Features : Programmable 1A/5A rated CT input. Three phase over current and earth fault protection Draw out with self-CT shorting. Three phase instantaneous over current protection. Earth....
Three phase over current and earth fault protection
Draw out with self-CT shorting.
Three phase instantaneous over current protection.
Earth overcurrent instantaneous Â
Negative phase sequence protection
Protection against broken conductor
Trip circuit supervision
Harmonic restraint
Circuit breaker failure detection
Programmable Auto enclosure
Fault recording
Event recording
Programmable matrix for -DO (Digital Out Put) and DI (Digital Input)
Relay latching /Non latching (pulsed) -option.
Protection blocking
Communication - local (USB) and Remote(RS-485)
Specification
Prok Devices Pvt ltd Make Numerical overcurrent and earth fault relay offers a compact multifunctional protection relay for   Feeder, Motor and Transformers. It is a non-directional relay with IDMT (Inverse Definite Minimum Time), Definite time(DMT) and Instantaneous Trip time characteristics in single unit.
Relay has been designed for protecting, controlling and monitoring distribution networks and substations. They can be used as a part of protection scheme for feeder, transformers and generators.
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Rajajinagar, Bangalore, Karnataka 
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