling | ONAN |
| Vector group | ZNyn11made to order: Dyn11 |
| Impedance | Low zero-sequencemade to order: 4% / 5% |
| Tap changer | Off-circuit +/- 5% |
| Termination | Cable box |
| Mounting | Skid |
| Neutral protection | CT on neutral |