REM545BG226AAAA REM545 24-60 vdc,50/60hz,100-120v(u,uo),MOTOR PROTECTION,brand new and original.

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MOTOR PROTECTION & CONTROL RELAY, 7(1/5A) CT+2(100-120V)VT, 25 DIG INP, 80VDC, 18 DIG OUT., 110/120/220/240VAC, 110/125/220VDC, GENERATOR LEVEL, 50/60HZ, FIXED DISPLAY
 

The REM 545 machine terminals are used as the main protection system of generator and generator-transformer units in small and medium-power diesel, hydroelectric and steam power plants.

The protection for large and/or important MV synchronous and asynchronous motors used, for example, in pumps, mills and crushers during start-up and normal run forms another application area.
 

The protection functions of REM 545 are designed for selective short-circuit and earth-fault protection of rotating machines.

Unlike most other power system components, rotating machines also need protection against abnormal operating conditions such as over-current, unbalanced load, over-temperature, over-voltage, over and under-excitation, under-impedance, over- and under-frequency and generator motoring.

For motor protection start-up supervision, there are also stall protection and cumulative start-up counter features.

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