Delta vs BPE Online UPS in India: which one, when

DeltaVSBPEOnline UPS – India
Same double conversion. Very different bet.
The Short Version

Delta vs BPE Online UPS India: the honest split

Delta wins on efficiency and footprint for large and hyperscale rooms. BPE wins on made-in-India cost and local service. Your load size and service map decide it.

Free 30-min review first. 200+ Indian businesses trust Sirius Star.
Both brandsSirius Star supplies Delta and BPE
1-1750 kVABranch UPS to hyperscale
Pan-India serviceMetros, tier-1, most tier-2
24-hr written quoteFrom Vashi, Navi Mumbai
Delta full guideBpe full guide
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Written by Naveen Reddy, Power and Data Centre Infrastructure Team
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Updated 3 Jul 2026
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Editorial content reviewed by Karthik Iyer
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The verdict in one line

For large or growing data centres where efficiency and floor space drive cost, Delta Ultron gives you near-unity input power factor and a compact footprint. For BFSI branches and mid-size rooms where made-in-India pricing, a built-in isolation transformer and fast on-site AMC matter more, BPE is the sharper buy. Sirius Star quotes both from Vashi.

Delta vs BPE at a glance

Both brands in one view. Where each one wins, and where the ASP network changes the answer.

Delta

OEM
Delta Electronics, Taiwan HQ. India entity Delta Electronics India Pvt. Ltd., with local manufacturing and R&D.
Range
Amplon single-phase 1-10 kVA up to Ultron three-phase 20-1750 kVA and DPS modular to multi-MW.
Efficiency
Near-unity input power factor, low input harmonic distortion, eco mode in the high-nineties. Strong on energy cost at scale.
Output PF
Unity output PF on DPS and large Ultron. Full nameplate kW for modern IT loads.
Battery
VRLA and Li-ion ready on DPM Gen2. Flexible battery quantity for runtime tuning.

BPE

OEM
Best Power Equipment (India) Ltd. Made in India, Greater Noida plant.
Range
1 kVA line-interactive up to 1725 kVA modular and industrial online UPS.
Efficiency
True double conversion with high eco-mode efficiency. GTX series adds a built-in galvanic isolation transformer.
Output
Near-unity input PF across the online range. Pure sine-wave output.
Warranty and service
Two-year cover common, pan-India AMC, GeM listings for government buyers.

The Delta and BPE ranges Sirius Star supplies

Two picks from each brand. We size the mix in the free 30-minute review.

Delta · data centre

Delta Ultron HPH Gen2

Compact three-phase online UPS for small and medium data centres.

Current India models: Ultron HPH-20K / HPH-40K / HPH-200K*
  • Three-phase double conversion
  • Eco mode efficiency in the high-nineties
  • Front-access battery, colour touch panel
  • SNMP and Modbus monitoring
Delta · large DC

Delta Ultron DPS / DPM Gen2

Unity-output-PF UPS for large data centres and colocations.

Current India models: Ultron DPS-300K to DPS-1200K, DPM G2-250K+*
  • Unity output power factor
  • Parallel up to eight units
  • VRLA or Li-ion battery
  • Used by global cloud providers
BPE · most bought

BPE GTX Series

Three-phase online UPS with a built-in isolation transformer.

Current India models: GTX 120K to GTX 500K*
  • Double conversion with DSP control
  • Built-in galvanic isolation transformer
  • N+X parallel up to six units
  • Generator compatible
BPE · branch and edge

BPE HXi / ePX+ Online

Single and three-phase online UPS for branches, ATMs and server rooms.

Current India models: HXi3110L16, ePX+33100L32*
  • Pure sine-wave output
  • SMF VRLA battery, wide input window
  • RS-232, SNMP, dry contact
  • Tower form factor
*Disclaimer: Model numbers shown are illustrative examples of the current India line-up. Delta and BPE refresh their line-ups periodically and stock varies by branch. Please contact Sirius Star for latest availability and price.

Delta vs BPE: feature by feature

The specifics that decide the buy, for the Indian buyer.

FeatureDeltaBPE
TopologyTrue online double conversion across the rangeTrue online double conversion; GTX adds isolation transformer
Input power factorNear-unity, low input harmonic distortionNear-unity on the online range
Output power factorUnity on DPS and large UltronPure sine-wave, standard output PF
kVA coverage1-1750 kVA and DPS to multi-MW1-1725 kVA modular
Efficiency and TCOClass-leading eco mode, energy-cost edge at scaleHigh eco-mode efficiency, strong price-to-spec
Made in IndiaLocal manufacturing and R&D presenceMade in India, Greater Noida plant

Which one for what

The clean decision guide for common Indian B2B scenarios. Pick the row that fits.

