SMA STRING-COMBINER - For safe collection of all strings in the PV field


The boxes can be installed quickly, safely and easily both indoors and outdoors thanks to their compact dimensions, while their robust enclosure guarantees durability and reliable safety in the PV field. The SMA String-Combiners with 24 and 32 string inlets are fitted with two cable outlets per pole as standard and cover – just like the Combiner with 16 string inlets – a sealing range of 17 to 38.5 millimeters. Cables with cross-sections of 70 to 400 mm² can be inserted.


  • Stable housing made of glass-fiber reinforced polyester
  • Indoor and outdoor installation possible thanks to IP54 degree of protection
  • Can be operated at ambient temperatures of -25 °C to 60 °C and at altitudes of up to 4,000 m above MSL

Easy to Use

  • Easy to install thanks to its compact structure and low weight
  • Integrated DC load-break switch for ultra-high safety


  • For PV array voltages of 1,000 V and 1,500 V
  • Collection and safeguarding of 16, 24 or 32 strings for flexibility during the system design phase