Tigo 11.4kW 400V 208/240VAC Energy Storage Hybrid Inverter/Charger
Tigo 11.4kW 400V 208/240VAC Energy Storage Hybrid Inverter/Charger
Description
The Tigo TSI-11.4K-US is a smart hybrid inverter engineered to orchestrate energy production, storage, and consumption for residential solar and battery systems.
Features:
- Up to 200% DC Oversizing — Supports a 2:1 DC/AC ratio with 80V starting voltage for maximum solar harvest and system flexibility.
- Built-In Wi-Fi & Energy Intelligence Platform — Powered by Tigo EI for seamless monitoring, optimization, and cellular backup communication.
- NEC 690.12 Rapid Shutdown Compliant — Fully compatible with Tigo TS4 MLPE for module-level monitoring and rapid shutdown protection.
- NEMA 4X/IP65 Enclosure — Rated for outdoor installation with natural convection cooling and operating range of -13°F to 140°F.
- 152-Month Standard Warranty — Industry-leading coverage backed by a lightweight 45 lb. design and under 10-minute commissioning.
Designed for seamless integration with the Tigo EI Battery, this inverter delivers intelligent energy management for larger residential and light commercial solar systems. Compatible with the 200A ATS for automatic transfer switching.
Certified to UL1741:2021 Ed.3 and IEEE 1547:2018, the TSI-11.4K-US meets rigorous grid interconnection and safety standards. Listings include CA-CEC, CA Rule 21 CSIP, CA CPUC-SGIP, and Hawaii utility rules.
With a maximum efficiency of 98.5% and CEC efficiency of 98.0% at 240V, this inverter delivers top-tier energy conversion for demanding installations. A complete solution for installers requiring high-output, intelligent, code-compliant solar storage.
Product Specifications
Tigo 11.4kW 400V 208/240VAC Energy Storage Hybrid Inverter/Charger Product Specifications
| Specification | Details |
|---|---|
| Model | TSI-11.4K-US |
| Nominal Power Output | 11400 W @ 240V / 9880 W @ 208V |
| Max. Apparent Power | 11400 VA |
| Nominal AC Voltage | 208V / 240V |
| Max. Output Current (Grid) | 48A |
| Max. Output Current (Backup) | 75A |
| Grid Frequency | 50/60 Hz |
| Power Factor | >0.99 |
| THDI | <3% |
| Max. Recommended PV Power | 22800 W |
| MPPT Voltage Range | 80V – 550V |
| Full-Load Voltage Range | 220V – 500V |
| Number of MPPTs | 4 |
| PV Strings per MPPT | 2 |
| Max. Input Current (Imp/Isc) | 13.5A / 16.9A |
| Nominal Battery DC Voltage | 400V |
| I/O DC Current | Up to 32.5A |
| I/O DC Power | 11700W |
| Max. AC Backup Power | 18000 VA |
| Max. Efficiency | 98.5% |
| CEC Efficiency @ 240V / 208V | 98.0% / 97.5% |
| Operating Temperature | -13°F to 140°F (-25°C to 60°C) |
| Enclosure Rating | NEMA 4X / IP65 |
| Cooling | Natural Convection |
| Dimensions (W x D x H) | 15.8 x 7.4 x 25.2 in. |
| Weight | 45.2 lbs |
| Altitude | 9843 ft. (3000 m) |
| Communication | Wi-Fi Standard, 4G Optional |
| Warranty | 152 Months |
| Certifications | UL1741:2021 Ed.3, IEEE 1547:2018, UL1699B, FCC Part 15B |
| Listings | CA-CEC, CA Rule 21, CA CPUC-SGIP, Hawaii Rule 14H |
| Compatible ATS | 200A ATS |
| Part Number | 601-2111K4-0003 |
Product Manual
Data Sheet
Product Warranty
Warranty Information
Product FAQs
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Description
Tigo 11.4kW 400V 208/240VAC Energy Storage Hybrid Inverter/Charger
Description
The Tigo TSI-11.4K-US is a smart hybrid inverter engineered to orchestrate energy production, storage, and consumption for residential solar and battery systems.
Features:
- Up to 200% DC Oversizing — Supports a 2:1 DC/AC ratio with 80V starting voltage for maximum solar harvest and system flexibility.
- Built-In Wi-Fi & Energy Intelligence Platform — Powered by Tigo EI for seamless monitoring, optimization, and cellular backup communication.
- NEC 690.12 Rapid Shutdown Compliant — Fully compatible with Tigo TS4 MLPE for module-level monitoring and rapid shutdown protection.
- NEMA 4X/IP65 Enclosure — Rated for outdoor installation with natural convection cooling and operating range of -13°F to 140°F.
- 152-Month Standard Warranty — Industry-leading coverage backed by a lightweight 45 lb. design and under 10-minute commissioning.
Designed for seamless integration with the Tigo EI Battery, this inverter delivers intelligent energy management for larger residential and light commercial solar systems. Compatible with the 200A ATS for automatic transfer switching.
Certified to UL1741:2021 Ed.3 and IEEE 1547:2018, the TSI-11.4K-US meets rigorous grid interconnection and safety standards. Listings include CA-CEC, CA Rule 21 CSIP, CA CPUC-SGIP, and Hawaii utility rules.
With a maximum efficiency of 98.5% and CEC efficiency of 98.0% at 240V, this inverter delivers top-tier energy conversion for demanding installations. A complete solution for installers requiring high-output, intelligent, code-compliant solar storage.
Product Specifications
Tigo 11.4kW 400V 208/240VAC Energy Storage Hybrid Inverter/Charger Product Specifications
| Specification | Details |
|---|---|
| Model | TSI-11.4K-US |
| Nominal Power Output | 11400 W @ 240V / 9880 W @ 208V |
| Max. Apparent Power | 11400 VA |
| Nominal AC Voltage | 208V / 240V |
| Max. Output Current (Grid) | 48A |
| Max. Output Current (Backup) | 75A |
| Grid Frequency | 50/60 Hz |
| Power Factor | >0.99 |
| THDI | <3% |
| Max. Recommended PV Power | 22800 W |
| MPPT Voltage Range | 80V – 550V |
| Full-Load Voltage Range | 220V – 500V |
| Number of MPPTs | 4 |
| PV Strings per MPPT | 2 |
| Max. Input Current (Imp/Isc) | 13.5A / 16.9A |
| Nominal Battery DC Voltage | 400V |
| I/O DC Current | Up to 32.5A |
| I/O DC Power | 11700W |
| Max. AC Backup Power | 18000 VA |
| Max. Efficiency | 98.5% |
| CEC Efficiency @ 240V / 208V | 98.0% / 97.5% |
| Operating Temperature | -13°F to 140°F (-25°C to 60°C) |
| Enclosure Rating | NEMA 4X / IP65 |
| Cooling | Natural Convection |
| Dimensions (W x D x H) | 15.8 x 7.4 x 25.2 in. |
| Weight | 45.2 lbs |
| Altitude | 9843 ft. (3000 m) |
| Communication | Wi-Fi Standard, 4G Optional |
| Warranty | 152 Months |
| Certifications | UL1741:2021 Ed.3, IEEE 1547:2018, UL1699B, FCC Part 15B |
| Listings | CA-CEC, CA Rule 21, CA CPUC-SGIP, Hawaii Rule 14H |
| Compatible ATS | 200A ATS |
| Part Number | 601-2111K4-0003 |
Product Manual
Data Sheet
Product Warranty
Warranty Information
Product FAQs
N/A
