ECO Solar Boost MPPT-3000 3.5 kW PRO: Input voltage [VDC]: 120 to 350 (VDC) Output voltage [VAC]: 120 to 350 (VAC) Maximum power: 3.5 kW MPPT function: YES Connection of PV panels: Series or series parallel Voltage waveform at the output: Modified sine VAC output No. 1: Priority VAC output No. 2: Dependent * Under / over voltage protection: YES Thermal protection: YES Overload protection: YES Working temperature: -25 ° C ~ + 55 ° C Efficiency:> 96% Cooling: Active Power Connector: MC4 Connector 230V output socket: 2 x E (with pin) Housing: Aluminum Degree of protection (IP): IP21 Dimensions LxWxH [mm]: 320x272x96 Weight [kg]: 4.1 kg