SolarEdge S650B Power Optimizer

S650-B-MC4 | High-power module-level optimizer for residential SolarEdge systems, supporting up to 650 W high-voltage modules with advanced safety and mismatch mitigation.

Key Features

• Specifically designed for use with SolarEdge residential inverters.
• Supports high-voltage modules up to 650 W, Isc up to 16.5 A, input up to 85 V.
• Module-level maximum power point tracking to mitigate mismatch, shading and soiling losses.
• Superior peak efficiency of 99.5% for maximum energy harvest.
• Module-level rapid shutdown and SafeDC for installer and firefighter safety.
• Abnormal connector behaviour detection (DCC variant adds additional DC connector checks).
• Single-bolt mounting with improved cable management for faster installation.
• Compatible with bifacial PV modules and long strings for optimal roof utilisation.

Electrical Specifications

Max Input DC Power	650 W
Max Input Voltage	85 V (module Voc)
Max Input Short Circuit Current (Isc)	16.5 A
MPP Voltage Range	0 – 105 V
Max Output Current	15 A
Peak Efficiency	99.5%
Number of Inputs	1 (one module per optimizer)
Connector Type	MC4 (S650-B-MC4)

Mechanical & Environmental

Dimensions (L×W×H)	129 × 155 × 30 mm (approx, excluding cables)
Weight	0.79 kg
Operating Temperature	-40°C to +85°C
Enclosure Rating	IP68
Mounting	Single-bolt frame or rail mounted
Warranty	25 years

System & Safety

• Full compatibility with SolarEdge monitoring for module-level diagnostics.
• Integrated SafeDC – automatic DC voltage reduction on AC or inverter shutdown.
• Helps enable longer strings and fewer home-runs for reduced BOS cost.

MPN: S650-B-MC4
Model: SolarEdge S650B Power Optimizer (MC4)

High‑power, high‑efficiency optimizer ideal for modern high‑current, high‑voltage PV modules in SolarEdge residential systems, delivering maximum energy and enhanced safety at the module level.