SMA Combi Switch

SMA Combi Switch SMA Combi Switch


Combination DC disconnect and PV array combiner box

SMA Combi-Switch is ETL Listed to UL 1741 for countries requiring certification. It conveniently combines a DC disconnect with PV string fusing in a compact, rugged NEMA 3R enclosure. These switches are ideal for applications where a remote DC disconnect is desired. The lockable, visible blade design provides clear switch status for increased safety. Each switch is equipped with four Touch Safe™ fuse holders that provide connections for up to four strings of PV modules. Field-proven and UL-recognized components help assure a safe, code-compliant and reliable installation.


  • ELT Listed to UL 1741 for countries that require certification


  • Greatly simplifies PV input wiring


  • Compact, rugged NEMA 3R/4 wall mount steel enclosure
  • Heavy-duty, lockable, visible blade disconnect switch


  • PV positive wires all land directly on Touch Safe™ fuse holders
  • 4-Circuit, fused input protection