Tag: Protection Relay

Earth Fault Relay

Protection Relays

efr-p9620-broyce-control
Definite Time Earth Fault Relay (Panel Mounting 96x96mm)
Brand: Broyce Control
Type: P-9620
Definite Time (DT) Earth Fault Relay.
  • True R.M.S. measurements
  • Adjustable Low-set tripping threshold
  • Adjustable High-set tripping threshold with option to disable
  • Adjustable Definite Time setting (applicable to Low-set triggering only)
  • Instantaneous tripping on High-set triggering
  • Test and Reset button for simulating and clearing of fault condition
  • Red LED indication of Low-set or High-set triggering and tripping
  • Green LED indication for Auxiliary power supply presence
  • Microprocessor based (self checking) with non-volatile memory
  • Terminals suitable for 2 x 2.5mm2 wires (complete with protective cover)
The P9620 (from the P9600 series family of IDMT/DT relays) is a microprocessor based relay designed to monitor and detect Earth faults in 3-phase applications. Typically the P9620 is wired in conjunction with external current transformers of the feeder to be protected.

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