SolarEdge 50 kW PCS050 AC Coupled Battery Inverter 50 kW three‑phase AC‑coupled battery inverter for SolarEdge commercial and industrial storage systems, designed to work with the SolarEdge 102.4 kWh Battery Cabinet. Bi‑directional power conversion with up to 55 kW DC input power and <20 ms transition time between on‑grid and backup modes when used with the Commercial Backup Interface. High efficiency (up to 97.5%), IP65 enclosure and integrated protections for dependable long‑term operation on UK and European C&I sites. Overview The SolarEdge PCS050 is a 50 kW three‑phase AC‑coupled battery inverter, supplied as part of the SolarEdge CSS‑OD commercial storage system. It connects to one or two SolarEdge 102.4 kWh battery cabinets and an AC‑coupled SolarEdge PV system, handling charging and discharging of the storage while interfacing with the grid or backup system. The inverter is managed through the SolarEdge ONE optimisation platform, which coordinates site generation, storage and loads for self‑consumption, peak shaving and tariff‑based operation as supported in firmware. When combined with the optional Commercial Backup Interface in supported countries, it can also form part of a microgrid‑type backup architecture. Key features 50 kW rated AC active power output (55 kVA apparent) at 400/230 Vac, three‑phase, with <3% THD. Up to 55 kW DC input power via two DC interfaces, supporting up to two CSS‑OU‑20 102.4 kWh battery cabinets per inverter. Maximum inverter efficiency of 97.5%, with fully bi‑directional operation for charge and discharge. On‑grid and backup operation with overall system transition time <20 ms when used with the SolarEdge Commercial Backup Interface. IP65‑rated, air‑cooled enclosure with integrated Type II DC and Type III AC surge protection, reverse polarity protection and grid, earth fault and leakage monitoring. Typical applications Well suited to logistics hubs, warehouses, light industrial sites, commercial rooftops and similar C&I locations where SolarEdge PV is already installed or planned. Typical uses include peak demand reduction, shifting solar generation into evening operation, and, with the appropriate backup interface, providing support for critical loads during grid outages. Technical specifications AC specifications (on‑grid / backup) Rated AC Active Power Output 50 kW Maximum AC Apparent Output Power 55 kVA Maximum Continuous Output Current (per phase) 80 Aac Maximum Inverter Efficiency 97.5% AC Output Voltage – Line to Line / Line to Neutral (Nominal) 400 / 230 Vac AC Output Voltage – Line to Line / Line to Neutral (Range) 340 – 440 Vac(7) AC Frequency 50 / 60 ± 5 Hz AC Line 3W + PE / 4W + PE(8) Total Harmonic Distortion < 3% Power Factor Range ‑1 to 1 / leading, lagging Overall System Transition Time < 20 mS DC specifications Maximum DC Input Power 55 kW Maximum DC Current 55 × 2 Adc Number of DC Input Interfaces 2 Maximum Paralleled Battery Cabinets on Battery Inverter 2(9)(10) Safety features Reverse Polarity Protection Yes Grid Monitoring Yes Earth Fault Protection Yes Earth Leakage Protection Yes DC Surge Protection Type II integrated AC Surge Protection Type III integrated Communication Communication Ports RS‑485 / CAN Mechanical specifications Inverter Dimensions (W × D × H) 650 × 324 × 715 mm Inverter Weight 68 kg IP Protection IP65 Cooling Method Air Cooling AC Input Cable Cross Section / Lugs Size 25 – 35 mm² / M6(11)(12) Standard compliance Safety IEC 62109‑1, IEC 62109‑2 Emissions IEC 61000‑6‑4, IEC 61000‑3‑11, EN/IEC 61000‑3, CISPR 11 Grid Connection NRS 097‑2‑1:2017 Edition 2.1, NRS 097‑2‑1:2024 Edition 3, CEI‑016, CEI‑021, VDE AR‑N‑4105, IEC/EN 50549‑1/2 Environmental specifications Operating Temperature (‑)20 – (+)45 °C Operating Humidity 5 – 95 (non‑condensing) % Maximum Operating Altitude 3000 m Warranty System 10 years(13) Documents available for download SolarEdge CSS‑OD Battery Cabinet 102.4 kWh / Battery Inverter 50 kW datasheet SolarEdge PCS050 installation manual Shipping Available to the UK, Ireland, Africa, the Caribbean and worldwide. If the shipping rate is not shown at checkout, contact us on +44 2080640335 or [email protected] for a quote. UK expert support UK expert support is available for SolarEdge C&I storage design, including battery cabinet and PCS050 sizing, PV inverter integration and backup configurations. Contact us via phone, email or live chat, or visit our office for an in‑person consultation. For most projects we recommend installation by a qualified commercial installer or one of our trusted SolarEdge partners. Suggested meta description: SolarEdge 50 kW PCS050 AC‑coupled battery inverter for commercial and industrial storage – three‑phase 400/230 V, up to 55 kW DC input, IP65, 10‑year warranty and UK expert support from Energian.
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