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Numerical 4 Elements Protection Relay

Numerical 4 Elements Protection Relay

Product Category :    Protection Relays

Supplier                :    Ashida Electronics Pvt Ltd.

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Product Profile of Numerical 4 Elements Protection Relay

Numerical 4 Elements Protection Relay is provided with in-built CB Trip Circuit Supervision function during pre closing and post closing of CB. The 4 Elements Protection Relay enables On-site CT Secondary selection of 1A or 5A. Numerical 4 Elements Protection Relay is manufactured by Ashida Eletronics Pvt. Ltd., an ISO 9001:2008 recognised company.

Ashida Eletronics Pvt. Ltd. Also manufactures a wide range of electrical power protection relays, auxiliary protection relay and SCADA systems. The Numerical 4 Elements Protection Relay provides Online display of CB status and other digital and logical status.

Salient features of the Numerical 4 Elements Protection Relay:

  • 4 Element [3 Phase + EF] Non Directional Over current IDMT/DMT.
  • Selection of Curve: Five selectable curve [Normal Inverse1, Normal Inverse, Very inverse, Extremely inverse, Long time inverse and Define Time
  • Instantaneous Over-Current Protection with adjustable timer.
  • Breaker Failure detection
  • In-built CB Trip Circuit Supervision function during pre closing and post closing of CB.
  • On site CT Secondary selection 1A or 5A.
  • Internal calculation of zero seq. Current for Earth fault
  • Wide range Power supply input 18V to 250V AC/DC
  • Cold Load Pickup
  • RS 485 communication port [at rear side] for remote SCADA.
  • IEC60870-5-103 Protocol for communication
  • 16 X2 LCD Backlit display for Parameter and setting display
  • Online display of CB status and other digital and logical status.
  • Continuous monitoring of module`s internal hardware and alarm generation in case of failure of any critical components.
  • 4 Digital Output contacts for local alarm as Trip
  • 2 dedicated status input for Trip Circuit Monitoring
  • 5 nos of Fault data stored with keypad interface and time stamping.
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