Phoenix Contact 1606387 The M23 rear panel feed-through is a series type connector featuring a straight design and comes shielded. It has a screw locking mechanism, 12 positions, and standard rotation direction. The contact connection type is socket with crimp connection and axial O-ring for central fixing. The cable diameter range is from 2 mm to 14.5 mm and the product adheres to RoHS II regulations without exemption, identified by item no. 1242122.