APC vs Delta Online UPS in India: Which One, When

APCVSDeltaOnline UPS – India
APC or Delta? Your load decides, not the brochure.
The Short Version

APC vs Delta UPS India: the pick your load actually needs

Both run true double conversion. APC brings the widest India service network. Delta brings efficiency and data-centre pedigree. Here is where each one wins.

Free 30-min review first. 200+ Indian businesses trust Sirius Star.
200+Indian businesses served
17+ yrsin India IT
Both brandsquoted honestly
24 hrswritten quote turnaround
APC full guideDelta full guide
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Written by Naveen Reddy, Power and Data Centre Solutions
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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

APC fits server rooms that need fast onsite service and bundled software across every Indian metro. Delta fits load that runs hot all year, where energy cost and a small footprint matter more. Match the output PF to your gear, then pick. Sized from Navi Mumbai.

APC vs Delta at a glance

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

APC

OEM
Schneider Electric. India entity: Schneider Electric India Pvt. Ltd., Bengaluru.
Range
Easy UPS On-Line SRV to 3 kVA. Smart-UPS Online SRT to 10 kVA. SRC and Galaxy above.
Output PF
Unity PF on 6-10 kVA SRT. 0.9 PF on smaller frames.
Software
PowerChute bundled, no extra licence.
Service
Widest APC ASP network across tier-1 and tier-2 India.
Made for
Wide input window suits Indian mains.

Delta

OEM
Delta Electronics. India operations with local service.
Range
Amplon INX to 3 kVA. Amplon RT 5-20 kVA. Ultron HPH and DPM above.
Output PF
Unity PF on Amplon RT and Ultron frames.
Efficiency
Double conversion tuned for low running cost. ECO mode available.
Battery
Amplon RT offers Li-ion external packs and single-cell swap.
Footprint
Amplon RT is a slim 2U for tight racks.

The APC and Delta ranges Sirius Star supplies

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

Server rooms

APC Smart-UPS Online SRT

Unity PF on the 6-10 kVA frames, so a 10 kVA unit drives a full 10 kW of gear. PowerChute handles safe shutdown across the network.

Current India models: SRT 5000XLI · SRT 6000XLI · SRT 8000XLI · SRT 10KXLI*
  • Unity PF on 6 kVA and up
  • PowerChute Business bundled
  • Stackable XLBP battery packs
Small racks and branches

APC Easy UPS On-Line SRV

A clean 2U online UPS for branch server closets. India outlets, wide input window, simple to rack.

Current India models: SRV 1000IN · SRV 2000IN · SRV 3000IN · SRVL Li-ion*
  • True double conversion
  • India socket layout
  • Lithium-ion option on SRVL
Efficiency-led DC

Delta Amplon RT

A slim 2U online UPS with unity PF and a lithium-ion battery option. Swap a single cell without dropping the load.

Current India models: Amplon RT 5K · RT 6K · RT 10K · RT 20K*
  • Unity PF, full watt usage
  • Li-ion external packs
  • Hot bypass for maintenance
Growing server rooms

Delta Amplon INX

Entry online UPS with a wide input window for shaky Indian mains. Good running cost for always-on loads.

Current India models: Amplon INX 1K · INX 2K · INX 3K*
  • Wide input window
  • ECO mode for savings
  • Compact tower
*Disclaimer: Model numbers shown are illustrative examples of the current India line-up. APC and Delta refresh their line-ups periodically and stock varies by branch. Please contact Sirius Star for latest availability and price.

APC vs Delta: feature by feature

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

FeatureAPCDelta
TopologyDouble conversion (VFI). ECO mode when mains is cleanDouble conversion (VFI). ECO mode available
Output power factorUnity PF on 6-10 kVA SRT. 0.9 PF on smallerUnity PF on Amplon RT and Ultron frames
Usable wattsFull watts on Unity PF modelsFull watts on RT and Ultron
Bundled softwarePowerChute Business and Network ShutdownInsightPower with SNMP card
Battery optionsXLBP external packs, stackableLi-ion external packs, single-cell swap on RT
India service networkWidest APC ASP across tier-1 and tier-2Solid in metros and DC hubs, growing in tier-2
Warranty (India)2-year onsite via APC ASP2-year onsite via Delta service partner
Best-fit loadMixed server rooms and branch racksAlways-on DC load, tight-footprint racks

Which one for what

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

You run branches across many Indian cities

APC. The ASP network gets an engineer onsite faster in tier-2 and tier-3 towns.

Your load runs hot all day, every day

Delta. The efficiency edge shows up on the power bill over a full year.

You want one software console for safe shutdown

APC. PowerChute is bundled and IT teams already know it.

Rack space is tight and you may add Li-ion

Delta Amplon RT. Slim 2U with a lithium-ion path.

You want the lowest onsite response risk

APC on service reach. Delta closes the gap in metros.

How Sirius Star sizes APC or Delta

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 quoted APC and Delta side by side, showed the load-PF math, and told us where each one would win on our floor.”

Anonymised IT head at a Pune manufacturing firm. Sirius Star sized online UPS across two server rooms in 2026.

Free field guide

Buying Online UPS in India

    Free. Delivered to your email after the form.

    APC vs Delta in India FAQ

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

    Is APC or Delta better for an Indian server room?
    Neither wins for everyone. APC leads on service reach and bundled software. Delta leads on running cost and footprint. Sirius Star sizes both to your real load before you decide.
    Do both support unity power factor?
    Yes, on the right frames. APC gives unity PF on 6-10 kVA SRT. Delta gives unity PF on Amplon RT and Ultron. Below those, APC drops to 0.9 PF.
    Which brand has faster onsite service in India?
    APC has the wider ASP network into tier-2 and tier-3 towns. Delta is strong in metros and data-centre hubs. Your city matters, so we map it before quoting.
    Can I get lithium-ion with either?
    Yes. APC offers Li-ion on the SRVL line. Delta offers Li-ion external packs on Amplon RT with single-cell replacement.
    Will Sirius Star quote both brands?
    Always. We lay out the load-PF math, list where each brand wins on your floor, and give a written quote in 24 working hours.

    Ready for a sized APC/Delta 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

    APC online UPS in India

    Models, PF and India pricing.

    Go →    Brand

    Delta UPS in India

    Amplon and Ultron ranges.

    Go →    Category

    UPS and power solutions

    Every UPS brand we size.

    Go →    Hub

    IT hardware solutions

    The full hardware desk.

    Go →

    Related reading from the Sirius Star blog

    Long-form context from our team.

    Blog

    How to size an online UPS for an Indian server room

    Read on the blog →    Blog

    Output power factor, explained for buyers

    Read on the blog →    Blog

    What a UPS AMC should actually cover

    Read on the blog →

    Sources referenced

    1. APC Easy UPS On-Line SRVL 3kVA (India)–
    2. Delta Amplon RT 5-20 kVA online UPS–
    3. UPS brands discussion (r/networking)–
    4. Top UPS vendor: Delta, Microtek or APC (Quora)–