The C4000 Standard safety light curtain provides reliable and cost-effective access protection for hazardous points and hazardous areas. Cascading several systems offers users a high degree of flexibility for application solutions. Functions such as the restart interlock (RES) and external device monitoring (EDM) make for easy machine integration. Various mounting adapters and innovative accessories enable flexible mounting. The industry-tested 7-segment display saves time during alignment and diagnostics. The C4000 Standard, which supports protective field heights from 300 mm to 1,800 mm, offers reliable machine protection up to the highest protection level, PL e.