rotary operating mechanism, actuating lever black, for four-hole Front mounting, for Accessory for main and emergency switching-off switch 3LD23/24 for 160A-250A and for molded case switch 3LD5 UL for 100-150A. This product, model nan, with SKU 3LD92431B, is part of the Drives – motors – circuits protection range by Siemens. Designed for industrial automation and engineering use, it provides dependable performance and integration capabilities. Keywords: nan, 3LD92431B, Drives – motors – circuits protection, Siemens, Drives, motors, circuits protection.