Safety light curtains of Contrinex YCA 50-series are 24 Vdc, active optoelectronic devices available with 300 or 400 mm beam gap, configurable 1–15 m and 10–50 m operating distances, and 832–1,232 mm protective heights. Also available, 1,060–1,874 mm long, impact-resistant light curtain mirror columns of YXC-series deflect light curtains or access control barriers to provide multi-sided safeguarding of danger zones. Class 2 laser alignment tool with 50 m range is also available.