... Constant8.2-8.6(ms) and 1-1.3(kg).2.75SZD01-75SZD07: 0.1-0.75(KW), 0.32-0.96(mN.m), 1000 ... .4-1.7(Ω), Armature Inductance1.0-3.7(mH), Rotary Inertia146-292(Nms2),Time Constant9.0-11.0(ms) and 1.5-2(kg ... ).3.85SZD01-85SZD10: 0.15-0.55(KW), 0.80-2.63(mN ... -1048(Nms2),Time Constant10.1-12.9(ms) and 4-6(kg).4.105SZD01-105SZD12: 0.4-1.5(KW),3.8 ...