Superior Electric M111-FD12 Slo-Syn Stepping Motor

The Superior Electric M111-FD12 SLO-SYN DC stepping motor delivers 1.8° steps (200 steps per revolution) for precise, repeatable positioning in automation systems. It is rated for 2.26 V DC and 6.1 A per winding, with a coil resistance of 0.37 Ω and per‑phase inductance around 2.3 mH, and it supports both unipolar and bipolar drive configurations (6/8 lead connections). The motor exists in two envelope sizes, 110 mm (NEMA 42) and 165 mm (NEMA 66), allowing selection for mounting footprint and torque needs. Retail listings describe it as a single-stack device with six- or eight-lead connections, reflecting its SLO-SYN DC series construction. Some sources note that this model has been discontinued by the manufacturer, which can affect current availability.