Catalogue / Bushings, OLTC & transformer accessories
Buchholz relay, Xtra seriesSample
by Narmadapushpak Power Transformers (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Narmadapushpak Xtra buchholz relay, offered in 4 voltage class options from 33 kV to 220 kV. Highlights: compatible with mineral and ester oils, type-tested bushing design and direct replacement for common frames. Used by refurbishment of old transformers, substation maintenance and reactor manufacturers. Designed and tested to IEC 60137, IEC 60214-1 and IS 2099. Lead time 12-20 weeks; delivers to All India and export (SAARC, Middle East, Africa). Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Narmadapushpak
- Model
- NAR-434 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 12-20 weeks
- Warranty
- 18 months
- Standards
- IEC 60137, IEC 60214-1, IS 2099
- Delivers to
- All India and export (SAARC, Middle East, Africa)
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Corrugated box on pallet
- 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 |
|---|---|---|---|
| Voltage class33 kVNAR-434-01 | Voltage class: 33 kV | 1 nos · 12-20 weeks | for verified buyers |
| Voltage class66 kVNAR-434-02 | Voltage class: 66 kV | 1 nos · 12-20 weeks | for verified buyers |
| Voltage class132 kVNAR-434-03 | Voltage class: 132 kV | 1 nos · 12-20 weeks | for verified buyers |
| Voltage class220 kVNAR-434-04 | Voltage class: 220 kV | 1 nos · 12-20 weeks | for verified buyers |
Specifications
| Voltage class | 33 kV to 220 kV (see variants) |
|---|---|
| Component | OLTCmade to order: Bushing / Buchholz relay / OTI/WTI |
| Current rating | 3150 Amade to order: 630 A / 1250 A / 2000 A |
| Insulation type | OIP |
| Creepage | 25 mm/kV |
| Tap steps | 33made to order: 17 |
| Drive | Motor drive unit |
| Housing | Porcelainmade to order: Silicone |
| Mounting | Flangemade to order: Tank-top |
| Contact material | Copper-tungsten |
| Test tap | Provided |
| Dielectric strength | Per class |
| Ambient | -5 to 50 deg C |