LSIS10kW or 20kW Photovoltaic Inverter 3 Phase On-Grid Type

Please note

Requires installation by a qualified electrician with a Wire Man's license, who must supply a Certificate of Compliance after installation. Failure to provide the mentioned certificate of compliance and installation details may result in the voiding of your warranty.

About

The LSIS 3-Phase Photovoltaic Inverters are heavy-duty, high-capacity power solutions engineered specifically for commercial and large-scale solar generation plants. With rated power options scaling from 10kW all the way up to a massive 500kW, these on-grid inverters deliver exceptional reliability and peak efficiencies of up to 98.5%. Available in both transformer and transformer-less topologies, they feature robust protection systems, advanced thermal management, and comprehensive communication interfaces, making them the ultimate choice for maximizing yields and ensuring stability in large, demanding solar arrays.

Product Features

• Scalable Commercial Power: Built on a robust 3-phase, on-grid architecture with rated outputs spanning from 10kW to 500kW to suit large-scale generation needs.
• Topology Flexibility: Offers the flexibility to choose between Transformer-less (LSRP and select LSKP series) or Transformer (select LSKP series) models depending on your specific system and grid requirements.
• Ultra-High Efficiency: Maximizes solar energy harvesting with outstanding max efficiencies peaking between 98.0% and 98.5%, ensuring you get the most out of your solar arrays.
• Wide MPPT Tracking: Features high input voltage thresholds (up to 1100V max) and wide Maximum Power Point Tracking (MPPT) ranges to ensure optimal power generation even in fluctuating sunlight conditions.
• Rugged Reliability: Equipped with natural convection or active air cooling systems, and built to operate in harsh temperatures ranging from -25°C up to 55°C.
• Smart Grid Ready: Comes standard with integrated RS485, Ethernet, and USB communication options for seamless remote monitoring, diagnostics, and system management.

Product Specifications

• Phase: 3 Phase
• Operating Method: On-Grid Type
• Topology: Transformer & Transformer-less models available
• Rated Power Range: 10.0kW to 500kW
• Max Input (DC) Voltage: 1000V to 1100V
• Rated Output (AC) Voltage: 380V / 400V (Select models offer 290V/370V)
• Frequency: 50Hz / 60Hz
• Max. Efficiency: 98.0% – 98.5%
• Current Distortion: < 1.8% to < 3%
• Control Method: PWM
• Protection: Input/Grid under & over voltage, over-current, grid frequency fault, and system overheat
• Communication: RS485, Ethernet, USB, Temperature and Isolation sensor

10kW

• Output: 10kW AC (10kVA)
• Solar input: up to 12kW DC
• Efficiency: 98% max (97.4% Euro)
• 3 Phase grid: 400V AC, 50/60Hz
• MPPT range: 410-850V DC
• Max DC input: 1000V / 25A
• Transformerless, compact design
• Enclosure: IP65, natural convection cooling
• Comms: Ethernet, RS485
• Temperature: -25°C to +55°C
• Certs: CE, VDE 0126-1-1, VDE-AR-N 4105, G59/2

20kW

• Output: 20kW AC (20kVA)
• Solar input: up to 24kW DC
• Efficiency: 98.2% max (97.8% Euro)
• 3 Phase grid: 400V AC, 50/60Hz
• MPPT range: 490-850V DC
• Max DC input: 1000V / 41A
• Transformerless, compact design
• Enclosure: IP65, natural convection cooling
• Comms: Ethernet, RS485
• Temperature: -25°C to +55°C
• Certs: CE, VDE 0126-1-1, VDE-AR-N 4105, G59/2