STECA Solarix MPPT 3020 Solar Charge Controller 12/24V 30A

STECA Solarix MPPT 3020 Solar Charge Controller – 12/24V 30A

The STECA Solarix MPPT 3020 is a highly efficient mid-range MPPT (Maximum Power Point Tracking) solar charge controller for 12V and 24V battery systems. With a maximum PV open circuit voltage of 100V and a 30A battery charging current, it is ideal for systems with two or more solar modules where the module voltage is higher than the battery voltage. Efficiency is up to 30% higher than with a PWM charge controller.

The efficient MPP tracking algorithm from Steca always provides the maximum usable power of the module, significantly increasing energy yield especially in poor weather conditions such as cloud cover, winter, and diffused light. Compatible with LiFePO4 lithium batteries and featuring an RS-232 interface for direct notebook connection.

Key Specifications

• Max. PV open circuit voltage: 100V
• System voltage: 12V / 24V (automatic detection)
• Max. battery charging current: 30A
• Max. load output current: 20A

Product Features

• Maximum Power Point Tracker (MPP tracker)
• Voltage and current regulation
• Multistage charging technology (also suitable for lithium batteries)
• Automatic load reconnection
• Temperature compensation
• Positive earthing of one or negative earthing of several terminals possible
• Monthly equalisation charge
• Fast MPP tracking with high efficiency
• Wide input voltage range (17V–100V)
• Built-in display
• Step-by-step configuration of charging current in 5-ampere steps
• Compatible with LiFePO4 lithium batteries
• Open UART protocol / serial interface RS-232 for notebook connection
• 5-year warranty

Electronic Protection Functions

• Overcharge protection
• Deep discharge protection
• Reverse polarity protection of module, load and battery
• Reverse polarity protection by internal fuse
• Automatic electronic fuse
• Short circuit protection
• Overvoltage protection at module input
• Open circuit protection without battery
• Overtemperature and overload protection
• Load disconnection on battery overvoltage

Displays

• Multifunction graphical LC display with backlighting

Operation

• Simple menu-driven operation

Interfaces

• Open Steca RS-232 interface