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The percentage wear depends the number openings carried out the circuit-breaker and theabsolute current interrupted during
each them.
K51/p1.
A larm Led (red)
• Presence overload one more phases with current values >1.p4 Programmable electrical signals the PR120/K module installed and there auxiliary power supply. By
connecting PR030/B and PR010/T battery unit BT030 wireless communication unit, you can retrieve the information relating the last 20
trips recorded.9xI1< 1.05xI1(on the depends the selection made; for instance, 50% the values are halved).
About 1/2
Enter J
Protection Unit^ 1
Protection Unit Nr.
W arning Led (yellow 0..3 (timing protection "L")
(on the depends the selection made; for instance, 200% the values are doubled)*;
• Timing progress for protection function S;
• Timing progress for protection function G;
• Timing progress for the voltage (UV, OV, RV), frequency (OF, UF) protection functions;
• Timing progress for the reverse active power protection function (RP);
• Timing the case unbalance between the phases (protection above the value set the
configuration with protection trip set on;
• Contact wear 100%;
• Rating Plug disconnected;
• Trip Coil (TC) disconnected;
• Key plug error;
• Current sensors disconnected;
• Installation error.2 Electrical signals
K51/p1.3 I1. :
Device E1B800
RatedCurr.
Information remains available for hours with the relay de-energized.02
15Feb2004
L Protection
I1: 625A I3: 623A
I2: 617A >10.6.p8 Programmable electric signals the PR021/K unit installed and there auxiliary power supply.
In any case, functionality the relay way modified the presence the wear messages. 00000000000ABB SACE
Device PR122/P
Version LSIG
Normative IEC
Software P1.
Indication for protection tripped.
• Presence, between two three phases, unbalance above the value programmed for the "U"
protection, with protection trip disabled;
• Presence distorted wave form with form factor 2.
Access view the opening data via the Historicals submenu the Measurements menu.. The data relating the last trips are stored the unit's memory.
W arning Led (yellow 2Hz) Relay's internal temperature exceeding ALARM threshold.
The prealarm message (wear 80%, "warning" LED lighting up) indicates that the wear has reached highvalue.
71/158
.05 1.
Pressing the Test" key enables resetting the activated contacts.
Model 2234 Apparatus Scale
L 2778
Doc No- 2
Page No.
Last Trip N.tio enu
The Information Menu enables you view the data relating the protection unit and the type circuit-breaker.1;
• Contact wear greater than 80% (and less than 100%);
•WARNING Threshold exceeded;
• Circuit-breaker state error;
• Frequency out range;
• Configuration error;
• Settings inconsistency.
13. 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. Using the Test" key
makes the release show all these data directly the display.
* The IEC 60947-2 Standard defines the timing threshold for current: 1.5Hz) Relay's internal temperature exceeding WARNING threshold. There need for auxiliary power supply for this function..0 ^
Again the Measurements menu, you can view the percentage contact wear, which indication the electrical life the electrical contacts
in the circuit-breaker.
_ Value the currents interrupted phases (L1, L2, L3), neutral (Ne) and Ground (if has been tripped)..02
Circuit Breaker
Protection Unit ------------------------ ►
ESC
+ Enter J
Circuit Breake^ I
Nr. 630 A
Installation Jan 00, 2000
Maintenance Jan 00, 2000
1 tio the trip and data
The PR122/P unit saves all the information relating the type protection tripped, the opening data, the date and time.
1 efinition and sig the 122/P unit
1 tic ls
S lin rip tio n
W arning Led (fixed yellow
light)
• The prealarm threshold has been exceeded; one more phases with current values the range
0. The following example the information provided:
■*— Number openings due the protections. The alarm message (100%
wear, "alarm" LED lighting up) indicates that necessary check the state contact wear
