SolarEdge 208/480V 3-Phase Universal Secondary Inverter SESU-USRS0NNN4

Note: A SolarEdge Primary unit is required.

SolarEdge is offering a new generation of commercial inverters and combining large capacity with ease of installation. The inverter design is based on small, lightweight, and easy-to-carry primary and secondary units. They are wall mounted for a minimal footprint, with installation only requiring a one or two-person crew.

No crane or special tools are needed for installing the inverter, unlike alternative large capacity inverters, which are heavy, bulky, and difficult to install. Installing SolarEdge’s large capacity inverters instead of using multiple, smaller capacity inverters will further reduce setup times and costs.


  • Independent operation of each unit enables easy serviceability for high system uptime 
  • Connection to the SolarEdge Monitoring Platform via Ethernet or wireless communications, including optional built-in cellular GSM 
  • No wasted ground area: wall/rail mounted, or horizontally mounted under the modules (10° inclination)
  • Designed for tough working environments
  • Includes a built-in RS485 Surge Protection Device, designed to protect the RS485 transceiver from electrical surges
  • Integrated DC Safety Unit with DC Safety Switch and optional surge protection & DC fuses, eliminating the need for external DC isolators 
  • Built-in double RS485 connections

General information

Category: Three-phase Grid tied
Type: String Inverter
Topology: Transformerless

Electrical specifications

CEC efficiency: 98.50%
Recommended PV input (STC): 850 Watts
Maximum DC input voltage: 1000.00 Volts
Maximum DC input current: 120.00 Amps
AC voltages: 277 Volts, 480 Volts
AC frequencies: 60Hertz
Continuous AC power output: 33000 Watts
Min operating voltage: 422.50 Volts
Max operating voltage: 529.00 Volts

Mechanical data & components

Enclosure ratings: NEMA 3R
Dimensions: 12.5 in (length) × 10.5 in (width) × 21 in (height)
Weight: 99.2 lb


Solar Edge

Continuous Ac Power Output

Ac Frequency

Nominal Ac Voltage


Maximum Dc Input Voltage


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