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These relays are useful for protection of 3-phase AC induction motors against various hazards. With their unique advantages they eliminate use of a thermalbimetal relay for motor protection. Being current sensing, they are to be selected according to motor rating and are available for practically all ranges o more...
MODEL - MPD-9611N Dimension (HxWxD) mm - 96x96x50 Panel Cutout (mm) - 92x92 User - Three Display : 7 segment, 3 digit 0.56" RED LED display, Features - * "True RMS * Bright seven segment LED display for better readability. * Auto decimal shifting for Current (resolution 0.01A or 1.0A) INPUT Current - 0 - 5 A more...
The first protective relays were electromagnetic devices, relying on coils operating on moving parts to provide detection of abnormal operating conditions such as over-current, over-voltage, reverse power flow, over- and under- frequency. Microprocessor-based digital protection relays now emulate the original more...