ABB REF 545 Product Guide

Feeder Terminal REF 541, REF 543, REF 545.
1MRS750443-MBG
46
LOAD SHEDDING AND
RESTORATION
81-1 f1 Underfrequency or
overfrequency inc. rate of
change, stage 1
Freq1St1 X
81-2 f2 Underfrequency or
overfrequency incl. rate of
change, stage 2
Freq1St2 X
81-3 f3t Underfrequency or
overfrequency incl. rate of
change, stage 3
Freq1St3 X
81-4 f4 Underfrequency or
overfrequency incl. rate of
change, stage 4
Freq1St4 X
81-5 f5 Underfrequency or
overfrequency incl. rate of
change, stage 5
Freq1St5 X
ADDITIONAL FUNCTIONS
79 O  I Auto-reclosure AR5Func X X X
25-1 SYNC1 Synchro-check/voltage
check, stage 1
SCVCSt1 X X X
25-2 SYNC2 Synchro-check/voltage
check, stage 2
SCVCSt2 X X X
68 3I2f > Three-phase inrush detector Inrush3 X X
60 FUSEF Fuse failure supervision FuseFail X X X
46 Iub> Phase discontinuity CUB3Low X X
62BF CBFP Circuit breaker failure - X X X
49M/G/T 3Ithdev> Three-phase thermal
overload protection for
devices
TOL3Dev X
48 Is2t n< Start-up supervision for
motors
MotStart X
47-1 U1U2<>_
1
Three-phase phase-
sequency voltage protection,
stage 1
PSV3St1 X
47-2 U1U2<>_
2
Three-phase phase-
sequency voltage protection,
stage 2
PSV3St2 X
Functionality levels, protection functions
FUNCTIONALITY LEVELS
ANSI
Code
IEC
Symbol
Function Code REF541/3/5
CONTROL
REF541/3/5
BASIC
REF541/3/5
MULTI
Functionality levels, other functions
FUNCTIONALITY LEVELS
ANSI
Code
IEC
Symbol
Function Code REF541/3/
5
CONTROL
REF541/3/
5 BASIC
REF541/3/
5 MULTI
MEASUREMENT
FUNCTIONS
CURRENT
3I 3I Three-phase current MECU3A X X X
3I_B 3I_B Three-phase current, B
stage
MECU3B X X X
Io Io Neutral current MECU1A X X X
Io_B Io_B Neutral current, B stage MECU1B X X X
VOLTAGE
3U 3U Three-phase voltage MEVO3A X X X

ABB REF 545 Specifications

General

Brand	ABB
Model	REF 545
Category	Touch terminals
Language	English