3 design options. Switch between them here.
Power protection since 2010

Always on.
Always near.

UPS, power-conditioning and energy systems for businesses where downtime isn’t an option, backed by 109+ service centres across India.

Numax NX890B online UPS system
Online double-conversion10 – 600 kVA, three-phase
Load protected0 ms transfer to battery
BIS · ISO 9001 · CECertified engineering
2010

Protecting Indian businesses for over 15 years

109+

Service centres, with company-owned teams

25,000+

Installations across banking, healthcare, industry and government

4.8★

Average from 566 Google reviews

Trusted where downtime isn’t an option

Banks, hospitals, PSUs and research institutions across India

ISROState Bank of IndiaHALONGCIndian RailwaysBank of BarodaDr. Reddy'sBHELCanara BankKIMS HospitalsAirports Authority of IndiaIndian BankUnion Bank of IndiaAragenESICHitachiYes BankMuthootManappuramEquitasEuronet
Why it matters

A single second without power can stop a trading floor, an ICU or a production line. We engineer for the second you never notice, and we stay close enough to keep it that way.

Industries

Built around the
risk you carry.

Every sector loses something different when the power drops. We size, install and maintain for that risk, not for a catalogue number.

Products

One partner for the
whole power chain.

From a single rack to a 1,200 kVA modular system, plus the stabilisers, transformers and filters that keep power clean.

Modular UPS Nx660
Numax Nx660 modular UPS

Modular UPS

20 – 1,200 kVA

Add capacity module by module and hot-swap without downtime. Built for data centres and growing sites.

Explore Datasheet
Online UPS Nx890 · Nx990
Numax Nx990 online UPS range

Three-phase online UPS

10 – 600 kVA

Double-conversion protection for banks, hospitals and industrial loads.

Explore Datasheet
Online UPS DOU · Nx900
Numax DOU rack and tower UPS

Rack & tower UPS

1 – 20 kVA

Compact single-phase protection for server rooms, branches and labs.

Explore Datasheet
Stabilisers DSP · DHS
Numax servo voltage stabiliser

Servo stabilisers

Up to 3,500 kVA

Air- and oil-cooled voltage correction for plants and large facilities.

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Power quality Isolation
Numax isolation transformer

Isolation transformers

Up to 1,500 kVA

Galvanic isolation and noise suppression for sensitive equipment.

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Power quality APF · SVG
Numax active power filter

Active filters & SVG

Harmonics & power factor

Cut harmonics and reactive losses to protect equipment and lower bills.

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Energy storage NxEG
Numax lithium electric generator

Lithium power systems

6 – 200 kVA

Silent, emission-free backup that replaces diesel for critical loads.

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Small office NX 200LI
Numax line-interactive UPS

Line-interactive UPS

400 VA – 3 kVA

Reliable desktop and point-of-sale protection for small offices.

Explore Datasheet
Full catalogue

50+ systems.
One engineer to
help you choose.

Tell us your load and site. We’ll recommend the right setup.

Get a recommendation
Service & AMC

Always near,
wherever you are.

A national network of regional offices and service centres, with company-owned teams who know your installation by name.

109+

Service centres

10

Regional offices

16

States covered

100+

Trained field engineers in the South

Comprehensive AMCPreventive maintenancePower auditsUPS rentalsInstallation & commissioningE-waste take-back
Hyderabad · HQChennaiMumbaiBengaluruAhmedabadKolkataLucknowKochiVijayawadaBhopal
Regional officeService centre region
How we work

From audit to
always-on.

One team stays with you through every stage, so nothing is lost between sales, installation and service.

01

Power audit

We measure your load, power quality and risks on site, before recommending anything.

02

Right-sized design

The right capacity, redundancy and battery backup for today, with room to grow.

03

Install & commission

Our own engineers install, test and hand over, with full documentation.

04

Care for life

AMC, preventive maintenance and a service team close by when you need them.

Certified & registeredBISISO 9001CENSICMSME
Google reviews
4.8

Average rating from 566 customer reviews

Customer review
“Numax delivered high-quality UPS, stabilisers and isolation transformers. Their service was reliable, efficient and professional, and the engineers showed real expertise.”
Customer review via IndiaMART
For consultants & specifiers

Specifying power
for a project?

Datasheets, tender-ready specification text and drawings for every range, plus an engineer to review your single-line diagram.

Talk to us

Talk to a
power engineer.

Tell us about your site. An engineer, not a call centre, will get back to you.

We’ll only use your details to respond to this request.

Looking for inverters and batteries for your home?

Visit Numax Home