1) New SE33.3k and SE14.4k Three Phase Inverters
SolarEdge is extending its commercial offering with the launch of SE14.4K and SE33.3K three-phase inverters. These inverters are meant to minimize the number of required inverters and to improve system ROI. All inverters have integrated safety, monitoring, and communication features.
Designed to operate with SolarEdge commercial power optimizers, the P600 and P700, the inverters can allow up to 2.5 times longer strings compared to traditional inverters.
The SE14.4KUS inverter supports the 120/208V WYE and 208V Delta grids, and the SE33.3KUS inverter supports the 277/480V WYE grid.
The new inverters come with an integrated DC Safety Switch that offers support for 3 fused DC strings input (plus & minus).
Like all SolarEdge inverters, the new inverters have a standard 12-year warranty, extendable to 20 or 25 years.
2) SE9KUS inverters can now be connected to 208V Delta grids
How: The inverter has two fuse holders, a fuse and a dummy fuse. The position of the fuse configures the AC grid connection:
By default it’s in the WYE fuse holder.
Before connecting the inverter to a Delta grid, the fuse should be moved to the Delta fuse holder.
The Delta/WYE fuse doubles as an AC surge protection fuse for the auxiliary power supply
It is field replaceable.
3) All inverters can now be mounted horizontally
SolarEdge three phase inverters can be installed horizontally (above 10° tilt) as well as vertically, and at any tilt over 10° up to 90°.
Horizontally mounted inverters can be installed under or near the modules, thus saving roof space and minimizing shading on the installation surface.
4) All inverters will ship with a new, updated bracket
Here are some tips that we wanted to share to improve installation efficiencies in using the new bracket:
For uneven surfaces like slanted siding, use spacers to straighten the bracket – refer to manual for details.
For pole mounting, first install a back sheet spanning the width of the inverter.
Removal of Grounding Terminal from Optimizer Bracket
Following the May 2015 introduction of the new SolarEdge power optimizer grounding lug, which is attached to the optimizer using the optimizer mounting bolt, the grounding terminal is being removed from the optimizer bracket. This terminal was used for connecting the old grounding lug to the optimizer and is therefore no longer needed.
Contact your distributor for shipping information.
