Catalogue / Voltage stabilisers
Air-cooled servo stabiliser, Duo seriesSample
by Doaba Drives & Controls (Sample) · verified by BARREL
Price for verified buyers
Ordered and invoiced through BARREL — one contract, one GST invoice.
Customise and request quoteMade to order: change the marked specification rows to what you need; Doaba Drives & Controls (Sample) quotes for it.
Or send an open RFQ to every matching merchant.
Register your company to see prices.
The Duo range of air-cooled servo stabiliser by Doaba covers 3 rating options (25 kVA to 100 kVA). Highlights: over temperature cut-off, bypass switch for maintenance and independent phase correction for unbalanced input. Typically used for commercial buildings, hospitals and data centres and remote sites with fluctuating voltage. Designed and tested to IS 9815, IS 8478 and IEC 60076-11. Lead time 1-2 weeks; delivers to All India and export (SAARC, Middle East, Africa). Sample listing: illustrative data for testing BARREL Shop, not a real offer.
- Brand
- Doaba
- Model
- DOA-C14 series
- Listing type
- Product
- Unit
- nos
- Minimum order
- 1 nos
- Lead time
- 1-2 weeks
- Warranty
- 24 months from commissioning
- Standards
- IS 9815, IS 8478, IEC 60076-11
- 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 nearest railhead
- 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 |
|---|---|---|---|
| Rating25 kVADOA-C14-01 | Rating: 25 kVA | 1 nos · 1-2 weeks | for verified buyers |
| Rating50 kVADOA-C14-02 | Rating: 50 kVA | 1 nos · 1-2 weeks | for verified buyers |
| Rating100 kVADOA-C14-03 | Rating: 100 kVA | 1 nos · 1-2 weeks | for verified buyers |
Specifications
| Rating | 25 kVA to 100 kVA (see variants) |
|---|---|
| Input range | 160-270 V (1-ph)made to order: 340-480 V (3-ph) / 300-460 V |
| Output voltage | 230 V ±1% |
| Phases | 1-ph |
| Correction speed | 35 V/s (servo)made to order: 25 V/s / < 20 ms (static) |
| Cooling | Air-cooledmade to order: Oil-cooled (ONAN) |
| Efficiency | > 98% |
| Control | Microprocessor with phase-wise correction |
| Protections | Overload, short circuit, high/low voltage cut-off |
| Bypass | Auto bypass |
| Duty | Continuous |
| Enclosure | IP54made to order: IP21 |
| Insulation | Class F |