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SolarEdge 850W/120V Rail Mounted Power Optimizer, P850

Note: Note: For High Power or Bifacial Modules.

Designed for fast, single bolt installation on 96-cell modules, the SolarEdge power optimizers maximize energy throughput from each and every module through constant tracking of Maximum Power Point (MPPT) individually per module. Automatically maintains a fixed string voltage, they allow optimal efficiency of the SolarEdge inverter and provide installers greater flexibility to design optimal PV systems for maximum space utilization. This flexibility mitigates effects from manufacturing tolerance, partial shading & orientation while allowing for multiple orientations, tilts and module types in the same string.

The SolarEdge power optimizers use next-generation module-level monitoring to ensure the performance of each panel and to communicate performance data to the SolarEdge monitoring portal. Each optimizer is equipped with the unique SafeDC™ feature which automatically shut down modules’ voltage whenever inverter or the grid power are shut down. All SolarEdge power optimizers have a 25-year manufacturer warranty.

System Design

Compatible SolarEdge Inverters:

  • Three Phase 208V
    • Minimum Power Optimizers: 8 optimizers
    • Minimum PV Modules: 16 modules
    • Maximum Power Optimizers: 30 optimizers
    • Maximum PV Modules 60 modules
    • Maximum Power per String: 7,200W DC
  • Three Phase 480V
    • Minimum Power Optimizers: 13 optimizers
    • Minimum PV Modules: 26 modules
    • Maximum Power Optimizers: 30 optimizers
    • Maximum PV Modules 60 modules
    • Maximum Power per String: 15,300W DC

Installation Specifications

  • Maximum Allowed System Voltage: 1000Vdc
  • Input Connector: MC4 compatible
  • Output Wire Type / Connector: Double insulated, MC4 Compatible
  • Output Wire Length: 83″
  • Operating Temperature Range: -40F to +185 F
  • Enclosure Protection Rating: IP68, NRMA6P
  • Relative Humidity: 0 – 100
  • Parallel Strings of Different Lengths or Orientations: Yes

General information

Category: DC Optimizers

Electrical specifications

Mechanical data & components

Dimensions: 5.97 in (length) × 5 in (width) × 2.32 in (height)
Weight: 2.35 lb

Ac Frequency

Maximum Dc Input Voltage


Solar Edge


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