The 7SR224 Recloser Controller is one of a range of new
generation devices providing comprehensive directional and
non-directional overcurrent protection integrated with
associated protection elements and Autoreclose scheme
logic. It builds on the years of in-service experience gained
from the Argus family of products. The Controller provides
independent Phase Fault, Earth Fault and Sensitive Earth
Fault autoreclose sequences. Each sequence can be user set
to any mix of Instantaneous (fast time current characteristic
(TCC)) or Delayed TCC protection and independent Reclose
(Dead) times. The Controller also provides a separate
Autoreclose sequence for external protection.
Functions included are: –
Control, monitoring, instruments, Voltage – Sag & Swell,
together with integrated input and output logic, data
logging & fault report functions.
Controllers are housed in 4U high, size E10 or E12 cases.