Description
1. Product Title
ABB REM610C55HCNN02‑ Numerical Motor Protection Relay
2. Product Overview
The REM610C55HCNN02 is an intelligent electronic motor protection relay from ABB Relion 610 series, built for comprehensive protection, monitoring and control of low‑voltage and medium‑voltage asynchronous motorsABB Group. This unit integrates thermal overload, locked‑rotor, earth‑fault, phase unbalance and startup supervision functions within one single hardware device, removing reliance on multiple discrete protection relays. It supports optional RTD temperature measurement for motor winding and bearing condition monitoring, alongside built‑in disturbance recording for post‑fault event analysis. REM610C55HCNN02 reliably detects abnormal conditions during motor startup, steady operation and stand‑still cooling, minimizing unexpected motor damage and unplanned downtime for heavy‑duty industrial motor assets.
3. Technical Specifications
- Brand: ABB
- Model: REM610C55HCNN02
- Warranty: One Year
- Condition: 100% New & Original
- Input/Output: Multi‑channel CT/VT measurement inputs; configurable binary digital inputs, programmable relay trip and signal outputs; supports optional RTD sensor interface for temperature monitoring
- Operating Temp: ‑20 °C ~ +70 °C (operational); ‑40 °C ~ +85 °C (storage)
- Communication: Dual‑port Ethernet, RS485; supports IEC 61850, Modbus RTU, Profibus‑DP, SPA bus protocols
- Dimensions/Weight: 126 × 138 × 129 mm, approx. 0.6 kg, DIN‑rail mountable
- Core Functions: Thermal overload protection, locked‑rotor / stall protection, earth‑fault protection, phase‑unbalance protection, motor startup supervision, disturbance recording, self‑supervision, local LCD human‑machine interface
4. Application Scenarios
- Process Industry Motor Control: Protect large asynchronous motors driving pumps, fans and compressors inside chemical plants. It monitors heavy‑load startup cycles and winding thermal accumulation to prevent motor burnout under variable process loads.
- Mining & Mineral Processing: Deployed for crushers, grinding mills and material conveyor motor protection. Stall detection and cumulative startup counter avoid mechanical and electrical failures under frequent heavy‑duty working conditions.
- Utility Power Distribution: Applied for auxiliary motor protection inside power plants for cooling water pumps and forced‑draft fans, delivering fault logging and seamless data connection to DCS supervisory systems for remote asset management.
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