Directional/Non-Directional Overcurrent Relay Manufacturer,Supplier and Exporter in India

• The relay is housed in a robust enclosure with carrying handle. 
• The module mounts on the desk area of the Protection and Relay Test Set, and connects to it using a multi-core cable and safety leads. 
• The lecturer or student sets up different fault circuits on the Protection and Relay Test Set. 
• They then use the keypad and display on the relay module to program it to the settings needed for the tests. 
• They can also use the Micom S1 software and a suitable computer to program the relay module. 
• The relay module is then connected to the fault circuits so tests can be performed. 
• Most tests are performed using single relays. 

The main functions of the Directional/Non-Directional Overcurrent Relay include:

• Three independent stages of directional/non-directional phase overcurrent. 
• The first stage may be set to any of 12 IDMT curves, the remaining two having a direct time characteristic.
• Thermal overload protection.
• Undercurrent.
• Undervoltage.
• Overvoltage.
• Negative phase sequence overcurrent.
• Directional/non-directional earth fault.
• Selectable blocking.
• Creating fault and disturbance records.

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