SolarEdge SE7k User Manual

Appendix G: Determining the Circuit Breaker
Size
Revision History
Version 1.0 February 2019: first release
Introduction
Inverters should be protected by circuit breakers. This document describes how to
determine which circuit breaker to use in three phase commercial installations.
Using Transformers in Commercial Three Phase
Inverter Installations
Using transformers in a commercial installation is optional. In most cases a transformer
is used to connect the installation to the medium voltage power grid. The following
figure illustrates a typical transformer and commercial three phase inverter installation
topology.
Figure 43: Typical transformer and commercial three phase inverter installation topology
-Three Phase System Installation Guide MAN-01-00057-4.1
98 Appendix G: Determining the Circuit Breaker Size

SolarEdge SE7k Specifications

General

Manufacturer	SolarEdge
Model	SE7k
Category	Inverter
Max. DC Power	9450 W
Max. AC Power Output	7000 W
Rated AC Power	7000 W
AC Frequency	50/60 Hz
Topology	Transformerless
Warranty	12 years
Communication Interfaces	RS485, Ethernet
Cooling	Convection
Operating Temperature Range	-25°C to 60°C