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1
I.L. 40-386.12
1. 2.
Standard Features for Reclosing Option
• Multi-Shot Reclosing with up to four reclosures.
• Reclosure dead Time:
• Selectable signal to initiate a reclosure:
52b only
RI only (internal from protection or external contact input)
52b or RI (internal from protection or external contact input)
52b and RI (internal from protection or external contact input)
• External reclose initiate input (EXT RI) to allow operation of reclosing function independent
• Drive to lockout (DR LOCK) input for manual trips and breaker failure or bus lockout relay
• Hold input (HOLD) to freeze reclose cycle at point input applied. Cycle resumes when input
• Manual close input (user selectable use of 52a input) for initiating close either directly or
• Two electrically separate close contacts (CLOSE-1, 2) for breaker closing
• Contact closure duration:
• Failed Reclose function
• Max cycle function
• Follow breaker function.
• Breaker operation and maintenance control:
• Reclosing event record:
• Statistic data for reclosures and LOCKOUTs.
• Test function for output contacts, LEDs and inputs.
• Real time clock to time stamp reclosing events and current time.
• Alarms for:
1-2
0.01- 250 seconds.
of protection function
input.
removed.
through optional Voltage/Synchronism check logic.
0.01 - 2 seconds.
Failed Reclose time:
Max cycle time:
Programmable maximum reclosures before alarm, reset duration and recovery time.
Reclosure number, result, time and synchronism information are recorded as target.
Two most recent reclosing sequences target data are available through front panel LCD
display. Sixteen recent targets are available with remote communication.
Relay Failure
Reclosure Failure
Reclosure LOCKOUT
Reclosing in progress
1 - 250 seconds.
1 - 990 seconds.
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