Solaredge SE33.3KUS, 33.3kW Three Phase Inverter for 277/480V Grid

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Pricing is an estimate, kits are customized for each building variation.
Pricing does not include freight shipping. Request a shipping quote and get a free roof layout.

The SolarEdge three phase inverter combines sophisticated digital control technology with efficient power conversion architecture to achieve superior solar power harvesting and best-in-class reliability. 

The fixed-voltage technology ensures the solar inverter is always working at its optimal input voltage over a wider range of string lengths and regardless of environmental conditions.

A proprietary data monitoring receiver has been integrated into the inverter and aggregates the power optimizer performance data from each PV module. This data can be transmitted to the web and accessed via the SolarEdge monitoring platform for performance analysis, fault detection and troubleshooting of PV systems.


  • Inverters specifically designed to work with SolarEdge power optimizers
  • Support for three phase 208V and 277/480V grids
  • Excellent reliability with standard 12-year warranty (extendable to 20 or 25 years)
  • Superior efficiency
  • Small, lightweight, and easy to install
  • Built-in module-level monitoring receiver
  • Internet connection through Ethernet or wireless connectivity (using ZigBee® or cellular plug-ins)
  • NEMA 3R – suitable for outdoor and indoor installations
  • Integrated arc fault protection and rapid shutdown for NEC 2014 and 2017 690.11 and 690.12
  • Supplied with a surge protection device plug-in, to better withstand lightning events
  • Supports horizontal mounting
  • All inverters are UL1741 SA certified, for CPUC Rule 21 grid compliance



Rated AC Power Output: 33300VA

Maximum AC Power Output: 33300VA

Maximum Input Voltage DC to Gnd: 490 VDC

Maximum Input Current: 40 ADC

Dimensions: 21 x 12.5 x 10.5 in / 540 x 315 x 260 mm

Dimensions with Safety Switch: 30.5 x 12.5 x 10.5 in / 775 x 315 x 260 mm

Weight: 68 lbs / 31 kg

Weight with Safety Switch: 75 lbs / 34 kg

Customize my box

Customize My Box

We'll custom design this system for you and calculate how many solar panels you need to meet your goals.
Request customized kit