Tigo TSI-11.4K-US (601-2111K4-0003) EI Inverter

Tigo TSI-11.4K-US (601-2111K4-0003) EI Inverter

Hybrid, 11.4kW, 240/208VAC, 600VDC, 4 MPPT Inputs, Built-in Wi-Fi, RS-485, PVRSS with TS4-A-F/2F, TS4-A-O/S, 200A ATS, AFCI Protection, NEMA 4X/IP65


Item # 1420-001
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Price: $2,606.00
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Tigo TSI-11.4K-US (601-2111K4-0003) EI Inverter, Hybrid, 11.4kW, 240/208VAC, 600VDC, 4 MPPT Inputs, Built-in Wi-Fi, RS-485, PVRSS with TS4-A-F/2F, TS4-A-O/S, 200A ATS, AFCI Protection, NEMA 4X/IP65

The Tigo TSI-11.4K-US (601-2111K4-0003) is an 11.4 kW hybrid, storage-ready inverter designed for high-performance residential solar systems in the U.S., offering 200% DC oversizing, multiple MPPTs, built-in communications, and seamless integration with the Tigo Energy Intelligence (EI) platform. Engineered for both new and retrofit installations, it functions as a hybrid inverter, supporting solar generation, battery storage, backup power, and advanced module-level monitoring when paired with Tigo TS4 MLPE. Its flexible AC/DC-coupled architecture makes it ideal for homeowners who want resilience, high efficiency, and future-ready storage capability.

Features

  • Storage-ready ‘hybrid’ inverter
  • Up to 200% DC oversizing (2:1 DC/AC ratio)
  • 80V starting voltage
  • Multiple MPPTs (3 and 4)
  • Compatible with 208V or 240V service
  • Includes a revenue grade meter (RGM)
  • Built in Wi-Fi and Cellular communication (optional)
  • Lightweight (32 lb/45 lb)
  • <10 mins commission with EI App (incl. Tigo TS4)

Tigo EI Residential Solution - Technical Overview

Tigo EI Inverter Specifications Overview

Tigo EI Inverter Installation Overview

  • Generally all of our products are in stock and ready to ship within 2 business days.
  • If an item you ordered is out of stock, we will contact you within 1 business day with an expected ship date. You will then have the option to accept the new ship date or cancel your order.
  • Either way, we guarantee your card will never be charged until your order ships.
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