Product Description

The ABB REM620E1G NBMNAAAAABC6BBN11G is a professional intelligent motor protection and control IED belonging to ABB Relion 620 series. Designed for medium and large asynchronous and synchronous motor equipment in industrial power distribution systems, it integrates full-range motor fault protection, real-time operational measurement, automatic logic control and substation communication functions, serving as the core safety monitoring and control unit for critical motor operation loops in power plants, petrochemical and process industries.

This device adopts advanced industrial microprocessor architecture and optimized protection algorithm, supporting comprehensive motor protection during startup, steady operation and abnormal working conditions. It features high-precision electrical parameter measurement and multi-channel RTD temperature monitoring functions, realizing real-time tracking of motor operating status. Fully compliant with IEC 61850 international communication standard, it supports GOOSE message transmission, HSR/PRP redundant network and Modbus/DNP protocols, enabling seamless data interaction with substation automation systems and upper monitoring platforms. Adopting withdrawable modular structure, industrial-grade EMC anti-interference design and wide temperature adaptability, it supports 24/7 long-term stable and reliable operation in harsh industrial power distribution environments.

Main Specifications

1. Full Part Number: REM620E1G NBMNAAAAABC6BBN11G; Product Type: Relion 620 series intelligent motor protection and control IED
2. Applicable System: Industrial medium/high-voltage motor systems, power distribution substations and process industry motor control platforms
3. Core Function: Motor full-scenario fault protection, electrical parameter measurement, temperature supervision, automatic control and network communication
4. Protection Performance: Complete protection logic for motor startup faults, overload, short circuit, phase unbalance and abnormal operation
5. Monitoring Capability: High-precision voltage, current, power sampling and multi-point RTD temperature detection functions
6. Communication Standard: Native IEC 61850 Ed1/Ed2 compliance, supporting GOOSE, HSR/PRP redundancy and mainstream industrial protocols
7. Structural Design: Standard withdrawable modular structure for convenient installation, maintenance and replacement
8. Control Logic: Configurable automatic control and interlock logic to adapt to diverse motor operation processes
9. Environmental Performance: Industrial-grade electromagnetic compatibility and wide-temperature working adaptability
10. Reliability: Industry-certified rugged design for long-cycle continuous motor safety supervision tasks

Core Functions

1. Act as the dedicated full-function protection and control core for industrial medium and large motor equipment.
2. Provide comprehensive fault protection to avoid motor burnout and equipment damage caused by electrical anomalies.
3. Realize real-time high-precision measurement and status supervision of motor electrical and temperature parameters.
4. Execute flexible automatic control and interlock logic to support unattended motor operation management.
5. Support high-speed network communication and redundant data transmission to ensure substation system synchronization.
6. Record operating events and fault data to facilitate post-fault analysis and predictive equipment maintenance.

Application Scenarios

1. Power plant auxiliary motor equipment protection, monitoring and automatic control systems
2. Petrochemical, chemical and metallurgical industry heavy-duty motor safety operation platforms
3. Industrial park and factory medium-voltage power distribution motor supervision scenarios
4. Replacement and upgrading of aging ABB Relion series motor protection relays
5. Industrial sites requiring high-reliability, full-protection and intelligent motor loop management