ABB 5
Motor Protection
REM615 ANSI
Product Version 2.0
1MAC251744 -PG Rev. A
Issued: 03.01.2010
Included = •, Optional =
Analog Inputs
3 CT + Ground
CT
3 CT + Ground
CT + 5 VT
Order Code AA CA
Protection
ANSI
Phase overcurrent, 2 elements 51P, 50P ••
Ground overcurrent 51G ••
Directional neutral overcurrent 67N •
Thermal overload 49M ••
Three-phase undercurrent 37 ••
Phase reversal 46R ••
Locked rotor / start 66/51LRS ••
Locked rotor / jam 51LR ••
Negative sequence overcurrent, 2 elements 46M-1, 46M-2 ••
Phase undervoltage 27 •
Phase sequence overvoltage 47 •
Ground overvoltage 59G •
Circuit breaker failure 50BF ••
Electrically latched/self-resetting trip output, 2 elements 86/94-1,86/94-2 ••
Arc flash detection via three lens sensors AFD-1, AFD-2, AFD-3
Control
Circuit breaker control 52 ••
Emergency start 62EST ••
Monitoring and Supervision
Trip circuit monitoring TCM ••
Breaker condition monitoring 52CM ••
Fuse failure 60 •
Open CT secondary monitoring CCM ••
Machine run timer, 2 elements OPTM-1, OPTM-2 ••
Measurements
Three-phase currents IA, IB, IC ••
Sequence currents I1, I2, I0 ••
Ground current IG ••
Demand phase currents ••
Maximum demand phase currents ••
Three-phase voltages VA, VB, VC •
Sequence voltages V1, V2, V0 •
Ground voltage VG •
Power, energy, and power factor P, E, and PF •
Automation & Communications
10/100 BaseT Ethernet (RJ45) ••
100 BaseFL Ethernet(LC)
10/100 BaseT Ethernet(RJ45) + RS-485(1x4-wire or 2x2-wire) +
IRIG-B
100 BaseFL Ethernet(LC) + RS-485(1x4-wire or 2x2-wire) +
IRIG-B
Ethernet 10/100 BaseT (RJ45) + con gurable RS232/RS485 +
[RS485 or serial glass ber (ST)] + IRIG-B
Records
Sequence of events recorder
SER ••
Fault recorder FLR ••
Digital fault (waveform) recorder DFR ••
Table 2. Functions and features
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