The TommaTech S 60A 12/24/48V MPPT Charge Controller is designed as the charging centre of a medium-capacity standalone solar-energy system. Intelligent maximum power point tracking allows the connected PV array to operate around its optimum power point, while the built-in DSP controller manages charging for the selected battery architecture.
The controller supports 12 V, 24 V and 48 V nominal battery systems with automatic battery-voltage detection. Its published maximum PV-array power is 800 W at 12 V, 1600 W at 24 V and 3200 W at 48 V, following the corresponding order in the official table. A 60-115 V MPPT operating range and 145 V maximum PV-array open-circuit voltage support higher-voltage PV string design than the selected PWM model.
Three-stage Bulk, Absorption and Floating charging supports sealed lead-acid, AGM and gel batteries. A battery temperature sensor provides temperature compensation, while the multifunction LCD displays solar power, load level, battery voltage and capacity, charging current and fault conditions. The unit also provides solar, charging and load-status LEDs.
With up to 60 A charging current, maximum efficiency of 98% and protection functions for overload, overcharge and reverse polarity, SCC-MPPT 3KW is suitable for professionally designed off-grid and remote-power systems where solar-energy harvesting and clear operating information are priorities.
Key Features
- Intelligent Maximum Power Point Tracking technology
- Built-in high-performance DSP controller
- 12 V, 24 V and 48 V automatic battery-voltage detection
- 60 A maximum charging current
- Maximum efficiency up to 98%
- 60-115 V MPPT operating range
- 145 V maximum PV-array open-circuit voltage
- Three-stage Bulk, Absorption and Floating charging
- Battery temperature sensor for automatic temperature compensation
- Multifunction LCD and three status LEDs
- Automatic load detection
- Overload, overcharge and polarity-reversal protection
- Support for sealed lead-acid, AGM and gel batteries
Recommended Applications
- Off-grid homes and cabins
- Remote telecommunications and monitoring sites
- Battery-backed security systems
- Small commercial standalone solar systems
- Agricultural monitoring and auxiliary-power systems
- Marine and mobile auxiliary-energy systems
- Remote workshops and service buildings
- Systems combining PV modules, a battery bank and a separate inverter
Selection Guidance
- Use the 800 W PV limit with a 12 V battery system, 1600 W with 24 V and 3200 W with 48 V.
- Design the operating PV string to remain within the 60-115 V MPPT range.
- Confirm that the maximum cold-condition PV open-circuit voltage remains below 145 V.
- Keep the required charging current within the 60 A maximum and the input-section current within the published 50 A value.
- Use only a supported battery type and confirm its required charging voltages before commissioning.
- For higher system power, 48 V operation reduces DC current for a given power level and enables the full published 3200 W PV-array capacity.
- IP31 is not an outdoor weatherproof rating; install the controller in a clean, dry and suitably protected location with the required clearances.
Product Advantages
- The same controller platform supports three common off-grid battery voltages.
- PV capacity scales from 800 W to 3200 W as the battery-system voltage increases.
- MPPT operation can improve the use of available solar energy compared with a conventional controller; CW Enerji states an approximate 25-30% improvement for the tracking technology, while actual gain depends on the array, battery, temperature and operating conditions.
- A high-voltage PV input window can reduce PV-side current compared with a low-voltage array of the same power.
- LCD and LED indications make system status and fault review more practical.
- Battery temperature compensation supports more controlled lead-acid charging across changing battery temperatures.
Important System-Design Notes
- The 145 V figure is an absolute maximum PV open-circuit-voltage limit, not the target operating voltage.
- The PV string must satisfy the 60-115 V MPPT window under expected operating temperatures while remaining below the maximum open-circuit-voltage limit in the coldest design condition.
- The maximum PV-power values correspond to the 12 V, 24 V and 48 V battery systems in the same published order.
- The battery bank, DC isolation, overcurrent protection, conductor sizes and separate inverter must be engineered as one system.
- Confirm the selected lead-acid battery's charging profile and temperature-sensor placement before commissioning.
