The OMRON D4SL-N3HFA-DN is a robust solenoid interlock switch designed for industrial safety applications. Part of the D4SL series, this switch features a key/tongue mechanism with a 3NC + 2NC contact configuration, providing reliable safety interlocking with a holding force of 1300N. It is rated IP67 for dust and water resistance, making it suitable for harsh environments. The unit includes a standard metal release key and an orange LED indicator for operational status, operating at 24Vdc. Ideal for safeguarding machinery, this switch ensures compliance with safety standards while maintaining operational efficiency.