Catalogue / Isolators & earth switches
Centre-break isolator, Prime seriesSample
by Tungabhadra HV Switchgear (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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The Prime range of centre-break isolator by Tungabhadra covers 5 system voltage options (12 kV to 245 kV). Key features: aux contacts for position indication, weatherproof operating box and mechanical interlock with earth switch. Typically used for switchyards, solar plant evacuation and railway traction. Designed and tested to IEC 62271-102, IS 9921 and IEC 62271-1. Lead time 10-14 weeks; delivers to All India and export (SAARC, Middle East, Africa). Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Tungabhadra
- Model
- TUN-0A4 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 10 nos
- Lead time
- 10-14 weeks
- Warranty
- 24 months
- Standards
- IEC 62271-102, IS 9921, IEC 62271-1
- Delivers to
- All India and export (SAARC, Middle East, Africa)
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Wooden crate, seaworthy
- Delivery terms
- FOR nearest railhead
- 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 |
|---|---|---|---|
| System voltage12 kVTUN-0A4-01 | System voltage: 12 kV | 10 nos · 10-14 weeks | for verified buyers |
| System voltage36 kVTUN-0A4-02 | System voltage: 36 kV | 10 nos · 10-14 weeks | for verified buyers |
| System voltage72.5 kVTUN-0A4-03 | System voltage: 72.5 kV | 10 nos · 10-14 weeks | for verified buyers |
| System voltage145 kVTUN-0A4-04 | System voltage: 145 kV | 10 nos · 10-14 weeks | for verified buyers |
| System voltage245 kVTUN-0A4-05 | System voltage: 245 kV | 10 nos · 10-14 weeks | for verified buyers |
Specifications
| System voltage | 12 kV to 245 kV (see variants) |
|---|---|
| Rated current | 1250 Amade to order: 800 A / 2000 A / 3150 A |
| Type | Double breakmade to order: Centre rotating / Pantograph / Vertical break |
| Earth switch | Withoutmade to order: With 1 earth switch / With 2 earth switches |
| Short-time current | 50 kA |
| Operation | Motor + manualmade to order: Manual |
| Insulators | Polymermade to order: Porcelain |
| Contact material | Silver-plated copper |
| Terminal | Aluminium flat pad |
| Mounting | Vertical |
| Control voltage | 110 V DC |
| Finish | Hot-dip galvanised |
| Peak withstand | 80 kAmade to order: 125 kA |