Catalogue / Bushings, OLTC & transformer accessories
Buchholz relay, Pro seriesSample
by Tejmark Power Transformers (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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The Pro range of buchholz relay by Tejmark covers 5 voltage class options (11 kV to 220 kV). Highlights: direct replacement for common frames, complete spare kits and vacuum type OLTC option. Typically used for substation maintenance, transformer OEMs and reactor manufacturers. Designed and tested to IEC 60137, IEC 60214-1 and IS 2099. Lead time 3-6 weeks; delivers to South India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Tejmark
- Model
- TEJ-439 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 10 nos
- Lead time
- 3-6 weeks
- Warranty
- 18 months
- Standards
- IEC 60137, IEC 60214-1, IS 2099
- Delivers to
- South India
- GST rate
- 18 %
- Country of origin
- India (imported sub-assemblies)
- Packaging
- Steel skid with shrink wrap
- Delivery terms
- FOR site, freight included
- 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 class11 kVTEJ-439-01 | Voltage class: 11 kV | 10 nos · 3-6 weeks | for verified buyers |
| Voltage class33 kVTEJ-439-02 | Voltage class: 33 kV | 10 nos · 3-6 weeks | for verified buyers |
| Voltage class66 kVTEJ-439-03 | Voltage class: 66 kV | 10 nos · 3-6 weeks | for verified buyers |
| Voltage class132 kVTEJ-439-04 | Voltage class: 132 kV | 10 nos · 12-20 weeks | for verified buyers |
| Voltage class220 kVTEJ-439-05 | Voltage class: 220 kV | 10 nos · 12-20 weeks | for verified buyers |
Specifications
| Voltage class | 11 kV to 220 kV (see variants) |
|---|---|
| Component | Buchholz relay |
| Current rating | 1250 Amade to order: 630 A / 2000 A / 3150 A |
| Insulation type | RIP |
| Creepage | 31 mm/kVmade to order: 25 mm/kV |
| Tap steps | 17made to order: 33 |
| Drive | Motor drive unit |
| Housing | Siliconemade to order: Porcelain |
| Mounting | Flange |
| Contact material | Copper-tungsten |
| Test tap | Provided |
| Dielectric strength | Per class |
| Ambient | -5 to 50 deg C |