• Maximum power point tracking (MPPT) with fast response speed and stable operation efficiency> 99%
• Suits for most 3 phase AC pumps and AC PMSM high efficiency pumps
• Compatible with AC grid and DC power supply input at same time
• Built in automatic sleep-wake up function
• Dry run (under load) protection
• Motor maximum current protection
• Low input power protection 
• Lowest stop frequency protection
• The PQ (power/flow) performance curve enables calculating the flow output from the pump
• Digital control for fully automatic operation, data storage and protective functions
• Low water probe sensor, and water level control function 
• Strong lightning protection
• Ambient temperature for using: -10 to +50˚C
• Clock relay card for timing stop and stop control 
• LCD keypad as optional
• Input VOC auto-detect function

Technical specifications

• Model: SA500-4T-2P2G
• Inverter Capacity: 2.2kW
• Input Voltage: 350 – 900V DC or 380V AC
• Output Voltage: 0 - 380V AC
• Output Frequency: 0 – 400Hz
• Output current: 5.1A
• Number of Pump Phases: 3 Phases
• Protection Function: Phase loss protection, phase short circuit protection, ground circuit protection, input and output short circuit protection.
• Protection Rating: IP20
• Cooling Method: Air Cooled
• MPPT Efficiency: 99.6%
• Size: 225*155*170mm
• Weight: 1.5Kg