SolarEdge SE66.6K-RW00IBNM4

Three-Phase PV Inverter SolarEdge SE66.6K-RW00IBNM4

The SolarEdge SE66.6K-RW00IBNM4 is a high‑efficiency, on‑grid three‑phase PV inverter designed for commercial solar installations. Built around a lightweight, modular architecture that typically uses two or three Synergy Units with a Synergy Manager, it enables easy two‑person installation and independent unit operation for improved uptime and serviceability. It includes integrated pre‑commissioning features that validate system components and wiring during site installation and before grid connection. With built‑in thermal sensing, arc‑fault protection, PID mitigation, and field‑replaceable surge protection devices, this inverter is built to maximize performance and safety in demanding environments. Additional protections include RS485 and Type 2 DC surge protection, optional Type 2 AC surge protection, and an optional integrated DC safety switch to simplify wiring. Module‑level monitoring with Ethernet or cellular communication provides full visibility of the solar system, supporting proactive maintenance and rapid diagnostics.

Applications and use cases

Designed for commercial rooftop and ground‑mounted PV systems, the SE66.6K‑RW00IBNM4 is well suited for grid‑tied installations that require reliable three‑phase power conversion and scalable deployment. Its modular design supports flexible sizing by combining 2–3 Synergy Units per inverter, which simplifies installation, reduces physical footprint, and enables straightforward serviceability. The built‑in pre‑commissioning workflow accelerates site validation before grid connection, helping ensure safe and efficient startup. Its robust protection suite and monitoring capabilities make it ideal for installations in regions with challenging electrical conditions or frequent transients.

• Three‑phase on‑grid operation for commercial rooftops and ground mounts
• Modular architecture (2–3 Synergy Units + Synergy Manager) for scalable, lightweight installation
• Pre‑commissioning to automate validation of wiring and components during installation
• Integrated protection against wiring faults, arc faults, and PID‑related performance losses
• Field‑replaceable surge protection devices and optional AC surge protection
• Module‑level monitoring with Ethernet or cellular connectivity for system visibility
• Optional DC safety switch to simplify local isolation and safety procedures

Key electrical and performance parameters

The SE66.6K‑RW00IBNM4 delivers high‑efficiency power conversion with a strong emphasis on reliability and safety. Core electrical characteristics are designed to maximize energy harvest while maintaining safe operation in typical outdoor environments. The inverter supports a wide DC input window and a broad AC output envelope to accommodate diverse PV configurations and grid requirements.

• Rated inverter power: 66 kW
• Maximum DC power: 67.28 kW
• Maximum AC power: 38.45 kW
• Inverter Type: On‑grid (three‑phase)
• Maximum DC voltage: 600 V
• Maximum DC current: 48.25 A
• Output AC voltage range: 177–253 V / 184–264.5 V
• Nominal AC voltage: 221/127 V or 230/133 V
• Maximum AC current: 96.5 A
• Frequency range: 50/60 Hz; Frequency: 50/60
• Power factor: ±0.2 to 1
• Number of phases: 3
• Maximum efficiency: 98.3%; Euro efficiency: 98%
• Operating temperature range: −40 to +60 °C
• Protection class: IP65
• Weight: 32 kg; Dimensions: 360 mm (H) x 560 mm (W) x 295 mm (D)
• Protection features: Anti Island Protection (ENS), Reverse polarity protection, Ground fault monitoring

Operating conditions and reliability

The SE66.6K‑RW00IBNM4 is engineered for durable outdoor operation in a variety of climates, featuring an IP65 enclosure and a robust three‑phase design suitable for commercial PV plants. Its modular Synergy Units operate independently, contributing to higher uptime and easier on‑site serviceability. Built‑in thermal sensors continuously monitor wiring and connections to detect faults early, while arc fault protection and optional rapid shutdown enhance safety during maintenance or in fault conditions. PID mitigation helps sustain performance over time, and Monitored and field‑replaceable surge protection devices improve resilience against surge events from lightning or grid disturbances. The inverter also supports module‑level monitoring via Ethernet or cellular links, enabling remote diagnostics and proactive maintenance.

• Modular, lightweight design enables 2‑person installation
• Independent operation of each Synergy Unit for higher uptime
• Built‑in thermal sensors detect wiring faults for enhanced protection
• Arc fault protection with optional rapid shutdown for safety
• PID mitigation to preserve long‑term energy harvest
• Monitored and field‑replaceable surge protection devices
• Ethernet or cellular module‑level monitoring for full system visibility
• Weather‑proof IP65 enclosure suitable for outdoor installations