HYBRID INVERTER | TIGO | 11400W | TSI-11.4K-US

🔌 Tigo TSI‑11.4K‑US – 11,400 W Hybrid Grid‑Tie + Battery Inverter (Energy Intelligence Series)

High-capacity hybrid inverter integrated with Tigo’s Energy Intelligence platform—supports solar generation, module-level optimization, and battery backup in a single unit.

⚙️ Key Features

• 11.4 kW continuous AC output @ 240 VAC; max apparent output 18 kVA; supports 208/240 VAC grids. 

• Hybrid-capable storage-ready design: pairs with Tigo EI Battery—supports grid-tie, backup (11.4 kW continuous / 13.68 kW peak), peak-shaving, and off-grid modes. 

• 200% DC oversizing: accepts up to 22.8 kW PV input (2:1 DC/AC). 

• 4 MPPT channels (2 strings each); low startup voltage 50 V; operating range 80–550 V. 

• Advanced safety: NEC 690.12 rapid shutdown, AFCI, anti-islanding, UL1741, CA Rule 21, IEEE 1547 compliant. 

• Connectivity & monitoring: built-in Wi‑Fi, optional cellular/Ethernet; includes revenue-grade metering; fast EI App commissioning (<10 min). 

• Durable build: NEMA 4X/IP65-rated enclosure; natural convection cooling; weight ~20.5 kg (45.2 lb); dimensions ~400 × 187 × 638 mm. 

• High efficiency: peak ~98.5%, CEC ~98.0% at 240 VAC.

• Extended warranty: 152 months (~12.7 years). 

📏 Quick Specs

📄 Official Datasheet
Download the full technical specs, diagrams, and certifications:
Tigo EI Inverter Datasheet (3.8 kW / 7.6 kW / 11.4 kW) (PDF)