Catalogue / Bushings, OLTC & transformer accessories
Buchholz relay, Elite 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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Buchholz relay from Hampiohm, Elite series: 5 voltage class options between 11 kV and 220 kV. Highlights: compatible with mineral and ester oils, dry-out free RIP construction and complete spare kits. Typically used for utility spares, substation maintenance and transformer OEMs. Designed and tested to IEC 60137, IEC 60214-1 and IS 2099. Lead time 12-20 weeks; delivers to North India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Hampiohm
- Model
- HAM-431 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 10 nos
- Lead time
- 12-20 weeks
- Warranty
- 18 months
- Standards
- IEC 60137, IEC 60214-1, IS 2099
- Delivers to
- North India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- As per item, transit-safe
- Delivery terms
- Ex-works, freight extra at actuals
- 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 |
|---|---|---|---|
| Voltage class11 kVHAM-431-01 | Voltage class: 11 kV | 10 nos · 12-20 weeks | for verified buyers |
| Voltage class33 kVHAM-431-02 | Voltage class: 33 kV | 10 nos · 12-20 weeks | for verified buyers |
| Voltage class66 kVHAM-431-03 | Voltage class: 66 kV | 10 nos · 12-20 weeks | for verified buyers |
| Voltage class132 kVHAM-431-04 | Voltage class: 132 kV | 10 nos · 12-20 weeks | for verified buyers |
| Voltage class220 kVHAM-431-05 | Voltage class: 220 kV | 10 nos · 12-20 weeks | for verified buyers |
Specifications
| Voltage class | 11 kV to 220 kV (see variants) |
|---|---|
| Component | OTI/WTImade to order: Bushing / OLTC / Buchholz relay |
| Current rating | 2000 Amade to order: 630 A / 1250 A / 3150 A |
| Insulation type | OIP |
| Creepage | 25 mm/kV |
| Tap steps | 33 |
| Drive | Motor drive unitmade to order: Manual |
| Housing | Porcelainmade to order: Silicone |
| Mounting | Flange |
| Contact material | Copper-tungsten |
| Test tap | Provided |
| Dielectric strength | Per class |
| Ambient | -5 to 50 deg C |