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NOVATEK-ELECTRO LTD
Research and Manufacturing Company
RNPP-311-1
THREE PHASE NUMERICAL VOLTAGE
MONITORING RELAY
WITH FREQUENCY
PROTECTION
OPERATION MANUAL
CONTROLS DESCRIPTION AND DIMENSIONS DIAGRAM
1- trip setting control for Umin/ Umax;
5- output voltage contacts;
2- green LED of the voltage output;
6- output frequency contacts;
3- green LEDs indicating voltage presence on each phase;
7- green LED of the frequency output.
4- input contacts;