Type 21/40 Power 30W Weight: 100g Rotation 285 ±10 deg Shaft (standard) 6mmØ Required torque 150 - 500 pcm Contact (stand.) silver Type 22/40 Power 30W Weight: 100g Rotation 285 ±10 deg Shaft (standard) 6mmØ Mounting 10 X 1 MG Required torque 150 - 500 pcm Contact (stand.) copper-graphite Type 22/50 Power 50W Weight: 120g Rotation 285 ±10 deg Shaft (standard) 6mmØ Mounting 10 X 1 MG Required torque 250 - 1000 pcm Contact (stand.) copper-graphite Type 22/80 Power 100W Weight: 300g Rotation 285 ±10 deg Shaft (standard) 6mmØ Mounting 10 X 1 MG Required torque 300 - 2000 pcm Contact (stand.) copper-graphite Type 22/120 Power 200W Weight: 700g Rotation 285 ±1