ADR245B – Multifunction Communicable Feeder

  • Basic Version of feeder protection relay
  • Enhanced Version of feeder protection relay
  • Modular Version Of Feeder Protection Relay

Specifications

  • 4 Element (3 Phase + EF + Sensitive EF) Directional Over current IDMT/DMT with instant trip.
  • Selection of Curve: Five selectable curve (Normal Inverse 1 Normal Inverse 2, Very Inverse Extremely Inverse Long Time.
  • Inverse and Define Time.
  • 2 Setting Groups.
  • 4 stages of Phase Directional / Non Directional Over Current element. (Ip1>, Ip2>, Ip>> and Ip>>>). (50,51,67).
  • 100 nos of event memory, 10 nos of Fault data stored with keypad interface and time stamping.
Model Functional Details Cabinet Style
ADR245B (Basic Version) Directional Feeder Protection Relay CSE
ADR245B (Enhanced Version) Directional Feeder Protection Relay CSD
ADR245B (Modular Version) Directional Feeder Protection Relay CSK


ANSI Code Description
27 Under Voltage Protection
32P Directional Power Protection
46 Negative sequence Protection
46BC Broken Conductor Detection
47 Negative Phase Sequence Over Voltage Protection
50 Instantaneous/Definite time phase over current Protection
51 Inverse Time Phase Over current Protection
50N Instantaneous/Definite Time Ground Over current Protection
51N Inverse Time Ground Over current Protection
59 Over Voltage Protection
59N Residual Over Voltage Protection
64G High Impedance Restricted Earth Fault Protection
67P Directional Phase Over current Protection
67N Directional Ground Over current Protection
50BF Breaker Failure
VTS VT Supervision Detection
CTS CT Supervision Detection
79 Auto reclosing
86 Lockout (Trip command)