SolarEdge S440 Power Optimiser

The SolarEdge S440 Power Optimizer is a panel-level DC‑DC converter crafted to significantly boost solar system performance, especially in environments affected by partial shading, module mismatch, or varied orientations/tilts. The S440 seamlessly pairs with SolarEdge residential inverters, delivers max 99.5% efficiency, and includes SafeDC functionality shutting down module voltage to ~1 V when the inverter or grid power is off,

Dimensions & Technical Specifications

• Input Power: 440 W (490 W for installations post-Apr 2024)

• MPPT Range: 8 – 60 V

• Max Input Voltage (Voc): 60 V

• Max Isc: 14.5 A

• Output Current: 15 A, up to 60 V during operation

• Efficiency: 99.5% peak, 98.6% weighted

• Dimensions: approx. 129 × 155 × 30

• Connectors: MC4 in/out; output cable lengths 2.3 m (+), 0.10 m (–)

• Weight: 720 g

• Protection: IP68 / NEMA 6P, operating –40 °C to +85 °C

Company Overview

SolarEdge Technologies is a global leader in smart energy solutions, including inverters, energy storage, EV charging, and module-level power electronics. Their S-Series Optimizers are built on years of innovation, ensuring enhanced safety and maximum energy yield.