FD 22R2-F2 - Metal Safety Interlock Switch with Mechanical time delay lockThe FD 22R2 F2 is a highly durable safety interlock switch designed to provide reliable access control for industrial machinery. Featuring a robust metal housing and a manual mechanical delay 20 seconds (standard short knob) lock style, this switch ensures that hazardous equipment remains secure during operation. It comes equipped with 1no+2nc safety contacts for dependable safety circuit integration and utilizes a standard m20x1. 5 conduit entry