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Solis > 11.4kW 220/240 VAC Single Phase Residential Hybrid Storage Inverter
The Solis 1P5K-4G-US-APST single phase string inverter is extremely efficient, increasing the amount of electricity generated and recover investment returns more quickly. The 1P5K-4G-US-APST is suitable for the installation of single-phase input PV system of different types; residential, commercial and industrial and adopt ultra-high switching frequency, ultra-thin single four-layer board design can greatly reduce the risk caused by the connector. The EPM can be equipped with built-in counter-current controller, which supports multiple communication modes such as RS485, WIFI, GPRS, Ethernet and so on. Real-time monitoring and information control can be utilized.
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Model
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S6-EH1P11.4K-H-US-RSS*
* RSS (Tigo MLRSD Transmitter)
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Series
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Solis Single Phase Hybrid Energy Strorage Inverter
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Manufacturer
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Solis
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Mechanical / General Data
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Type
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Single Phase Residential Hybrid Storage Inverter
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Dimensions (W x H x D)
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21.9" W x 26.6" H x 9.4" D
(555 mm W x 676mm W x 238.5 mm D)
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Weight
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81.1 lbs
(36.8 kg)
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Topology
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Transformerless
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Operating Temperature Range
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-31 °F to 140 °F (-25°C to 60°C)
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Ingress protection
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NEMA 4X (IP66)
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Cooling concept
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Natural Convection
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Max. operation altitude
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13,120 ft (4000 m)
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Compliance
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UL1741SB, UL1741SA, IEEE 1547-2018, UL1699B, UL1998, FCC Part15 ClassB, California Rule 21, Heco Rule 14H, NEC 690.12-2020, CAN/CSA C22.2107.1-1
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Generator support
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Yes; up to 25 kW (with a Solis Power Hub)
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Shipping Method
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Ground
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Input (DC)
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Max Voltage
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600 V
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Rated MPP voltage range
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380 V
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Start-up voltage
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80 V
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MPPT voltage range
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80-520V
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Max.input current
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16 A
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Max. short circuit current
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25.6 S
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MPPT number/Max. input strings number
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4/1
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Energy Storage
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Battery type
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Lithium-ion
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Battery voltage range
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120-500 V
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Max. charge / discharge current
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50 A
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Communication
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CAN/RS485
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Number of batteries per inverter
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See Battery Compatibility Sheet
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AC Output (Grid)
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Rated output power
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11,400 W (11.4kW)
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Max. apparent output power
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11.4 kVA
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Rated grid voltage
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220V / 240 V
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Rated grid frequency
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60Hz
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Rated grid output current
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51.8 A / 47.5 A
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Max. output current
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51.8 A / 47.5 A
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THDi
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<3%
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AC Input (Grid)
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Input voltage range
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193.6-242 V / 211-264 V
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Max. input current
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77.7 A / 71.3 A
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Frequency range
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59.5-60.5 Hz / 59-61Hz
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AC Output (Backup and Off-grid)
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Rated output power
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11.4 kW
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Max. apparent output power
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18.2 kVA, 10 sec
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Back-up switch time
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<10 ms
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Phase power
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220 V / 240 V Split-Phase
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Rated output voltage (L1-L2)/(L1/L2-N)
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220 V / 240 V
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AC output voltage range
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193.6-242 V / 211-264 V
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Rated grid frequency
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60 Hz
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Frequency range
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55-65 Hz
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Rated AC output current
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51.8 A / 47.5 A
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Max. output overcurrent protection, 10 sec
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82.7 A / 76 A
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Max. allowable phase imbalance
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100%
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Backup support configurations
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Dedicated loads and whole-home (with a Solis Power Hub)
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Power factor
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>0.99 (0.8 leading - 0.8 lagging)
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THDv (@linear load)
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<3%
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Efficiency
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Max. efficiency
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97.6%
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EU efficiency
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97.2%
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BAT charged by PV Max. efficiency
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98.5%
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BAT charged/discharged to AC Max. efficiency
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97.0%
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Protection
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Ground fault detection
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Yes
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Residual (leakage) current detection
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Yes
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Integrated AFCI (DC arc-fault circuit protection)
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Yes
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DC reverse-polarity protection
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Yes (PV only)
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Rapid Shutdown NEC 2017
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Integrated SunSpec-certified Transmitter
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Compatible RSD Receivers
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See MLRSD Compatibility Sheet
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Protection class/Over voltage category
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I/II
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Features
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DC connection
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1 in. knockouts for conduit (x2) on the side and bottom; Spring clamp terminals
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AC connection
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2 in. knockouts for conduit (x3) on the side and bottom; Spring clamp terminals
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Interface
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LED indicator lights, Bluetooth/Phone app
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Monitoring platform
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SolisCloud (modbus map and API sharing available upon request)
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Communication
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RS485, Optional: Cellular, Wi-Fi
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Additional Product Features
Highly Flexible
- Can be used for both whole-home and dedicated loads backup systems
- Four MPPTs allows for versatile PV array design
- Provides split-phase backup power up and is stackable up to ten inverters in parallel
- UL 9540 certified with multiple battery brands to provide up to 80 kWh of storage capacity per inverter
- Has peak shaving, energy arbitrage, selfconsumption, backup, and off-grid modes
- California Rule 21 and HECO listed with the UL 1741 SB and UL 1741 PCS certifications
Efficient Performance
- Maximum PV input current up to 16A per string
- High DC:AC ratio of 1.6 for more PV power capacity
- Generates up to 50A/11.4kW of continuous backup
power with just one inverter
- Transfer time is < 10ms for all backed up loads
- DC to DC battery charging for optimal use of PVgenerated
energy
Intelligent Design
- SunSpec modbus certified with the latest SunSpec models
- Connect up to 10 inverters in parallel with energy monitoring and export power control
- Supports generate interconnection and allows the generator to function as the grid source if utility power is lost
- Capable of frequency-watt control for interoperability with other smart devices
- Offers all of the smart inverter functions detailed in IEEE 1547-2018
- Utilizes an energy management system that maximizes efficiency and offers multiple operating modes
- Solis app allows for remote system configuration and firmware
upgrading
Safe and Reliable
- Reverse DC polarity protection and software-based AFCI detection
- NEC 2017 compliant with multiple integrated PLC transmitter options available
- Fanless design using convection cooling for lower failure rate and complexity
- Third-party tested and validated for product reliability
Documentation
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Data Sheet
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Solis Residential Hybrid Storage Inverter | S6-EH1P(3.8-11.4)K-H-US
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