Description
1. Product Title
ABB REM620A_F NAMBBABA33E5BNN1XF‑ Motor Protection and Control IED
2. Product Overview
The REM620A_F NAMBBABA33E5BNN1XF is a high‑end intelligent electronic device within ABB Relion 620 series, designed for comprehensive protection, control, measurement and condition monitoring for medium‑and large‑capacity asynchronous and synchronous motorsABB Group. This IED integrates motor differential protection, thermal overload, locked‑rotor stall, earth‑fault, phase unbalance and startup supervision into single hardware unit, reducing the requirement for multiple discrete protection relays. It supports RTD/mA analog inputs for bearing and winding temperature monitoring, optional arc‑flash protection, high‑precision metering, disturbance fault recording and embedded programmable logic functionseero. REM620A_F NAMBBABA33E5BNN1XF delivers rapid fault tripping and detailed event logs, effectively preventing motor winding burnout and mechanical failures and cutting unplanned downtime in heavy‑duty industrial environments.
3. Technical Specifications
- Brand: ABB
- Model: REM620A_F NAMBBABA33E5BNN1XF
- Warranty: One Year
- Condition: 100% New & Original
- Input/Output: CT/VT measurement interfaces; configurable binary digital inputs, high‑speed relay trip and signal outputs; multi‑channel RTD and mA analog inputs for temperature monitoring; optional arc‑fault sensor interfaceseero
- Operating Temp: ‑20 °C ~ +70 °C (operational); ‑40 °C ~ +85 °C (storage)
- Communication: Multi‑port Ethernet; supports IEC 61850 Ed.1/Ed.2, GOOSE messaging, PRP/HSR redundancy, Modbus TCP/RTU, DNP3, IEC 60870‑5‑103; IEEE 1588 V2 time synchronization supportedeero
- Dimensions/Weight: 202 mm × 177 mm × 160 mm; approx. 4.2 kg
- Core Functions: Motor differential protection, multi‑condition motor protection, electrical metering, circuit‑breaker control, disturbance recording, self‑supervision, local graphical HMI, PCM600 configuration tool compatibility, role‑based access controleero
4. Application Scenarios
- Mining Heavy‑Duty Operations: Deployed for large medium‑voltage drive motors for SAG mills, ball mills and primary crushers. Differential and stall protection safeguards high‑power motors during heavy‑load startup and fluctuating mine production cycles.
- Petrochemical Complexes: Applied for critical large compressor, pump and fan motor protection within refinery and chemical process units. Arc‑fault supervision and fast fault isolation improve personnel safety and maintain continuous process operation.
- Thermal Power Plants: Used for major auxiliary motor protection for forced‑draft fans, induced‑draft fans and large circulating water pumps. Redundant IEC‑61850 communication provides stable data exchange with plant DCS/SCADA for remote asset supervisionABB Group.
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