Industrial MS43-B2-AC1-W Controller

Industrial STI MS43-B2-AC1-W is a Minisafe/FlexSafe 4300B-2 light curtain controller that functions as the safety control module for STI’s MiniSafe light curtain systems. The MS43-B2-AC1-W designation appears in STI catalogs as the control box for the 4300B-2 family, with related part numbers including 70011-1000 and 70011-1001 across distributor listings. Industry retailers and catalogs identify this unit as a dedicated light curtain controller, including Santa Clara Systems (70011-1000), Industrial Lynx (MS43-B2-AC1 control box), Next Day Automation (used STI MiniSafe-B/FlexSafe 4300B-2 MS43-B2-AC1-W Light Curtain Controller), and Semiconductor Spares Store (70011-1000 Light Curtain Controller MiniSafe/FlexSafe 4300B-2 MS43-B2-AC1). As a safety controller, it coordinates inputs from compatible light curtains to support safe operation of automated equipment. It is associated with the MiniSafe/BFlexSafe 4300B-2 safety system and appears in multiple listings under the STI MS43-B2-AC1-W family, reinforcing its role as the control module for the 4300B-2 light curtain setup.