ABB REM615 Relion® 615 Series

Complete Technical Specification & User Description

General Information

Model: REM615

Series: Relion® 615

Device Type: Motor Protection and Control IED

Manufacturer: ABB

Application: Medium and low voltage asynchronous motors, pumps, fans, conveyors, compressors and industrial motor feeders

Design Form: Withdrawable plug-in unit, 4U panel mounting

Front Protection Degree: IP54

Rear Protection Degree: IP20

Standard Version Configurations

Type AA: 3-phase current + residual current input

Type CA: 3-phase current + residual current + 5-phase voltage input

Power Supply Ratings

Auxiliary AC Supply: 100–240 V AC, 50/60 Hz, operating range 38–110% Un

Auxiliary DC Supply: 24–250 V DC, operating range 80–120% Un

AC Power Consumption: Typical <16 W, Maximum <21 W

DC Power Consumption: Typical <12 W, Maximum <18 W

Analog Inputs

Current Input (CT)

Rated Secondary: 1 A / 5 A selectable

Continuous Current: 20 A

Short Time Withstand: 500 A for 1 second

Voltage Input (VT)

Rated Voltage: 100–120 V

Continuous Withstand: 2 × Un

Optional Analog Modules

Up to 6 channels RTD input (Pt100 / Pt1000)

Up to 2 channels 4–20 mA analog input

Binary Inputs & Outputs

Binary Inputs

Standard: 12 inputs

Optional expandable: 18 inputs

Operating Voltage: 24–250 V DC

Typical Response Time: 3 ms

Binary Outputs

Standard: 10 outputs

Optional expandable: 13 outputs

Rated Voltage: 250 V AC / DC

Continuous Current: 5 A

Environmental Conditions

Operating Temperature: −25 °C to +55 °C

Short-term Temperature: −40 °C to +85 °C (max 16 hours)

Relative Humidity: 5% to 93 %, non-condensing

Maximum Altitude: 4000 m above sea level

Mechanical Data

Dimensions (W × H × D): 180 × 177 × 194 mm

Main Protection Functions

• Thermal Overload Protection (49M)

• Phase Overcurrent Instantaneous & Time-delayed (50P / 51P)

• Earth Fault Protection, Directional / Non-directional (51G / 67N)

• Locked Rotor and Motor Stall Protection (51LR / 66)

• Phase Unbalance and Loss of Phase Protection (46M)

• Overvoltage and Undervoltage Protection (27 / 59)

• Motor Start Supervision and Start Blocking

• Underload / Loss-of-Load Protection (37)

• Optional Arc Flash Protection with high-speed trip ≤ 1 ms

• Communication Interfaces & Protocols

• Ethernet Interface: 10/100 Base-TX RJ45; optional 100 Base-FX fiber

• Supported Protocols:

  • IEC 61850 (MMS, GOOSE, Sampled Values 9-2 LE)

  • Modbus TCP / Modbus RTU

  • DNP3.0 Level 2

• Redundancy Support: HSR / PRP (optional)

• Time Synchronization: SNTP, IRIG-B, IEEE 1588 PTP v2

• Measurement & Recording Functions

• Measured Quantities: Phase current, residual current, sequence current; phase voltage, residual voltage, sequence voltage; active power, reactive power, apparent power, power factor, energy

• Event Sequence Recording: 100 events with time stamp accuracy ±1 ms

• Fault Event Records: Up to 100 fault records

• Disturbance Recorder: 4 analog channels + 64 digital channels waveform recording

• HMI & Operation

• Large graphical LCD display with single-line diagram support

• Local control for breaker / switch operation

• Embedded web server for remote monitoring and setting

• Configuration compatible with ABB PCM600 software

• Four-level user access authority: Viewer, Operator, Engineer, Administrator

• Key Features

• All-in-one protection, control, measurement and monitoring

• Withdrawable design for easy replacement and maintenance

• Industrial wide temperature and high EMC immunity

• Full support for substation automation and network redundancy

• Suitable for power plant, chemical, metallurgy, water treatment and industrial distribution systems