Golden Solar! Advance Power! Green Life!

MST1 Series Three Phase String Inverter
MST1 Series 5-30KW inverter with 2 MPPT channels, high efficiency, excellent thermal performance and famous components for long life purpose, RS485/ WiFi monitoring optional.
Key Features

High performance string inverters

● Famous power components

● Superior PV energy harvest

Excellent thermal performance

● Transformerless design with higher operation efficiency

High overload capability under most ambient conditions


Easy and affordable to install

● Lightweight and compact size

Wide MPPT voltage range allows more flexible module selections

Includes a lightweight portable bracket simplifying installation

Firm IP65 inverter enclosure allows outdoor application


Full data display and communications

LCD display energy data

● Bright LED indicators imply system status at a glance

● PC software for remote monitoring and system troubleshooting

Integrated RS232 serial communications. RS485, WiFi Optional

Cost advantages

● Transformerless and fanless design cutting down the cost

● Light weight and small dimension, reducing shipping cost

● Low maintenance expense and low power loss when breakdown

● DC switch optional





 Input (DC Side)
 Max. DC Input Power (W)550066009000112001330016500190002200033000
 Max. DC Voltage (Vdc)9001000
 Start voltage (Vdc)250
 MPPT Operating Range (Vdc)250~720250~800
 Number of  Parallel Inputs24610
 Number of  MPPT Trackers2
 Max.Input Power per MPPT35004000500060007000850095001100016500
 Max. Input Current (A)2*102*122*162*222*242*302*322*352*33
 Output (AC Side)
 Nominal Output Power (W)500060008000100001200015000170002000030000
 Max. Output Power (W)500060008000100001200015000170002000030000
 Nominal Output Current (A)7.3 8.7 11.6 15.2 17.4 22.7 25.8 30.3 44.5 
 Max. Output Current (A)7.9 9.5 12.7 16.0 19.4 25.0 28.3 33.3 48.0 
 Nominal AC Output Voltage (Vac)400
 AC Output voltage range (Vac)*360~440
 AC Grid frequency range (Hz)*50/60±5
 Power Factor (cosφ)Default 1 lagging, adjustable 0.9 (leading)~0.9 (lagging)
 THDI<3% (at nominal output power)
 Max. efficiency97.60%97.80%98.10%98.10%98.10%98.10%98.10%98.20%98.10%
 Euro. efficiency96.70%96.90%97.30%97.50%97.60%97.50%97.60%97.60%97.50%
 MPPT. efficiency99.60%99.60%99.60%99.60%99.60%99.60%99.60%99.60%99.60%
 Operating Temperature (℃)-25~+60
 Noise typical [dB (A)]≤25≤50≤65
 Operating Consumption (W)0
 Electrical IsolationTransformerless
 Cooling ConceptNaturl coolingFan cooling
 Protect LevelIP65
 CommunicationRS232 (RS485/WiFi optional)RS485/RS232 (WiFi optional)
 Dimension (W*D*H mm)470*165*560470*165*585470*165*670580*235*800
 Weight (kg)32355065