ABB REF 541 Product Manual page 20

20
Feeder Terminal
Table 6: Protection functions
Function ANSI IEC
device no. symbol
AR5Func 79 O-->I
2)
CUB1Cap 51NC-1 dI>C
3)
CUB3Cap 51NC-2 3dI>C
CUB3Low 46 Iub>
DEF2Low 67N-1 Io>-->
DEF2High 67N-2 Io>>-->
DEF2Inst 67N-3 Io>>>-->
1)
DOC6Low 67-1 3I>-->
1)
DOC6High 67-2 3I>>-->
1)
DOC6Inst 67-3 3I>>>-->
4)
FLOC 21FL FLOC
1)
Freq1St1 81-1 f1
1)
Freq1St2 81-2 f2
1)
Freq1St3 81-3 f3
1)
Freq1St4 81-4 f4
1)
Freq1St5 81-5 f5
3)
FuseFail 60 FUSEF
Inrush3 68 3I2f>
2)
MotStart 48 Is2t n<
NEF1Low 51N-1 Io>
NEF1High 51N-2 Io>>
NEF1Inst 51N-3 Io>>>
NOC3Low 51-1 3I>
NOC3High 51-2 3I>>
NOC3Inst 51-3 3I>>>
2)
OL3Cap 51C 3I>3I<
OV3Low 59-1 3U>
OV3High 59-2 3U>>
2)
PSV3St1 47-1 U1U2<>_1 Phase-sequence voltage protection, stage 1
2)
PSV3St2 47-2 U1U2<>_2 Phase-sequence voltage protection, stage 2
ROV1Low 59N-1 Uo>
ROV1High 59N-2 Uo>>
ROV1Inst 59N-3 Uo>>>
1)
SCVCSt1 25-1 SYNC1
1)
SCVCSt2 25-2 SYNC2
1)
TOL3Cab 49F 3Ith>
2)
TOL3Dev 49M/G/T 3Ithdev>
UV3Low 27-1 3U<
UV3High 27-2 3U<<
1) These functions are only supported in the feeder termi-
nal revisions of Release 1.5 or later.
2) These functions are only supported in the feeder termi-
nal revisions of Release 2.0 or later.
REF 541, REF 543, REF 545.
Description
Auto-reclose function (5 shots)
Current unbalance protection for shunt capacitor banks
Three-phase current unbalance protection for H-bridge connected
shunt capacitor
Phase discontinuity protection
Directional earth-fault protection, low-set stage
Directional earth-fault protection, high-set stage
Directional earth-fault protection, instantaneous stage
Three-phase directional overcurrent protection, low-set stage
Three-phase directional overcurrent protection, high-set stage
Three-phase directional overcurrent protection, instantaneous
stage
Fault locator
Underfrequency or overfrequency protection, stage 1
Underfrequency or overfrequency protection, stage 2
Underfrequency or overfrequency protection, stage 3
Underfrequency or overfrequency protection, stage 4
Underfrequency or overfrequency protection, stage 5
Fuse failure supervision
Three-phase transformer inrush and motor start-up current detector
Three-phase start-up supervision for motors
Non-directional earth-fault protection, low-set stage
Non-directional earth-fault protection, high-set stage
Non-directional earth-fault protection, instantaneous stage
Three-phase non-directional overcurrent protection, low-set stage
Three-phase non-directional overcurrent protection, high-set stage
Three-phase non-directional overcurrent protection, instantaneous
stage
Three-phase overload protection for shunt capacitor banks
Three-phase overvoltage protection, low-set stage
Three-phase overvoltage protection, high-set stage
Residual overvoltage protection, low-set stage
Residual overvoltage protection, high-set stage
Residual overvoltage protection, instantaneous stage
Synchro-check / voltage-check function, stage 1
Synchro-check / voltage-check function, stage 2
Three-phase thermal overload protection for cables
Three-phase thermal overload protection for devices
Three-phase undervoltage protection, low-set stage
Three-phase undervoltage protection, high-set stage
3) These functions are only supported in the feeder termi-
nal revisions of Release 2.5 or later.
4) This function is only supported in the feeder terminal
revisions of Release 3.5 or later.
1MRS750443-MBG