The Omron D40A-1C015-F Safety Door Switch provides compact non-contact protection with a 20% max direct opening travel (up to 2.5 mm) and a durable 50 MΩ max insulation resistance. Built for harsh environments, it withstands 10–55 Hz vibration, 300 m/s² shock resistance, and operates reliably from –10 to 55°C with 25–85% humidity. Its 0.15 m cable supports flexible mounting on doors and guards, making it suitable for higher-risk applications compliant with ISO 13849-1 when paired with compatible Safety Controllers. Manufactured by Omron and listed under Omron Safety Door Switch solutions, this model belongs to the D40A Series.