Catalogue / SF6-free (vacuum, clean-air) HV breakers
Vacuum interrupter circuit breaker 72.5 kV, Elite 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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Tungabhadra Elite vacuum interrupter circuit breaker 72.5 kV, offered in 5 system voltage options from 36 kV to 245 kV. Highlights: vacuum interrupter lasts life of the unit, type tested to IEC and eliminates SF6 greenhouse gas. Used by green substations, utility pilot projects and wind farms. Designed and tested to IEC 62271-100, IEC 62271-1 and IS 13118. Lead time 16-20 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-3E2 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 10 nos
- Lead time
- 16-20 weeks
- Warranty
- 36 months
- Standards
- IEC 62271-100, IEC 62271-1, IS 13118
- Delivers to
- All India and export (SAARC, Middle East, Africa)
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Corrugated box on pallet
- 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 |
|---|---|---|---|
| System voltage36 kVTUN-3E2-01 | System voltage: 36 kV | 10 nos · 16-20 weeks | for verified buyers |
| System voltage72.5 kVTUN-3E2-02 | System voltage: 72.5 kV | 10 nos · 16-20 weeks | for verified buyers |
| System voltage145 kVTUN-3E2-03 | System voltage: 145 kV | 10 nos · 16-20 weeks | for verified buyers |
| System voltage170 kVTUN-3E2-04 | System voltage: 170 kV | 10 nos · 30-40 weeks | for verified buyers |
| System voltage245 kVTUN-3E2-05 | System voltage: 245 kV | 10 nos · 30-40 weeks | for verified buyers |
Specifications
| System voltage | 36 kV to 245 kV (see variants) |
|---|---|
| Insulation medium | Clean air |
| Interrupter | Multi-break vacuummade to order: Vacuum |
| Rated current | 1250 A |
| Breaking current | 25 kAmade to order: 31.5 kA / 40 kA |
| Mechanism | Spring |
| Global warming potential | < 1 |
| Mechanical life | 10000 operations |
| Gas handling | No SF6 handling |
| Temperature range | -25 to 50 deg C |
| Housing | Composite |
| Control voltage | 110 V DCmade to order: 220 V DC |
| Monitoring | Pressure sensor |