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The percentage wear depends the number openings carried out the circuit-breaker and theabsolute current interrupted during
each them.05 1.5Hz) •Relay's internal temperature exceeding WARNING threshold.02
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June 12, 2007 8:52:11:733
I1' 625A -,
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Number openings due the protections.
The prealarm message (wear 80%, "warning" LED lighting up) indicates that the wear has reached high value.
12. Using the Test" key
makes the release show all these data directly the display.
Model 3447
Apparatus Emax DC
Scale
D oc-N 1SDH000635R0002
Page No.1 Information the trip and opening data
Last Trip N.2 Electrical signals
K51/p1.p4 Programmable electrical signals the PR120/K module installed and there auxiliary power supply.
Warning Led (yellow 2Hz) •Relay's internal temperature exceeding ALARM threshold.. There need for auxiliary power supply for this function.3 I1.5.Thealarm message (100%
wear, "alarm" LED lighting up) indicates that necessary check the state contact wear.
Alarm Led (red)
• Presence current values >1.
Information remains available for hours with the relay de-energized. The following example the information provided:
12. The data relating the last trips are stored the unit's memory.9x^< 1. By
connecting PR030/B and PR010/T battery unit BT030 wireless communication unit, you can retrieve the information relating the last 20
trips recorded..
12.1 Optical signals
Signaling Description
Warning Led (fixed yellow
light)
•The prealarm threshold has been exceeded; current values the range 0. 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.
In any case, functionality the relay way modified the presence the wear messages.
* The IEC 60947-2 Standard defines the timing threshold for current: 1.The PR122/DC unit saves all the information relating the type protection tripped, the opening data, the date and time..
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.
Warning Led (yellow 0.
-Indication for protection tripped.6.05xI1;
•Contact wear greater than 80% (and less than 100%);
•WARNING Threshold exceeded;
•Circuit-breaker state error;
•Configuration error;
•Settings inconsistency.
K51/p1.7.3 (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.
Pressing the Test" key enables resetting the activated contacts.6 efinition 122/D unit
12.6.
45/108
.p8 Programmable electric signals the PR021/K unit installed and there auxiliary power supply.
Access view the opening data via the Historicals submenu the Measurements menu.
