sqm45...西门子伺服电机 sqm4...西门子电动执行机构 sqm40.265a20，sqm40.267a20，sqm41.241a21，sqm45.291a9，sqm45.295a9 sqm48.497a9，sqm48.697a9，sqm40.255a21，sqm40.265a20 sqm33...电动执行器sqm33.511a9，sqm33.711a9 sqm1.../sqm2...电动执行机构－大中型燃烧器风门执行机构 sqm1... 转矩10nm 行程时间14…100s sqm2... 转矩20nm 行程时间29…66s sqm1...西门子伺服电机 sqm10.16502，sqm11.16502，sqm20.18502，sqm21.18502，sqm10.15562 sqm11.15502， sqm2...伺服马达sqm20.18502，sqm21.18502，sqm20.16502 sqm5...电动执行机构 双向旋转；大转矩可达40nm；具有齿轮离合功能；运行时间10s-90s；内部及外部位置指示 单轴或双轴输出，且有多种规格驱动轴可选 sqm5...大型执行机构 sqm50.381a2，sqm50.481a2，sqm53.482a2z3，sqm50.424a2h3b sqm50.464r2g3r,sqm54.482a2z3，sqm50.424a1z7r，sqm56.680r1z3 sqm56.664r1z3 sqm45...电动执行器