SolarEdge S440 Power Optimizer | Panel-Level MPPT | Evergy

£45.00

The SolarEdge S440 Power Optimizer boosts panel output and ensures module-level monitoring and safety, ideal for residential or commercial solar arrays.

Maximises energy from each panel with MPPT at module level
Compatible with high-power PV modules
Integrates with SolarEdge Energy Meter for full system control

Why We Recommend This Product: A reliable optimiser that improves panel performance and simplifies system design—ideal for complex rooftops.

SKU: S440-1GM4MRM

Free and easy returns | Easy to Install | Professional Installers Available

SolarEdge S440: Reliable Optimisation for Residential and Commercial PV

The SolarEdge S440 Power Optimizer enables enhanced panel output by providing module-level MPPT and performance tracking. It ensures each panel operates at its maximum capacity regardless of shading or mismatch—delivering a smarter, safer solar system.

Maximise Output Across Every Panel

The S440 allows solar arrays to perform better in partial shading or challenging layouts. Each unit connects directly to a single panel, ensuring maximum power harvesting at the module level. It's especially useful for rooftops with different orientations or when using high-output PV modules.

Rated for up to 440W STC PV modules
Module-level MPPT for optimal yield
Reduces impact of panel mismatch or shading

Improved Monitoring and Safety

By connecting the S440 with a SolarEdge energy meter, installers and users gain precise, real-time insight into system performance. In addition, automatic panel shutdown features increase onsite safety.

Why Evergy Recommend This Product

Improves output from shaded or split-panel systems
Works with all SolarEdge inverters
Helps meet G98/G99 compliance standards

Ideal For

Residential rooftops with varied panel layouts, or commercial sites where energy efficiency and data visibility matter.

Key Specifications

Rated Power: 440W
Max Input Voltage: 60V
Compatible with: SolarEdge inverters and S500 optimisers

Full technical data is available under the 'Specification' tab.

Delivery

This item qualifies for free UK delivery. Bulk or installer orders may be shipped via pallet. View our delivery page for more.

Pair With Other SolarEdge Products

Looking for a flexible optimiser for shaded or retrofit installations? Explore the Tigo Add-On Solar Panel Optimiser for enhanced panel-level control.

Need help specifying your system? Speak to Evergy or call 01844 393939.

Attribute name	Attribute value
Features	Advanced safety features, module-level monitoring, and simplified installation for residential installations.
Max Input Voltage	60V
Efficiency	Up to 99.5%.
Power Rating	Suitable for modules up to 440W.
Max Output Current	14.5A

S440-1GM4MRM

SOLAREDGE

SolarEdge is a leader in smart energy technology, committed to harnessing solar power for a sustainable future. Their DC-optimized technology maximizes energy production and drives innovation in energy storage and EV charging solutions for both residential and commercial applications.

Free delivery -

NEXT DAY Delivery to Oxfordshire, Buckinghamshire and London via an EVERGY vehicle. Max of 1 ton weight.

Other delivery options via courier -

FREE NEXT DAY (*orders over £50, some batteries and inverters will require an additional fee) via FEDEX. Monday to Friday, up to 30kg, Max box size 50cm x 50cm x 50cm (volume). Orders must be received by 2pm.

Anytime NEXT DAY delivery – under £50 = £6.50 (depending on location, weight and size)

Regardless of spend, additional to any of the above charges –

Before noon (FedEx Priority Express) = Guide Price £15.00 (calulated at checkout)

Before 10am (FedEx First) = Guide Price £20.00 (calulated at checkout)

Delivery of pallets -

Palletised deliveries – Prices starting at £58

Multiple pallet orders can be quoted upon request (price dependent on number of pallets and postcode area)

Special delivery items may vary (non-stock products).

SAME DAY COLLECTION - Click & collect from Evergy Stores (Thame, Oxfordshire).