... ,ISO certification approved 3,The inverter is much applicable for pump wate Power range0.25-2.2KW,220V; 0.4-400KW ... ,CE,ISO certification approved2,The inverter is much applicable for pump water3,Overload: 150%, 2 minutes; 180%, 10 seconds4,Continuous operation ... for analog output, current and voltage are optional. 50HZ/6050HZ pump water inverter, fan type inverter