Catalogue / Line monitoring (DLR, fault passage indicators)
Earth fault indicator with GSM, Duo seriesSample
by Dhruvmax Line Hardware (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Dhruvmax Duo earth fault indicator with GSM, offered in 3 voltage class options from 33 kV to 132 kV. Highlights: increases line capacity by 10-30%, self-powered from line current and real-time conductor rating based on weather. Typically used for renewable evacuation lines, overhead feeders with heavy fault history and smart grid projects. Designed and tested to IEEE 738, CIGRE TB 601 and IEC 60255-151. Lead time 3-5 weeks; delivers to North India. Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Dhruvmax
- Model
- DHR-158 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 3-5 weeks
- Warranty
- 36 months
- Standards
- IEEE 738, CIGRE TB 601, IEC 60255-151
- Delivers to
- North India
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- As per item, transit-safe
- 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 |
|---|---|---|---|
| Voltage class33 kVDHR-158-01 | Voltage class: 33 kV | 1 nos · 3-5 weeks | for verified buyers |
| Voltage class66 kVDHR-158-02 | Voltage class: 66 kV | 1 nos · 3-5 weeks | for verified buyers |
| Voltage class132 kVDHR-158-03 | Voltage class: 132 kV | 1 nos · 3-5 weeks | for verified buyers |
Specifications
| Voltage class | 33 kV to 132 kV (see variants) |
|---|---|
| Device | DLR sensor |
| Measured | Weathermade to order: Conductor temperature / Current / Sag |
| Accuracy | +/- 2% currentmade to order: +/- 1 deg C |
| Communication | Satellite |
| Power source | Line current harvesting |
| Mounting | Live-line clamp-on |
| Fault detection | Short-circuit, earth fault |
| Reporting interval | 1 minmade to order: 10 min |
| Enclosure | IP67 |
| Weight | 2.5 kgmade to order: 1 kg |
| Software | Cloud dashboard |
| Integration | IEC 60870-5-104, Modbus |