The AI-M-42MA-B is a 42mm × 42mm 2-phase stepper motor designed for closed-loop operation with a 1.8/0.9-degree step angle. It provides 10,000 PPR resolution, A, B, Z, A/, B/, & Z/ outputs, and a 4.08 Kgf.cm holding torque, featuring a built-in brake for secure control. Compatible with AiS-D-42MA-B & AiC-D-42MA-B drives.