Phoenix Contact 1620158 The M23 Coupler connector features a series designation of CA and has a straight design with shielding for standard and SPEEDCON interlock applications. It boasts 12 positions, operates on a standard rotation direction, utilizes socket contact connections, and employs crimp connections for secure attachments. The cable diameter range spans from 3 mm to 14.5 mm. Notably, this component is undergoing a transition to lead-free alternatives in compliance with RoHS II regulations, but users can request a 6c variant with less than 0.1% lead content in advance.