1201170 - Safety Light Curtain, 2 Beams (M4000 Standard A/P)The 1201170 is a highly reliable light curtain engineered to safeguard personnel and machinery in automated industrial environments. Delivering a generous 2 beams paired with 2 beams, this sensor is specifically designed for high accuracy protection. Featuring a 0. 5 m 4. 5 m operating range and SIL 3 (IEC 61508) safety integrity level, it ensures critical safety compliance.