All-round flagship, successful business

System-Level Security

【安全】2
Advanced Circuit Protection
· Over-voltage/under-voltage protection
· Short-circuit and overload protection
· Reverse polarity prevention
【安全】3
Grid Interaction Safety
· Anti-islanding protection
· Frequency/voltage ride-through
· Smart grid compliance

Remote Monitoring, Real-Time Anomaly Alerts

Our smart operation and maintenance (O&M) system revolutionizes PV plant management through cutting-edge IoT technology and AI analytics, delivering 24/7 intelligent supervision.

【极简运维】2

Tested in Severe Conditions, Long-Lasting Stability

Adapt to various harsh industrial and commercial environments and climates, and operate stably for decades.Through thousands of rigorous tests such as lightning protection, hydrogen explosion protection, high and low temperature cycles, etc., it can operate perfectly and stably in cold environments such as plateau snow mountains, hot environments such as tropical deserts, and harsh environments with high humidity and high salt fog. Self-developed broadband MBUS chip, with strong anti-interference ability and more stable communication. THDi <1%, stable output even in weak power grids, and higher power generation quality.

  • 10x+
    Communication anti-interference*
  • 99.999%
    Availability*
  • 1400+
    Rigorous testing*
【环境严酷】1

Performance in Tropical & Desert Heat

Built for scorching deserts and tropics, delivers full power output even at 60℃ with intelligent liquid cooling. Defies sandstorms and scorching sun to ensure reliable power generation.

【环境严酷】2

Performance in Extreme Cold & High Altitude

Engineered for alpine and polar regions, operates reliably from -40℃ to 60℃ with smart thermal management. Defies blizzards and freezing rain to deliver uninterrupted power all year round.

 

【环境严酷】3

Performance in Sandstorm & Coastal Areas

Engineered for harsh coastal and desert areas, features IP66 rating with self-cleaning system. Withstands sandstorms, salt corrosion and humidity for long-term reliable operation.

Product Features

  • Layer_1
    IP66 protection
    Dustproof, waterproof, and salt spray resistant
  • Layer 2
    AC and DC lightning protection
    No fear of lightning strikes
  • Layer 2 (1)
    Flexible Communications
    Optional WLAN, Ethernet, 4G communication

Whole House Power BackUp

Electrical characteristics
Models  25K  33K  35K  40K
Input DC
Max input voltage 1000 V
Rated voltage 720 V
Start-up voltage 180 V
MPPT voltage range 180 – 1000 V
Max input current 40 A / 40 A / 40 A
Max short circuit current 63 A / 63 A / 63 A
MPPT number / Max input strings number  3 / 6
Output AC
Rated output power 25 kW  33 kW  35 kW  40 kW
Max apparent output power 25 kVA 33 kVA  35 kVA  40 kVA
Max output power 25 kW  33 kW  35 kW  40 kW
Rated grid voltage 3Ф/PE, 480 V
Rated grid frequency 60 Hz
Max output current 30.1 A  39.7 A  43.3 A  48.1 A
Power factor > 0.99 (0.8 leading – 0.8 lagging)
THDi < 3%
Efficiency
Max efficiency 0.987
CEC efficiency 0.982

 

Protection
DC reverse-polarity protection Yes
Short circuit protection Yes
Output over current protection Yes
Surge protection DC Type ll / AC Type ll
Grid monitoring Yes
Anti-islanding protection Yes
Temperature protection Yes
Strings monitoring Yes
l/V Curve scanning Yes
Multi peak scan Yes
Integrated AFCl Yes
Integrated PlD recovery Optional
Integrated DC switch Yes
Integrated AC switch Yes
General Data
Dimensions (W x H x D) 760x520x300 mm
Weight 45.7 kgs
Topology Transformerless
Self-consumption (night) <1W
Relative humidity 0-100%
Operating ambient temperature range -25°℃ to 60°C
Ingress protection TYPE 4X
Noise emission (typical) ≤55 dB(A)
Cooling concept Natural cooling
Max operation altitude 13,120 ft(4000 m)
Compliance UL1741SB,IEEE 1547-2018.UL1699B,UL1998.FCC Part15 ClassB.California Rule 2l,Heco Rule 14H,NEC 690.12-2020,CAN/CSA C22.2107.1-1
Features
DC connection MC4 connector
AC connection OT terminal (4 AWG to 3/0 AWG)
Display LCD
Communication Modbus RTU (Sunspec compliant),RS485, Optional: Cellular, Wi-Fi
裁切
SDT G4-HY
Document
Install
Download
Operations
Download
Installation Video
Installation Video