Numerical overcurrent and earth fault relay, Xtra seriesSample
by Chola Protection Systems (Sample) · verified by BARREL
Price on quote
Ordered and invoiced through BARREL — one contract, one GST invoice.
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The Xtra range of numerical overcurrent and earth fault relay by Chola covers 3 function options (Transformer differential to Busbar differential). Key features: multiple setting groups, front USB and rear Ethernet ports and self-supervision with watchdog. Used by industrial incomers, motor control centres and solar plant collector feeders. Designed and tested to IEC 60255, IEC 61850 and IS 3231. Lead time 3-6 weeks; delivers to All India and export (SAARC, Middle East, Africa). Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Chola
- Model
- CHO-9A4 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 3-6 weeks
- Warranty
- 24 months
- Standards
- IEC 60255, IEC 61850, IS 3231
- Delivers to
- All India and export (SAARC, Middle East, Africa)
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Corrugated box on pallet
- Delivery terms
- FOR site, freight included
- 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 |
|---|---|---|---|
| FunctionTransformer differentialCHO-9A4-01 | Function: Transformer differential | 1 nos · 3-6 weeks | on quote |
| FunctionLine distanceCHO-9A4-02 | Function: Line distance | 1 nos · 3-6 weeks | on quote |
| FunctionBusbar differentialCHO-9A4-03 | Function: Busbar differential | 1 nos · 3-6 weeks | on quote |
Specifications
| Function | Transformer differential to Busbar differential (see variants) |
|---|---|
| Aux supply | 220 V DCmade to order: 24-250 V DC / 110 V DC |
| CT input | 1/5 A selectablemade to order: 1 A / 5 A |
| VT input | 63.5 Vmade to order: 110 V |
| Binary inputs | 16made to order: 8 / 32 |
| Output relays | 6 |
| Communication | IEC 61850 Ed 2made to order: Modbus / IEC 60870-5-103 |
| Display | LCD with keypad |
| Disturbance recorder | Up to 100 records |
| Accuracy class | Class 0.5 metering |
| Case | Flush mountmade to order: Draw-out |
| Time sync | IRIG-B |
| Cyber-security | Role-based access |