Safety Technology International, Inc. MS4328BR Light Screen

STI MS4328BR is a 28-inch Minisafe light curtain receiver from Safety Technology International, designed to guard machinery by detecting interruptions in a safety beam and signaling the controller to stop. It ships with an attached part number MS4328BX Light Screen and carries manufacturer catalog number 142981 and part code 42672-0280, ensuring precise cross-reference within the STI MS4328 family. As part of STI's Minisafe line, the MS4328BR is intended to pair with a corresponding transmitter to form a safety light curtain used to protect operators around presses, conveyors, and other automated equipment in industrial settings. The 28-inch footprint supports mounting along guard frames or machine enclosures, and the unit’s listed weight is approximately 0.75 kg for planning installation hardware. This receiver is designed for straightforward integration within STI’s safety interlock ecosystem, providing reliable zone protection while helping facilities meet safeguarding requirements for hazardous machinery.