2-pin spring terminal connector for electrical block with plug-in connection

This Harmony XB4, spring terminal connector with 2 pins uses spring terminals. It is compatible with Harmony XB4 and XB5. It is compatible with XB4 and XB5 standard 22mm control and signaling units. It is designed to fit with a standard 22mm control and signaling units, ensuring compatibility when installing in pre-existing machinery.