Large or hyperscale data centre where energy cost drives TCO

Pick Delta Ultron DPS or DPM Gen2. Unity output PF and a class-leading eco mode pay back in power bills at scale.

BFSI branch or mid-size room needing an isolation transformer

Pick BPE GTX. The built-in isolation transformer saves a separate box and suits noisy branch power.

Government or PSU purchase on GeM

BPE carries GeM listings and made-in-India status, which eases preference rules.

Colocation planning Li-ion and future scale

Delta DPM Gen2 is Li-ion ready and parallels up to eight units, so you scale without a forklift upgrade.

How Sirius Star sizes Delta or BPE

Free review first. Then a written quote in 24 working hours.

1

Site survey + sizing

Free 30-min call. We map load, refresh cycle, and current estate.

2

Both brands quoted

Written quote in 24 working hours. Itemised. GST broken out.

3

PO and dispatch from Vashi

Typical 10 working days for stock SKUs. Staggered rollout if multi-site.

4

Warranty and refresh wrap

One escalation path. Refresh calendar in writing. Buyback where offered.

“We asked for the honest split, not a pitch. Sirius Star put Delta and BPE side by side, ran the load and efficiency math, and told us where each one actually made sense for our branches.”

Anonymised Infrastructure Head at a Maharashtra co-operative bank. Sirius Star sized online UPS across branch and DR sites in 2026.

Free field guide

Buying online UPS in India without overpaying

  • How input and output power factor change your usable watts
  • When an isolation transformer is worth the cost
  • Delta vs BPE by load size and site type
  • The TCO math beyond the sticker price
Free. Delivered to your email after the form.

Delta vs BPE in India FAQ

Common questions Indian buyers ask. Answers grounded in current sources.

Is Delta or BPE better for online UPS in India in 2026?
Neither wins everywhere. Delta leads on efficiency and footprint for large and hyperscale rooms. BPE leads on made-in-India pricing, a built-in isolation transformer and local service for BFSI branches and mid-size rooms. The right pick depends on your load size, site type and service map. Sirius Star quotes both and shows the math.
Which brand is stronger for data centres?
For large data centres and colocations, Delta Ultron DPS and DPM Gen2 offer unity output power factor, a class-leading eco mode and Li-ion readiness. BPE covers data centres too with modular online systems, and its GTX isolation transformer suits sites with rough incoming power.
Is BPE a made-in-India UPS brand?
Yes. Best Power Equipment manufactures in India at Greater Noida and lists on GeM, which helps government and PSU buyers meet local-content and preference rules.
Does Delta make UPS in India?
Delta Electronics has local manufacturing and R&D in India and supplies its Amplon and Ultron ranges here, backed by pan-India service.
What warranty and service do these UPS carry?
BPE online models commonly ship with a two-year warranty and pan-India AMC. Delta offers standard warranty with pan-India service coverage. Sirius Star can structure AMC and battery replacement for either on one contract.

Ready for a sized Delta/BPE quote?

Tell us your load and city. We ship both brands, honestly.

200+ Indian businesses trust Sirius Star. Reply within 24 working hours.

Pair this on one PO

What buyers typically add to a Sirius Star order.

Brand page

Delta UPS in India

Delta Amplon and Ultron online UPS, sized and supported.

Go →Brand page

BPE UPS in India

Made-in-India online UPS for branches and data centres.

Go →Hub

All IT Hardware

Servers, storage, networking and UPS on one PO.

Go →Category

Online UPS sizing guide

Load, runtime and battery math in plain language.

Go →Talk to us

Get a sized UPS quote

Tell us your load and city. Both brands, honestly.

Go →

Related reading from the Sirius Star blog

Long-form context from our team.

Buying guide

Sizing an online UPS without overbuying

Load, runtime and battery math in plain language.

Read on the blog →Explainer

Why power factor changes your usable watts

The one spec that quietly decides your headroom.

Read on the blog →Field note

When an isolation transformer earns its place

Rough branch power and what to do about it.

Read on the blog →Field note

Data centre UPS TCO beyond the sticker

Efficiency, footprint and battery cost over ten years.

Read on the blog →

Sources referenced

  1. Ultron HPH Gen2 20-40 kVA UPS– deltaelectronicsindia.com
  2. UPS for Data Centers: Complete Guide 2026– bpee.com