KA-series | 18kW 33kW
Hybrid Solar Inverter
3-Phase Output3/6 MPPTs

Main Feature
- Touch screen display, status is clear at a glance
- Adapt to various load conditions
- High power low battery voltage input
- Grid connected power generation function
- High power charging provides fast charging current
- Rich communication interfaces, RS232, RS485, dry contacts
- Multi channel photovoltaic PV input, complementary load of photovoltaic mains power
- Communicating with multiple lithium battery protocols for charge and discharge management
Product Details

Multiple PV Inputs with Grid Complementarity
Supports multiple PV inputs and smart PV–grid power complementarity to adapt to various load conditions.

Front-End Wiring for Easy Installation
User-friendly front wiring terminals designed for fast, simple, and tidy installation.

Touch Screen Display for Easy Operation
Intuitive touch interface for quick settings adjustment and real-time system status viewing.

High-Power Fast Charging
Delivers strong charging output even at low battery voltage, providing fast and efficient charging performance.

Multiple Communication Interfaces
Supports RS232, RS485, and dry contact communication, compatible with various lithium battery protocols for charge and discharge management.

Suitable for Multiple Application Scenarios
Ideal for household appliances, commercial offices, emergency backup systems, and communication base stations.
Technical Specifications
| Model | KA18048SS | KA33048SS |
|---|---|---|
| AC Input | ||
| Input Formation | L1+L2+L3+N+PE | |
| Rated input voltage | 3 x 380VAC/400VAC (3-Phase+N line) | |
| voltage range | 155-483VAC±3V(Normal Mode) 295-483VAC±3V(UPS Mode ) | |
| Frequency | 50Hz/60Hz(Adaptive) | |
| Inverter Output | ||
| Output rated power | 18000W | 33000W |
| Output Voltage | 380VAC±5% | |
| Output Frequency | 50/60Hz±0.1% | |
| Output Wave | Pure Sine Wave | |
| Transfer time (Adjustable) | 10ms for Computer Equipment , 20ms For Household Equipment | |
| Peak Power | 36000W | 66000W |
| Overload Ability | Battery Mode( 21s@105%~150% Load 11s@150%~200% Load 400ms@>200% Load ) | |
| Grid-connected Operation | ||
| Output Voltage | 380VAC | |
| Feed Into The Grid Voltage Range | 337-437VA | |
| Feed Into The Grid Frequency Range | 49-51±1HZ/59-61±1HZ | |
| Nominal Output Current | 3×26.9A | 3×47.8A |
| Power Factor Range | >0.99 | |
| Maximum Conversion Efficiency (DC/AC) | 0.98 | |
| Battery Charging | ||
| Rated Voltage | 48VDC | |
| Constant Voltage Charging Voltage(Adjustable) | 56.4VDC | |
| Floating Charging Voltage(Adjustable) | 54VDC | |
| PV Input & Charging | ||
| Charging Mode MAX PV Input Power | THREE ROUTES MPPT 3×7500W | SIX ROUTES MPPT 6×5500W |
| MPPT Tracking Range | 90~500VDC | |
| MAX PV Input Voltage | 500Vdc | |
| MAX PV Input current | 3×27A | 6×18A |
| MAX PV Charge Current | 360A | 450A |
| MAX AC Charge Current | 300A | 450A |
| MAX Charge Current | 360A | 450A |
| Communication | ||
| LCD | Can display operating mode/load/input/output | |
| RS232 | Baud Rate2400 | |
| Expansion Slot Communication Interface | Lithium Battery BMS Communication Card, WIFI , dry contact | |
| Environmental | ||
| Operating Temperature | -10~50°C | |
| Operating Environment Humidity | 20%~95%(Without Condensation) | |
| Storage Temperature | -15~60°C | |
| Ork Altitude | No more than 1000m,If 1000m<,Rate power will lower,Max 4000m,Refer | |
| Noise | ≤50db | |