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6..Thealarm message (100%
wear, "alarm" LED lighting up) indicates that necessary check the state contact wear.05xI1;
•Contact wear greater than 80% (and less than 100%);
•WARNING Threshold exceeded;
•Circuit-breaker state error;
•Configuration error;
•Settings inconsistency..
In any case, functionality the relay way modified the presence the wear messages.9x^< 1.
12.
Information remains available for hours with the relay de-energized.7.
45/108
. The data relating the last trips are stored the unit's memory.
Alarm Led (red)
• Presence current values >1.
K51/p1.6.
12.
Warning Led (yellow 0.
The percentage wear depends the number openings carried out the circuit-breaker and theabsolute current interrupted during
each them. With auxiliary
power supply, the information shown immediately the display without the need press the Test" key and remains displayed indefinitely
until you press the key.2 Electrical signals
K51/p1.6 efinition 122/D unit
12..
Warning Led (yellow 2Hz) •Relay's internal temperature exceeding ALARM threshold.The PR122/DC unit saves all the information relating the type protection tripped, the opening data, the date and time.
The prealarm message (wear 80%, "warning" LED lighting up) indicates that the wear has reached high value.p8 Programmable electric signals the PR021/K unit installed and there auxiliary power supply.1 Information the trip and opening data
Last Trip N.
Model 3447
Apparatus Emax DC
Scale
D oc-N 1SDH000635R0002
Page No.p4 Programmable electrical signals the PR120/K module installed and there auxiliary power supply.3 (timing protection “L”)*;
• Timing progress for protection function S;
• Contact wear 100%;
• Rating Plug disconnected;
• Trip Coil (TC) disconnected;
• Key plug error;
• CB/release inconsistency
• Installation error. By
connecting PR030/B and PR010/T battery unit BT030 wireless communication unit, you can retrieve the information relating the last 20
trips recorded.5. The following example the information provided:
12.5Hz) •Relay's internal temperature exceeding WARNING threshold.
Value the current
Again the Measurements menu, you can view the percentage contact wear, which indication the electrical life the electrical contacts
in the circuit-breaker.1 Optical signals
Signaling Description
Warning Led (fixed yellow
light)
•The prealarm threshold has been exceeded; current values the range 0.
-Indication for protection tripped.
Pressing the Test" key enables resetting the activated contacts. There need for auxiliary power supply for this function.3 I1..
* The IEC 60947-2 Standard defines the timing threshold for current: 1.05 1.02
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June 12, 2007 8:52:11:733
I1' 625A -,
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Number openings due the protections. Using the Test" key
makes the release show all these data directly the display.
Access view the opening data via the Historicals submenu the Measurements menu
