Vertiv vs Delta Online UPS in India
Vertiv vs Delta Online UPS India: brand or efficiency?
Vertiv leads on the Liebert data centre badge. Delta leads on published AC-AC efficiency and power density. On a big load, ten years of energy loss can outweigh the sticker price.
Vertiv vs Delta at a glance
Both brands in one view. Where each one wins, and where the ASP network changes the answer.
Vertiv
- Brand origin
- Global critical-power leader (US). UPS sold under the Liebert line.
- India range
- Liebert ITA2 and GXT5 tower/rack (1-20 kVA) up to EXS, APM and Trinergy three-phase (10 kVA to MW class).
- Efficiency
- Online double conversion with ECO mode across current Liebert models.
- Made in India
- Select EXS three-phase models are assembled in India.
- Service in India
- OEM support plus a trained reseller and partner network for specify, sell and service.
- Best fit
- Large data centres, precision and edge sites where a global brand spec is mandated.
Delta
- Brand origin
- Delta Electronics (Taiwan) with India manufacturing and sales operations.
- India range
- Agilon and Amplon single-phase, plus Ultron HPH, DPS, NT and Modulon three-phase up to 10 MW.
- Efficiency
- AC-AC efficiency up to 96.5% on Ultron HPH and up to 97.3% on DPM Gen2, up to 99% in ECO mode.
- Footprint
- High power density. 40 kW in about 0.15 sq m on HPH Gen2, front and top or bottom cable entry.
- Service in India
- India service network with partner-led installation and AMC.
- Best fit
- Efficiency-driven and hyperscale or colocation projects where TCO from energy loss decides the buy.
The Vertiv and Delta ranges Sirius Star supplies
Two picks from each brand. We size the mix in the free 30-minute review.
Liebert ITA2 / GXT5
Single-phase online UPS for server rooms and network edge racks.
- True online double conversion
- Rack or tower form
- SNMP monitoring card option
Liebert EXS / APM
Transformer-based and modular three-phase for data centre and industrial rooms.
- EXS models assembled in India
- N+1 parallel redundancy
- Front-access servicing
Delta Amplon / Agilon
Compact online single-phase UPS for SMB, POS and small server rooms.
- Up to about 95% AC-AC
- Hot-swap battery on select models
- 2 year standard warranty
Delta Ultron HPH / DPS
High-efficiency three-phase for medium to large data centres.
- Up to 96.5-97.3% AC-AC
- iTHD under 3%, PF over 0.99
- Parallel up to 8 units
Vertiv vs Delta: feature by feature
The specifics that decide the buy, for the Indian buyer.
| Feature | Vertiv | Delta |
|---|---|---|
| Brand and backing | Global Vertiv, Liebert line | Delta Electronics, Taiwan, with India ops |
| Three-phase range | Liebert EXS and APM, 10-80 kVA and modular | Ultron HPH and DPS, 20-1200 kVA |
| Peak efficiency | Online double conversion with ECO mode | Up to 96.5-97.3% AC-AC, 99% ECO |
| Footprint and density | Standard three-phase footprint | Up to 40 kW in about 0.15 sq m on HPH |
| Modular scaling | APM modular | DPS and Modulon, parallel up to 8 units, up to 10 MW |
| Input quality | Low input harmonics on current models | iTHD under 3%, input PF over 0.99 |
| Where it wins | Global spec mandates, precision sites | Efficiency-led TCO, hyperscale and colo |
Which one for what
The clean decision guide for common Indian B2B scenarios. Pick the row that fits.
Global brand policy on the data centre floor
Vertiv. The Liebert spec typically clears procurement without debate.
Large load where energy loss dominates ten-year cost
Delta. Higher published efficiency can save more than the price gap.
Tight electrical room, high density needed
Delta. HPH power density fits more kW in less floor.
Edge site on an approved global vendor list
Vertiv, for vendor-list alignment and Liebert edge models.
How Sirius Star sizes Vertiv or Delta
Free review first. Then a written quote in 24 working hours.
Site survey + sizing
Free 30-min call. We map load, refresh cycle, and current estate.
Both brands quoted
Written quote in 24 working hours. Itemised. GST broken out.
PO and dispatch from Vashi
Typical 10 working days for stock SKUs. Staggered rollout if multi-site.
Warranty and refresh wrap
One escalation path. Refresh calendar in writing. Buyback where offered.
Buying online UPS in India: Vertiv or Delta
- The 6 questions that actually decide the brand
- How to compare efficiency as a ten-year cost, not a sticker
- Service-network checklist for multi-site estates
- What to put in the PO so warranty is not a fight
Vertiv vs Delta in India FAQ
Common questions Indian buyers ask. Answers grounded in current sources.
Which is more efficient, Vertiv or Delta?
Is Delta a good UPS brand for Indian data centres?
Why would I still choose Vertiv?
Can Sirius Star quote both?
Ready for a sized Vertiv/Delta quote?
Tell us your load and city. We ship both brands, honestly.
Pair this on one PO
What buyers typically add to a Sirius Star order.
Related reading from the Sirius Star blog
Long-form context from our team.
Sources referenced
- Liebert UPS Systems | Vertiv Uninterruptible Power Supplies– vertiv.com
- Ultron HPH Series High-Efficiency Three-Phase UPS | Delta India– deltaelectronicsindia.com