The OMRON D4NL-2FFG-B is a robust solenoid locking interlock switch designed for enhanced safety in industrial automation applications, particularly within the automotive industry. This oil-resistant model features a roller plunger actuator and a durable metal housing, ensuring reliable performance in demanding environments. With a power-to-lock mechanism, it offers a strong key holding force of 1300N, making it ideal for safeguarding machinery and personnel. The D4NL series is renowned for its compact design and multi-contact configurations, providing versatility and efficiency in safety door applications.