The 1556621 is a 4-position, A-coded M12 panel feed-through socket designed for sensor and actuator connections. It features a rated voltage of 250V, a rated current of 4A, and provides an IP67 degree of protection when mounted, making it suitable for industrial environments. This component is designed for rear/screw mounting using a Pg9 thread and comes pre-assembled with a 0.5-meter TPE litz wire for immediate use. The integrated SPEEDCON fast locking system reduces cabling time, ensuring efficient and secure connections for signal, data, and power transmission.