ABB REM610 Multifunctional Protective Relay (Special for Motor/Power Distribution Line Protection) Core Attribute: An industrial-grade microprocessor-based multifunctional protective relay of ABB. Core function: Protection for incoming and outgoing lines of medium-voltage power distribution systems, and can also be used as backup protection for motors, transformers and generators. It integrates multiple protection functions such as overcurrent protection, earth fault protection and thermal protection, equipped with LCD HMI and complete communication interfaces. It has the characteristics of self-monitoring, fault recording and automatic reclosing, with reliable protection and strong adaptability. Widely used in power distribution and equipment protection systems of power plants, steel mills, cement plants and other industrial scenarios.
（I）Core Technical Specifications
1. Electrical & Protection Parameters
- Protection Functions: Three-phase non-directional overcurrent protection (time-delayed/IDMT characteristics, low/high setting + instantaneous stage), non-directional earth fault protection (time-delayed/IDMT characteristics), phase discontinuity protection, cable thermal overload protection, arc protection (optional)
- Input & Output: 4 precise current inputs, 3 normally open power output contacts, 2 changeover signal output contacts (3 expandable with optional I/O module), 2-5 electrically isolated digital inputs
- Frequency Adaptation: User-selectable rated frequency 50/60 Hz
- Communication Protocols: Supports SPA bus, IEC 60870-5-103, Modbus (RTU/ASCII), optional DNP 3.0 protocol (RS-485 connection)
2. Environmental & Physical Parameters
- Environment: Adapts to harsh industrial environments, operating temperature range -25℃~+70℃, relative humidity 5%-95%RH (non-condensing)
- Physical Specifications: Removable plug-in device, suitable for standard control cabinet installation; equipped with LCD display and 8 programmable LED indicators
- Backup Power Supply: Built-in backup battery for real-time clock, supporting battery charging monitoring
3. Core Features
- Comprehensive Protection: Integrated multiple protection functions, covering full-scene protection needs of power distribution lines and key equipment
- Intelligent Monitoring: Continuous self-monitoring system, 80-second disturbance recorder (4 analog channels + 8 digital channels), 100 time-stamped event records
- Easy Operation: LCD HMI supports multiple languages, enabling local/remote control via front optical interface/rear communication module
- Flexible Expansion: Output contact functions can be freely configured, supporting optional I/O modules and communication modules for expansion
（II）Product Attributes & Certification
- Origin: Made in USA, serial number traceable, original factory production without OEM
- Certification: Complies with international industrial electrical safety standards, has professional certification for protective relays, suitable for global industrial scenarios
- Warranty: 12-month original factory warranty, 6-12-month industrial channel warranty, supporting professional technical maintenance, debugging and calibration services
Consulting telephone：+86 18020721390 
customer service +86 18020721390 
