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#2: S1200-MC4 Inverters - Optimisers
SE S1200 Optimiser Datasheet
Minimum Order: 4 UnitsPart No: S440-MC4
The SolarEdge S440 Power Optimizer is purpose-built for seamless integration with SolarEdge commercial inverters, delivering maximum energy efficiency and system safety. With module-level MPPT technology, it reduces mismatch losses caused by manufacturing tolerances, shading, or soiling—ensuring your PV system achieves peak performance.
Optimised Performance – Mitigates all module mismatch losses, including shading and manufacturing variations
High Efficiency (99.5%) – Maximises energy harvest for greater system ROI
Safety First – Module-level voltage shutdown enhances installer and firefighter safety
Smart Protection – Detects abnormal PV connector behaviour to prevent safety issues
Flexible Design – Compatible with bifacial PV modules and supports space-efficient layouts
Fast Installation – Simplified cable management and single-bolt assembly for quicker setups
Weight: 1.09 kg
Rated DC Power: 1,200 W
Max DC Current: 15 A
Max Input Voltage: 125 V
Min/Max PPT Voltage: 12 V – 125 V
DC Startup Voltage: 12 V
DC Shutdown Voltage: 125 V
DC Inputs: 2
Connector Type: MC4
Included Connectors: 12
Euro Efficiency: 98.6%
Transformer: N/A
MPPT Channels: 1
Integrated DC Switch: No
The S1200 Optimizer features a higher operating current. When pairing with inverters containing 25A built-in fuses, these must be replaced with 30A fuses before commissioning.
Fuse replacement kit available: Part No. FLD-DCD-SEL1-FUSE.
Applicable inverter models: SExxK-xxxxIxxCx, SExxK-xxxxIxxDx, SExxK-TWxxIxxLx, SExxK-xxxxIxxZx.
✅ The SolarEdge S440 Power Optimizer is the perfect solution for installers seeking maximum safety, efficiency, and design flexibility in commercial PV systems.