Numerical overcurrent and earth fault relay, Eco 4 seriesSample
by Chambalparam Power Controls (Sample) · verified by BARREL
Price on quote
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Chambalparam Eco 4 numerical overcurrent and earth fault relay, offered in 4 function options from Motor protection to Line distance. Design: self-supervision with watchdog, event and fault recorder with 1 ms stamps and multiple setting groups. Suited to transformer bays, industrial incomers and solar plant collector feeders. Designed and tested to IEC 60255, IEC 61850 and IS 3231. Lead time 3-6 weeks; delivers to West India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Chambalparam
- Model
- CHA-9A7 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
- West India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- Steel skid with shrink wrap
- Delivery terms
- Ex-works, freight extra at actuals
- 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 |
|---|---|---|---|
| FunctionMotor protectionCHA-9A7-01 | Function: Motor protection | 1 nos · 3-6 weeks | on quote |
| FunctionFeeder protectionCHA-9A7-02 | Function: Feeder protection | 1 nos · 3-6 weeks | on quote |
| FunctionTransformer differentialCHA-9A7-03 | Function: Transformer differential | 1 nos · 8-10 weeks | on quote |
| FunctionLine distanceCHA-9A7-04 | Function: Line distance | 1 nos · 8-10 weeks | on quote |
Specifications
| Function | Motor protection to Line distance (see variants) |
|---|---|
| Aux supply | 24-250 V DC |
| CT input | 1 Amade to order: 5 A / 1/5 A selectable |
| VT input | 63.5 V |
| Binary inputs | 32 |
| Output relays | 12 |
| Communication | Modbusmade to order: IEC 61850 Ed 2 / IEC 60870-5-103 |
| Display | Graphic LCDmade to order: LCD with keypad |
| Disturbance recorder | Up to 100 records |
| Accuracy class | Class 0.5 metering |
| Case | Flush mount |
| Time sync | PTPmade to order: SNTP / IRIG-B |
| Cyber-security | Role-based access |