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Multiple Disc Clutches provide a smooth efficient, switchable link between a motor and a load on in-line or parallel shafts. While the field (electromagnet) assembly is prevented from rotating by an anti-rotation tab or flange, the rotor is securely mounted on the drive shaft. The armature assembly is then mounted either directly on an opposing in-line shaft, or indirectly on a parallel shaft by means of gears or pulleys. When the coil is energized, the armature engages the friction surface of the rotor, further engaging the multiple discs within the assembly until full torque is achieved, thereby coupling the two in-line or parallel shafts, thus driving the load. A brake operates similarly by eliminating the rotor.