173-6870, Siemens, Siemens Adapter for use with 22 mm Installation of Actuators and Signaling Units, 3SU1960-0KB10-0AA0, Brand Siemens, Accessory Type Adapter, For Use With 22 mm Installation of Actuators and Signaling Units Siemens Adapter for use with 22 mm Installation of Actuators and Signaling Units, 3SU1960-0KB10-0AA0