1200537 - Safety Light Curtain, 3 Beams (M4000 Standard)The 1200537 is a highly reliable light curtain engineered to safeguard personnel and machinery in automated industrial environments. Delivering a generous 3 beams paired with 3 beams, this sensor is specifically designed for high accuracy protection. Featuring a 0. 5 m 70 m, configurable operating range and SIL 3 (IEC 61508) safety integrity level, it ensures critical safety compliance.