Catalogue / Transformer spares
Buchholz relay, Max seriesSample
by Krishna Metals (Sample) · verified by BARREL
Price on quote
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Krishna Max buchholz relay, offered in 5 voltage class options from 11 kV to 220 kV. Key features: technical drawing provided, dispatch from stock for common ratings and polymer options for pollution areas. Used by transformer overhaul, retrofitting for older units and failure replacement. Designed and tested to IEC 60137, IS 2099 and IEC 60076. Lead time 6-12 weeks; delivers to All India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Krishna
- Model
- KRI-437 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 6-12 weeks
- Warranty
- 12 months from supply
- Standards
- IEC 60137, IS 2099, IEC 60076
- Delivers to
- All India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Steel skid with shrink wrap
- Delivery terms
- FOR site, freight included
- Returns
- No returns on made-to-order items
- Other terms
- Sample data for testing; not a real offer.
Variants
| Variant | Specifications | Min. order · lead time | Price, ex GST |
|---|---|---|---|
| Voltage class11 kVKRI-437-01 | Voltage class: 11 kV | 1 nos · 6-12 weeks | on quote |
| Voltage class33 kVKRI-437-02 | Voltage class: 33 kV | 1 nos · 6-12 weeks | on quote |
| Voltage class66 kVKRI-437-03 | Voltage class: 66 kV | 1 nos · 6-12 weeks | on quote |
| Voltage class132 kVKRI-437-04 | Voltage class: 132 kV | 1 nos · 6-12 weeks | on quote |
| Voltage class220 kVKRI-437-05 | Voltage class: 220 kV | 1 nos · 6-12 weeks | on quote |
Specifications
| Voltage class | 11 kV to 220 kV (see variants) |
|---|---|
| Component | PRDmade to order: Bushing / Buchholz / OTI |
| Rated current | 3150 A |
| Material | Porcelain |
| Creepage | 31 mm/kV |
| Mounting | Flanged |
| Alarm contacts | 4 changeover |
| Colour | Brown |
| Fits make | As per nameplate |
| Testing | Routine tested |
| Oil compatibility | Ester |