Catalogue / SF6 circuit breakers
SF6 dead tank circuit breaker, Edge 7 seriesSample
by Ujjayini Switchgear (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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SF6 dead tank circuit breaker from Ujjayini, Edge 7 series: 5 system voltage options between 72.5 kV and 800 kV. Key features: low SF6 leakage < 0.5% per year, point-on-wave controller option and density monitor with two stage alarm. Suited to generator bays, industrial EHV supply and transmission lines. Designed and tested to IEC 62271-100, IS 13118 and IEC 62271-1. Lead time 24-30 weeks; delivers to North India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Ujjayini
- Model
- UJJ-EB7 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 5 nos
- Lead time
- 24-30 weeks
- Warranty
- 24 months from commissioning
- Standards
- IEC 62271-100, IS 13118, IEC 62271-1
- Delivers to
- North India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- As per item, transit-safe
- Delivery terms
- FOR site, freight included
- 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 voltage72.5 kVUJJ-EB7-01 | System voltage: 72.5 kV | 5 nos · 24-30 weeks | for verified buyers |
| System voltage145 kVUJJ-EB7-02 | System voltage: 145 kV | 5 nos · 24-30 weeks | for verified buyers |
| System voltage245 kVUJJ-EB7-03 | System voltage: 245 kV | 5 nos · 24-30 weeks | for verified buyers |
| System voltage420 kVUJJ-EB7-04 | System voltage: 420 kV | 5 nos · 24-30 weeks | for verified buyers |
| System voltage800 kVUJJ-EB7-05 | System voltage: 800 kV | 5 nos · 24-30 weeks | for verified buyers |
Specifications
| System voltage | 72.5 kV to 800 kV (see variants) |
|---|---|
| Rated current | 1250 A |
| Breaking current | 50 kAmade to order: 25 kA / 31.5 kA / 40 kA |
| Operating mechanism | Hydraulic springmade to order: Spring-spring |
| Operation | Single-polemade to order: 3-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 | Porcelainmade to order: Composite |
| Auxiliary supply | 110 V DC |
| Creepage | 25 mm/kVmade to order: 31 mm/kV |
| Mechanical endurance | M2 |