Catalogue / Battery chargers & DC systems
Float-cum-boost battery charger, Max 2 seriesSample
by Dwaraka Power Controls (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
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Dwaraka Max 2 float-cum-boost battery charger, offered in 6 rating options from 25 A to 800 A. Highlights: remote monitoring, parallel redundant chargers and temperature compensated charging. Suited to railway signalling, EHV substations and power plants. Designed and tested to IS 4540, IEC 61204 and IS 1651. Lead time 6-8 weeks; delivers to All India and export (SAARC, Middle East, Africa). Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Dwaraka
- Model
- DWA-3E7 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 5 nos
- Lead time
- 6-8 weeks
- Warranty
- 24 months
- Standards
- IS 4540, IEC 61204, IS 1651
- Delivers to
- All India and export (SAARC, Middle East, Africa)
- GST rate
- 18 %
- Country of origin
- India
- Packaging
- As per item, transit-safe
- Delivery terms
- FOR nearest railhead
- 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 |
|---|---|---|---|
| Rating25 ADWA-3E7-01 | Rating: 25 A | 5 nos · 6-8 weeks | for verified buyers |
| Rating50 ADWA-3E7-02 | Rating: 50 A | 5 nos · 6-8 weeks | for verified buyers |
| Rating100 ADWA-3E7-03 | Rating: 100 A | 5 nos · 6-8 weeks | for verified buyers |
| Rating200 ADWA-3E7-04 | Rating: 200 A | 5 nos · 6-8 weeks | for verified buyers |
| Rating400 ADWA-3E7-05 | Rating: 400 A | 5 nos · 6-8 weeks | for verified buyers |
| Rating800 ADWA-3E7-06 | Rating: 800 A | 5 nos · 6-8 weeks | for verified buyers |
Specifications
| Rating | 25 A to 800 A (see variants) |
|---|---|
| Output voltage | 220 Vmade to order: 24 V / 48 V / 110 V |
| Input | 415 V 3-ph |
| Topology | SMPSmade to order: Thyristor |
| Voltage regulation | +/- 1% |
| Ripple | < 2% without battery |
| Efficiency | 92%made to order: 88% / 94% |
| Redundancy | N+1 |
| Battery type | VRLAmade to order: Ni-Cd / Li-ion |
| Backup time | 2 hoursmade to order: 4 hours / 8 hours |
| DC distribution | MCB / MCCB with ground fault detection |
| Communication | Modbus RTU |
| Enclosure | IP42 |