EM Magnetic Particle Clutch OPC Types: 40, 80 [ EM: Electromagnet ] OPC Rated Torque [in-lbs / N-m] Voltage [DC-V] Current [A] Coil Resistance [Ω] (20°C) Wattage [W] Time Constant [ms] Drag Torque (reference) [in-lbs] Max Slip Wattage [W] Max Allowable Speed [rpm] Moment of Inertia (J) Input [kg-cm²] Output Shaft [mm] dH7 A1h8 A2 B Ch7 D E F G H Dimensions L [mm] M N P Q R S T U Y Weight [lbs / kg] 40A/80A: Forced cooling 40N 35 / 4 80N 71 / 8 0.93 26 22 49 0.71 70 1800 3.25 0.288 12 86 86 112 70 20 60 100 5.5 4xM4 97 32 5 10 6 15 25 21 8.8 4 5.3 / 2.4 1.37 17.6 33 62 1.4 90 1800 5.25 0.388 15 98 98 128 80 20 70 114 6.5 4xM4 112 36.5 6 14.5 6 15 27.5 24 13.3 6.5 6.8 / 3.1 40A 35 / 4 80A 71 / 8 0.65 37.2 15 49 0.71 120 1800 3.25 0.288 12 86 86 112 70 20 60 100 5.5 4xM4 97 32 5 10 6 15 25 21 8.8 4 5.3 / 2.4 0.77 31 19 62 1.4 160 1800 5.25 0.388 15 98 98 128 80 20 70 114 6.5 4xM4 112 36.5 6 14.5 6 15 27.5 24 13.3 6.5 6.8 / 3.1 24 [ 1" = 25.4mm ]