Description: Wire-formed grid resistors, type 55 are manufactured from stainless steel (AISI 304) having temperature co-efficient of 0.094% per °C, wire formed grids making them rustless, unbreakable and light in weight. There is provision at each grid to have a tapping, so that resistance value between steps could be altered. These grids are generally used for rotor current of maximum 54 A for 10 minutes and 42 A for continuous duty. As for rotor currents that are higher than these values, two or three grids will have to be used in parallel, thus making the resistor assembly costlier. These resistors are designed and manufactured to meet different classes of service in various industries such as screw feeders, conveyors, elevators, oven machines, EOT cranes, flour mills, rope haulages, winches as well as rubber mixing mills, for developing starting torque or for speed control.
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