Catalogue / Insulators (porcelain, polymer, glass)
Porcelain cap and pin string, Duo seriesSample
by Coromandelakash Line Hardware (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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The Duo range of porcelain cap and pin string by Coromandelakash covers 5 voltage and strength options (33 kV 70 kN to 400 kV 160 kN). Design: hydrophobic silicone rubber sheds, self-cleaning glass shed and anti-fog profile for coastal areas. Used by coastal and polluted areas, substation strings and railway electrification. Designed and tested to IS 731, IS 5300 and IEC 61109. Lead time 3-5 weeks; delivers to East & North-East India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Coromandelakash
- Model
- COR-177 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 5 nos
- Lead time
- 3-5 weeks
- Warranty
- 30 months from supply
- Standards
- IS 731, IS 5300, IEC 61109
- Delivers to
- East & North-East India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Wooden crate, seaworthy
- 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 and strength33 kV 70 kNCOR-177-01 | Voltage and strength: 33 kV 70 kN | 5 nos · 3-5 weeks | for verified buyers |
| Voltage and strength66 kV 70 kNCOR-177-02 | Voltage and strength: 66 kV 70 kN | 5 nos · 3-5 weeks | for verified buyers |
| Voltage and strength132 kV 90 kNCOR-177-03 | Voltage and strength: 132 kV 90 kN | 5 nos · 3-5 weeks | for verified buyers |
| Voltage and strength220 kV 120 kNCOR-177-04 | Voltage and strength: 220 kV 120 kN | 5 nos · 6-8 weeks | for verified buyers |
| Voltage and strength400 kV 160 kNCOR-177-05 | Voltage and strength: 400 kV 160 kN | 5 nos · 6-8 weeks | for verified buyers |
Specifications
| Voltage and strength | 33 kV 70 kN to 400 kV 160 kN (see variants) |
|---|---|
| Material | Porcelainmade to order: Silicone polymer / Toughened glass |
| Type | Pin |
| Failing load | 160 kN |
| Creepage | 31 mm/kVmade to order: 25 mm/kV / Anti-fog 40 mm/kV |
| End fittings | Clevismade to order: Ball and socket |
| Core | FRP rod |
| Sheds | Alternate |
| Dry arc distance | Per class |
| Tests | Type + acceptance + routine |
| Hydrophobicity | HC1 |
| Packaging | Wooden crate |
| Finish | Brown |