Steca Inverters

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Steca Solarix PLI Inverter

These offer a powerful sinewave inverter/charger and  integrated MPPT charge controller in a single device.
Solar energy can be used as the top priority, for example. And if that isn’t enough, a generator can be started or the supply can be switched to the public grid. At the same time, the battery can also be recharged by either the generator or the grid. Given its very quick switchover time of up to 10 ms and its flexible energy priority selection, the Solarix PLI also acts as an uninterruptible power supply.

Even difficult consumers, such as large AC motors, can be started reliably with dual overload capacity. The maximum power point tracker in the integrated charge controller ensures that, even in adverse weather conditions, the maximum output is obtained from the PV modules in order to optimally charge the battery and supply the consumers with power at the same time.

Units can be connected in parallel or in three phases  using the appropriate parallel kit.

Product features

  • True sine wave voltage
  • High overload capacity
  • Integrated MPPT charge controller
  • Multistage charging technology
  • Monthly equalisation charge
  • Auxiliary contact for starting the generator
  • Adjustable cut-off voltages
  • Battery type: gel / liquid lead battery
  • Lightweight construction (7.6kg & 11.5kg)
  • Easy installation
  • Two year warranty

Electronic protection functions

  • Overcharge protection
  • Reverse polarity protection of modules, for battery via fuse
  • Deep discharge protection
  • Short circuit protection of load and module
  • Reverse polarity protection by internal fuse
  • Reverse current protection at night
  • Overtemperature and overload protection
  • Acoustic alarm
  • PE connection


  • Graphical LCD display
  • 3 multi-coloured LEDs show operating states
Steca Solarix PLI Inverter/Charger
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Product Code Description Retail Price
(ex VAT)
ST-SXPLI2400-24 Steca Solarix 2.4kW 24V inverter/charger c/w40A MPPT100V max £656.84
ST-SXPLI Steca Solarix 5kW 48V inverter/charger c/w 80A MPPT 145V max £871.23
ST-SXPLI-PAR/PLI2400 Steca Solarix PLI ext.cables/card for SXPLI 2400-24 £131.37
ST-SXPLI-PAR Steca Solarix PLI ext.cables/card for SXPLI 5000-48 £131.37

StecaGrid Coolcept Inverters

These single phase grid connect inverters are extraordinarily cool, efficient and durable. They achieve highest peak efficiencies and are, in addition, extremely lightweight and quiet.

Product features

  • Highest efficiency
  • Simple installation
  • Integrated data logger
  • Low housing temperature at full load
  • Integrated DC circuit breaker
  • Protective insulation according to protection class II
  • Very long service life
  • Droop Mode for integration in hybrid systems
  • Fixed voltage mode for other energy sources
  • Up to 7-year free warranty after registration
  • Optimised shadow management using global MPP tracking


  • Multifunction graphical LCD display with backlighting
  • Animated representation of yield


  • Simple menu-driven operation
  • Multilingual menu navigation
Steca Coolcept StecaGrid 1800-4200 Front
Steca Coolcept StecaGrid 1800-4200 Angle Steca Coolcept StecaGrid 1800-4200 Technical Drawing
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Product Code Description Retail Price
(ex VAT)
STG-3010 StecaGrid 3010 inverter 3.0kW £650.00