TheABB REM610is a specialized motor protection relay designed for the measurement, protection, and supervision of medium and large-sized asynchronous low-voltage (LV) motors, as well as small and medium-sized asynchronous high-voltage (HV) motors. As a key member of theRelion® 610 series, it is widely used in manufacturing and process industries.
Technical Specifications
Manufacturer:ABB
Series:Relion 610 (Motor Protection)
Motor Types:Asynchronous LV/HV motors
Protection Functions:
Thermal Overload Protection
Cumulative Motor Startup Supervision
Running Stall Protection
Earth-Fault Protection
Phase Unbalance and Loss-of-Phase Protection
Measurement:Phase currents, earth current, thermal level, and optional temperature (via RTD)
I/O Hardware:Removable plug-in unit for rapid maintenance
Certifications:KEMA Type Test certified; DNV certified for marine and offshore use
Operating Voltage:Wide range of auxiliary power supply options available
Key Features & Engineering Advantages
Comprehensive Motor Lifecycle Handling:The REM610 manages fault conditions across all motor states, including startup, normal operation, idling, and cooling down at standstill.
Plug-in Design:The hardware allows for fast and safe insertion or withdrawal of the relay unit, which facilitates switchgear commissioning and routine maintenance without disturbing the fixed wiring.
Enhanced Temperature Monitoring:With an optional add-on card, the relay supports RTD sensors or thermistor elements for direct temperature measurement of critical motor components like bearings and windings.
Multipurpose Capability:Beyond motors, its robust thermal overload and phase overcurrent functions make it an excellent choice for protecting distribution transformers and cable feeders.
Global Communication Standards:Supports a wide range of protocols to ensure seamless integration into plant control systems:
