Out of stock

SolarEdge P400 Power Optimizer SE-P400

price as of July 14
All SOLAREDGE products


Dimensions LxWxH5" x 5.97" x 1.37"
Weight1.7 lb
Manufacturer Part #P400-5NC4ARM
Operating Temperatures -40F .. +185F
Warranty25 years Manufacture
Delivery Time 5-7 Business Days

About product

SolarEdge, Optimizer 400W, Add-On Box for one 72 or 96 cell module, 8-80V, 10.1A, MC4-compatible In/Out, 47" PV wire, UL 1000VDC, P400

SolarEdge P400 is used instead of the usual solar junction box. Each power optimizer connects to only one solar panel to maximize its performance. To achieve it, the device employs maximum power point tracking technology (MPPT). You can expect an increase of up to 25%, but the device can also cut your costs in other ways. For example, you can make maintenance more cost-effective by using the SolarEdge monitoring platform that keeps track of all your modules individually. The installation couldn’t be easier – just fasten a single bolt.

Compliance with all relevant standards

SolarEdge P400 is compliant with all standards for safety, material and electromagnetic compatibility. The model meets VDE-AR-E 2100-712 Fire Safety Standard, implementing rapid shutdown features.

Key Benefits

  • Cuts installation costs by reducing the amount of cables, fuses and boxes in two
  • Deals with mismatch losses, from manufacturer's tolerance to partial shading
  • Makes maintenance more cost-effective by monitoring each PV module
  • Speeds up installation with a single bolt configuration
  • Increases the performance up to 25% 
  • SafeDC feature for improved safety
  • Doubles the maximum string length
  • Outstanding efficiency (99.5%)
  • Keeps string voltage constant
  • A 25 year warranty

Reviews & Questions

  • Reviews (3)
  • Questions (1)
I was led here by my installer’s advice. The store answered my calls promptly, offered good pickup locations and processed the order promptly. Keep up the good job!
07/12/2021 11:50 am
SE equipment is simply the best. Turn it as you might, it gives the best reliability, functionality and efficiency for every spent dollar.
U. Asif
06/28/2021 04:19 pm
Some parts of my array would be inevitably shaded during the day. To cope with this issue, I’ve opted for a SolarEdge inverter plus power optimizers. It was a good decision
J. Hesch
06/11/2021 08:48 am

Leave a review

I believe I have seen two models like this on your website, what’s the difference?
Ara N.
07/14/2021, 08:51
The same model may be priced slightly differently depending on manufacture date.