Numerical
Local Breaker Back-up Protection Relay :
ALBB3
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General Description :
The
ALBB3 is a 3 OC and 1 EF design as Local Breaker Back
up. This relay monitor feeder current and feeder relay
contact. If feeder relay fail to clear fault with
in pre define time then this relay provide trip command
to all connected incoming feeder and safeguard against
fault hazards.
Specifications :
4
Element (3 Phase + EF) current sensing
with internal timer..
