
SolarEdge S440-1GM4MRM Power Optimiser 440W
S440-1GM4MRM
SolarEdge S440-1GM4MRM Power Optimiser 440W - Maximizing Solar Energy Production
The SolarEdge S440-1GM4MRM is a 440W power optimiser designed for residential installations. This device enables PV power optimisation at the module level, working specifically with SolarEdge residential inverters. The S440 is capable of supporting modules up to 440Wp, helping to increase energy production by tracking individual solar modules. By optimizing each module's performance, it maximizes overall system efficiency and energy yield.
Technical Specification
- Rated Input DC Power: 440W
- Absolute Maximum Input Voltage: 60V
- MPPT Operating Range: 8 – 60 Vdc
- Max. Efficiency: 99.5%
- Dimensions: 129 x 153 x 30 mm
✅ Enhance your solar system's performance with the SolarEdge S440 Power Optimiser for higher energy efficiency and production!

Product | Optimiser |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.