57BYGH1.8 two-phase open-loop stepper motor

This is a 1.8° 二相開ループステッピングモーター from Shanghai Siheng Motor Manufacturing Co., 株式会社, offering 8 モデル (57BYGH241-1004 to 57BYGH2115-4004). Core specs: rated voltage 2.8-6.5V, rated current 1-4A, 保持トルク 0.6-3.2 kg・cm, weight 450-1750g, motor length 41-115mm. It features Class B insulation, constant current drive (24V), 2-phase excitation, 500V insulation voltage, and 100Ω insulation resistance, with supporting torque-speed curves and installation details.