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FEATURES
High Efficiency& Smaller:Inverter/charging efficiency up to95.5%(mainstream <93%),30% smaller, low heat for longer life.
AC dual-input: One for mains power, one for generator dedicated interface.
Smart Dual Outputs:Manages critical and general loads custom 2nd output switch time&power-off voltage.
Microgrid anti-backflow(optional): External CT + current sensor enables self-consumption, reducing wiring work.
Smart Lithium Battery Mgmt: Activates protected batteries; adjusts charging curve by power to optimize charging.
Battery-Free Operation: Works with PV or mains power.
Parallel Operation: Up to 9 units parallel; compatible with 3-phase/single-phase.
The optional WIFI module,support links SUNRAY Cloud for anytime/anywhere energy management & monitoring.
Smart Noise Control: Long-life fan (35-45dB); balances heat dissipation & quietness.
Bluetooth Direct Connect: Check device status via phone without network.
Standard broken-code LCD (current standard); optional 4.3-inch capacitive touch display.
Standard 2 independent PV inputs; each MPPT tracking efficiency >99.5%.
Dust proof net: replaceable, washable; humanized cleaning cycle reminder.
Battery communication: customizable protocol; supports RS485/CAN, lithium/lead-acid batteries.
Supports wireless upgrade (no network needed) for personalized customization.
Optimal operating temp: 25℃; max: 65℃ (derated above 45℃).
Utility/PV self-start: Auto-starts when utility/PV connected (no manual restart after low-voltage battery shutdown).
Smart fan control: reduces noise/air intake, extends dust proof net & device service life.
Recommended altitude ≤2000m (derated use at 2000m).
Max noise <45dB; <40dB at night.
MODEL | SGP4816KOTH2 | SGP4818KOTH2 |
Rated Output Power | 16kw | 18kw |
No-load power consumption in mains mode | <70W | |
Input Mode | Three phase | |
Input Voltage Range | 205-240/357-417(Vac) | |
Maximum AC Input Current | 30.3A | 34.6A |
Change-over Time | <20ms | |
Input Power Factor | >0.99 | |
>0.9 | ||
Dual Input | Independent input interface for mains and generator | |
BATTERY MODE | ||
Output Voltage | 230/400(Vac) | |
Battery Discharge Current | 300A | 330A |
Battery Charging Current | 300A | 330A |
Battery Input Range | 40-60(VDC) | |
Overvoltage Protection | 60VDC | |
Charging/discharging conversion | 96% | |
Overload | 110%-125%30S | |
Battery Type | Lead-acid batteries,lithium batteries,vented lead-acid battery,user customization | |
Dual-port Output | The second load can be set to start and stop mode. | |
Peak Coefficient Of Output Current | 1.3 | |
Parallel Current Sharing | Imbalance<2% | |
Off-grid Mode Feed Power | <30VA | |
MPPT INPUT | ||
MPPT Quantity | 1+1+1 | 1+1+1 |
Maximum PV Input Current | 18A+18A+18A | 18A+18A+18A |
Maximum PV Input Power | 24kw | 27kw |
MPPT Starting Voltage | 160VDC | |
PV Input Voltage Range | 150-1000(VDC) | |
PV Best Input Voltage | 600VDC(Open circuit voltage (Voc)800 V) | |
MPPT Tracking Efficiency | >99.5% | |
PV inverter European efficiency | >98% | |
PV Priority Supply | Priority charging | |
PROTECTIVE FUNCTION | ||
Input Overvoltage Protection | 520Vac | |
Input Overvoltage Protection | 505Vac | |
Input Under-voltage Protection | 280Vac | |
Input Under-voltage Protection | 295Vac | |
Output Short Circuit Protection | 5 power frequency cycles | |
Fan Fault Protection | Fan fault protection function.When any fan is faulty,the power module has no output. | |
COMMUNICATION FUNCTIONS | ||
PROJECT | REMARKS | |
Lithium Battery | One RS485,one CAN(optional) | |
WIFI/host Computer | Built in WiFi,Bluetooth module,RS232 | |
Parallel Operation | CAN,up to 6 units in parallel | |
Human-machine Interface | Touch 4.3-inch color screen | |
OTHER | ||
Battery-free Mode | Compatible with lithium battery activation and no battery use | |
IP Rating | IP66(SGP series) | |
Lithium Battery Communications | Standard protocol:PACE,PYLON | |
Noise | Maximum noise 45dB | |
Island Protection | Inclusion of isolated island protection | |
Safety Standard | IEC-62109 | |
WORK ENVIRONMENT | ||
Operating Temperature Range | -20~65℃(use above45℃ derated) | |
Relative Humidity | 5~95%(surface no condensation) | |
PHYSICAL | ||
Dimension,D*W*H(mm) | 715*478*265(mm) | |
weight (kg) | 47kg 48kg | |
