• Teknika Electronics

Over Current Relays

Teknika offers Over Current Relays, TE 530. These series of relays are ideal for sensing over current faults in any or all phases for protection of AC machines, transformers, generators, etc. The relay monitors the current passing in any feeder secondary. The resultant current is digitally compared to the settable reference. Each phase have their independent setting. Timer starts on trip condition and are common for all three phases where a changeover occurs. Time must be set according to the system requirements. Two sets of changeover contact are available. Specification: 3-element over current relay - TE 530; 3-element 2 OC/1 EF - TE 531; earth fault - 0.2 -2 A; and over current -0.5 - 5 A. Sizes are 70 x 60 x 110 mm.