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The smart heart of your solar system.

Single-phase 1–6 kW and three-phase 5–350 kW grid-tie inverters with multi-MPPT design, Wi-Fi monitoring and zero-export capability, built to pair perfectly with Oswal solar modules.

1 – 350 kWPower range
98.3%Max. efficiency
>99%MPPT efficiency
IP65Ingress protection
10 yearsStandard warranty
Choose your inverter

Two ranges. Every size.

Single-phase for homes and small shops, three-phase for larger homes, commercial and industrial sites.

Oswal single-phase on-grid inverter
Single phase · 230 V

Single-Phase On-Grid

1 – 6 kW
1233.43.644.24.755.46 kW
  • Up to 97.5% max. efficiency, >99% MPPT
  • Low 80 V start-up; MPPT up to 550–600 V
  • Fan-less natural cooling, ≤25 dB
  • Wi-Fi / GPRS / RS485 with mobile app
  • Zero-export models (external CT required)
Best for: Homes, villas, shops and small offices
View details & specs
Oswal three-phase on-grid inverter
Three phase · 415 V

Three-Phase On-Grid

5 – 350 kW
56789101215182025 kW30–350 kW C&I
  • Up to 98.3% max. efficiency, >99% MPPT
  • 1000 V DC input, MPPT 120/180–1000 V
  • Dual MPPT on larger models
  • Type II surge protection, DC and AC
  • Built-in DC isolator switch
Best for: Larger homes, schools, hospitals, factories and plants
View details & specs
Inverter finder

Which size do you need?

Slide to your solar system size and choose your grid supply. We’ll point you to the matching Oswal inverter.

1 kW25 kW350 kW
RECOMMENDED3 kW single-phase

Ideal for a typical home rooftop.

View this inverter

Indicative guidance only. Final sizing depends on your sanctioned load, DC/AC ratio and DISCOM rules; our team will confirm.

Side by side

Single phase vs three phase

SpecificationSingle phaseThree phase*
Power range1–6 kW (11 models)5–350 kW
Grid connection230 V, P+N+PE415 V, 3P+N+PE
Max. DC input voltage550 V (600 V for 6 kW)1000 V
MPPT trackers1–21–2
Max. / Euro efficiency97.5% / 97.3%98.3% / 97.5%
MPPT efficiency>99%>99%
Surge protectionDC Type III / AC Type IIIDC Type II / AC Type II
DC isolator switchNoYes
CoolingNaturalNatural (5–9 kW) · Smart fan (10–25 kW)
Ingress protectionIP65IP65
Operating temperature−25 °C to +65 °C−25 °C to +65 °C
MonitoringWi-Fi / GPRS / RS485 / Ethernet LANWi-Fi / GPRS / RS485 / Ethernet LAN
Standard warranty10 years10 years

* Three-phase values are for the standard 5–25 kW models; specifications for 30–350 kW are available on request.

Why Oswal inverters

More yield. Less worry.

Higher yieldsDC overloading up to 10% and a high DC/AC ratio; works with panels up to 800 Wp.
Smart monitoringWeb and mobile app monitoring over Wi-Fi, GPRS, RS485 or Ethernet.
Full protectionAnti-islanding, reverse polarity, insulation, ground-fault, over-current and surge protection.
Zero export readyZero-export enabled models for sites that cannot feed the grid (external CT required).
Dealers & projects

Power up with Oswal inverters.

Get pricing, technical support or a 30–350 kW specification for your C&I project. Dealer enquiries welcome.