Catalogue / Bus post insulators & clamps
Composite bus support, Core seriesSample
by Madurai HV Switchgear (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Madurai Core composite bus support, offered in 5 system voltage options from 36 kV to 420 kV. Design: mechanical and electrical routine tests, hot-dip galvanised ferrous fittings and matching sets for substation bus design. Typically used for switchyards, industrial HT yards and solar plant substations. Designed and tested to IS 2544, IEC 60273 and IEC 61462. Lead time 3-5 weeks; delivers to All India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Madurai
- Model
- MAD-D74 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 10 nos
- Lead time
- 3-5 weeks
- Warranty
- 36 months
- Standards
- IS 2544, IEC 60273, IEC 61462
- Delivers to
- All India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Steel skid with shrink wrap
- Delivery terms
- Door delivery in metro cities
- 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 |
|---|---|---|---|
| System voltage36 kVMAD-D74-01 | System voltage: 36 kV | 10 nos · 3-5 weeks | for verified buyers |
| System voltage72.5 kVMAD-D74-02 | System voltage: 72.5 kV | 10 nos · 3-5 weeks | for verified buyers |
| System voltage145 kVMAD-D74-03 | System voltage: 145 kV | 10 nos · 3-5 weeks | for verified buyers |
| System voltage245 kVMAD-D74-04 | System voltage: 245 kV | 10 nos · 6-8 weeks | for verified buyers |
| System voltage420 kVMAD-D74-05 | System voltage: 420 kV | 10 nos · 6-8 weeks | for verified buyers |
Specifications
| System voltage | 36 kV to 420 kV (see variants) |
|---|---|
| Type | Pillar insulator |
| Cantilever strength | 6 kN |
| Creepage | 25 mm/kVmade to order: 31 mm/kV |
| Material | Silicone compositemade to order: Porcelain |
| Clamp material | Aluminium alloy AA 6061made to order: Copper alloy |
| Clamp type | Weldedmade to order: Bolted |
| Pipe diameter | 50 mmmade to order: 100 mm / 150 mm |
| Current rating | 2500 Amade to order: 1250 A / 4000 A |
| Short-circuit rating | 50 kA |
| Finish | Brown glazed |
| Fixing | 4 hole |
| Fittings | Hot-dip galvanised |