7UT51 v3
Binary-Signal Inputs, Signal Contacts, Trip Contacts, and LED Indicators
13
PRIM-2330C 133
1553
1554
1555
1561
1562
1563
1565
1566
1567
1571
1576
>49 O/L1 BLK
>49 O/L1 EVNT
>49 O/L1 BLK
49 O/L1 OFF
49 O/L1 BLOCK
49 O/L1 ACTIV
49 O/L1 Warn1
49 O/L1 Warn q
49 O/L1 PU q
49 O/L1 TRIP
49 O/L1 ErrS3
49
-
Block thermal O/L protection 1
49
-
Event only from thermal O/L prot. 1
49
-
Block trip of thermal O/L prot. 1
49
-
Thermal O/L protection 1 is switched OFF
49
-
Thermal O/L protection 1 is BLOCKED
49
-
Thermal O/L protection 1 is ACTIVE
49
-
Thermal O/L protection 1: Current Warning
49
-
Thermal O/L protection 1: Thermal Warning
49
-
Thermal O/L protection 1: Pick
-
up
49
-
Trip by thermal O/L protection 1
49
-
Thermal O/L protection 1 error: No Side 3
1603
1604
1605
1611
1612
1613
1615
1616
1617
1621
1626
>49 O/L2 BLK
>49 O/L2 EVNT
>49 O/L2 BLK
49 O/L2 OFF
49 O/L2 BLOCK
49 O/L2 ACTIV
49 O/L2 Warn1
49 O/L2 Warn q
49 O/L2 PU q
49 O/L2 TRIP
49 O/L2ErrS3
49
-
Block thermal O/L protection 2
49
-
Event only from thermal O/L prot. 2
49
-
Block trip of thermal O/L prot. 2
49
-
Thermal O/L protection 2 is switched OFF
49
-
Thermal O/L protection 2 is BLOCKED
49
-
Thermal O/L protection 2 is ACTIVE
49
-
Thermal O/L protection 2: Current Warning
49
-
Thermal O/L protection 2: Thermal Warning
49
-
Thermal O/L protection 2: Pick
-
up
49
-
Trip by thermal O/L protection 2
49
-
Thermal O/L protection 2 error: No side
2303
2304
2306
2307
2401
2402
2403
2411
2412
2413
2414
2421
2422
2441
2442
2451
2457
>BU BLOCK
>BU BLK Trip
>BU50HS BLK
>BU50/51 BLK
BU OFF
BU BLOCK
BU ACTIVE
Back Gen. Flt
BU Flt PhA
BU Flt PhB
BU Flt PhC
BU 50HS
BU 50/51
BU Tdly 50HS
BU Tdly 50/51
BU Gen. Trip
BU Error W3
Block backup O/C time protection
Block trip signal of backup O/C
Block 50HS stage of backup O/C
Block 50/51 stage of backup O/C
Back
-
up O/C protection is switched OFF
Back
-
up O/C protection is BLOCKED
Back
-
up O/C protection is ACTIVE
Back
-
up O/C + G/F: General fault detected
Back
-
up O/C: Fault detection PhA
Back
-
up O/C: Fault detection PhB
Back
-
up O/C: Fault detection PhC
BU 50HS
-
Phase highest OC fault det.
BU 50/51
-
Phase O/C fault det.
BU 50HS
-
Highest O/C time expired
BU 50/51
-
Overcurrent timer expired
BU Overcurrent & G/F: General trip
Back
-
up O/C error: Winging 3 no exist
4523
4525
4526
4531
4532
4533
4536
4537
>Ext1 BLOCK
>Ext1 blkTRIP
>Ext1 TRIP
Ext1 OFF
Ext1 BLOCKED
Ext1 ACTIVE
Ext1 Gen.Flt
Ext1 Gen.TRIP
BLOCK external trip 1
BLOCK trip signal of external trip 1
External trip 1
External trip 1 is switched OFF
External trip 1 is BLOCKED
External trip 1 is ACTIVE
External trip 1: General fault detect
External trip 1: General trip
Event LCD Abbreviation Description