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7RW8020-1EB90-1DC0 L0A
Manufacturer: SIEMENS
Price: On Request
Voltage and frequency relay Enclosure 1/6 19", 3 x V, 7 BI, 8 BO, (2 change-over contacts), 1 live contact . Auxiliary voltage: 24/48 V DC Installation encl., Screw terminals Region world, IEC/ANSI Language English (language can be changed) Front foil standard System interface port B (underside of device, rear) PROFIBUS DP slave, electr.RS485 without system interface, Port A Measurement: with fault recording and min./max. values of voltages Functionality: Voltage,frequency protection and synchro check Overvoltage/Undervoltage (27/59), Underfrequency/Overfrequency (81U/O), Synchro check (25), Rotating field direction (47), Trip circuit supervision (74TC), Lock out (86), Parameter set switchover, Monitoring functions, Control of circuit breaker, Flexible protection functions (Parameters from voltage) Frequency change protection, Voltage change protection .