Catalogue / SF6 circuit breakers
SF6 live tank circuit breaker, Plus 5 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 Plus 5 range of SF6 live tank circuit breaker by Tungabhadra covers 5 system voltage options (36 kV to 420 kV). Key features: density monitor with two stage alarm, low SF6 leakage < 0.5% per year and type tested at KEMA or CPRI. Used by renewable pooling stations, transmission lines and industrial EHV supply. Designed and tested to IEC 62271-100, IS 13118 and IEC 62271-1. Lead time 24-30 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-786 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 24-30 weeks
- Warranty
- 30 months from supply
- Standards
- IEC 62271-100, IS 13118, 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
- 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 kVTUN-786-01 | System voltage: 36 kV | 1 nos · 24-30 weeks | for verified buyers |
| System voltage72.5 kVTUN-786-02 | System voltage: 72.5 kV | 1 nos · 24-30 weeks | for verified buyers |
| System voltage145 kVTUN-786-03 | System voltage: 145 kV | 1 nos · 24-30 weeks | for verified buyers |
| System voltage245 kVTUN-786-04 | System voltage: 245 kV | 1 nos · 24-30 weeks | for verified buyers |
| System voltage420 kVTUN-786-05 | System voltage: 420 kV | 1 nos · 24-30 weeks | for verified buyers |
Specifications
| System voltage | 36 kV to 420 kV (see variants) |
|---|---|
| Rated current | 1250 Amade to order: 2000 A / 3150 A / 4000 A |
| Breaking current | 50 kAmade to order: 25 kA / 31.5 kA / 40 kA |
| Operating mechanism | Hydraulic spring |
| Operation | Single-pole |
| Interrupter | Two breaks |
| SF6 pressure | 0.6 MPa abs |
| Duty cycle | O-0.3s-CO-3min-CO |
| Close time | < 60 msmade to order: < 100 ms |
| Insulator | Porcelain |
| Auxiliary supply | 220 V DCmade to order: 110 V DC |
| Creepage | 31 mm/kV |
| Mechanical endurance | M2 |