Banner Engineering SI-LS42WSG Safety Interlock Switch

The SI-LS42WSG is Banner Engineering’s locking‑style safety interlock switch designed to secure guards and gates on industrial equipment. This IP67‑rated interlock body uses spring locking and a solenoid powered by 110/230 V AC, providing dual circuits each with 1 NC/1 NO contacts, so the machine control can reliably detect guard status and enforce safe operation. Measuring 170 × 43 × 46 mm with a durable plastic housing, it belongs to the SI‑LS42 series, which pairs with guard actuators to monitor guard position and keep hazards isolated until all safety conditions are met. The rotating head can be adjusted with minimal tooling to four positions, simplifying mounting in constrained layouts while preserving a positive opening safety function. Built to withstand dust and water exposure in demanding environments, the SI-LS42WSG helps minimize nuisance trips in vibration‑rich or contaminated settings and is designed for use in applications such as presses, molding machines, conveyors, and packaging lines where guarding must remain locked during hazardous motion and a clear, monitored lock/open signal is essential for safe machine control.