REM610C55HCNN02

Description

ABB REM610C55HCNN02 Motor Protection Relay

1. Product Description

• Multi-Function Protection: Guards against thermal overload, phase unbalance, earth faults, and 堵转 (locked rotor) conditions, with adjustable settings to match motor specifications.
• Real-Time Monitoring: Continuously measures motor current, voltage, and temperature (via optional RTD sensors), providing accurate data for predictive maintenance.
• Fault Recording: Stores up to 100 transient events (e.g., short circuits, voltage dips) in COMTRADE format, enabling detailed post-fault analysis to identify root causes.
• Modular Design: Features hot-swappable components and a user-friendly interface, simplifying installation and reducing maintenance time by up to 30%.

2. Technical Parameters

Parameter	Specification
Brand	ABB
Model	REM610C55HCNN02
Protection Type	Motor protection relay (LV/HV asynchronous motors)
Voltage Supply	24V DC ±15% (auxiliary supply)
Current Input Range	0.1A–5A (CT-adaptive, selectable via software)
Digital I/O	8 configurable digital inputs 4 relay outputs (250V AC/30V DC, 5A resistive load)
Communication Interfaces	Profibus DP, Modbus RTU, IEC 60870-5-103 (for protective relaying)
Operating Temperature	-20°C to +60°C (non-condensing, 5%–95% humidity)
Storage Temperature	-40°C to +85°C
Isolation	Galvanic isolation between I/O and power supply (2.5kV AC for 1 minute)
Dimensions (W×H×D)	100mm × 160mm × 110mm (DIN rail mountable)
Weight	0.6kg
Compliance	CE, RoHS, IEC 61850-3 (for power utility applications), IEC 61131-2 (software safety)

REM610C55HCNN02

3. Advantages and Features

• Precision Protection: The REM610C55HCNN02 uses advanced thermal modeling to mimic motor heating curves, reducing false trips by 40% compared to basic overload relays. Its earth-fault detection sensitivity reaches 1% of rated current, ensuring early fault isolation.
• Flexible Integration: Supports both local configuration via its 2×16 LCD display and remote management through ABB’s Relion® Manager software, enabling real-time parameter adjustment and status monitoring.
• Rugged Durability: With a mean time between failures (MTBF) exceeding 200,000 hours, the relay withstands vibrations (up to 5g) and electromagnetic interference (EMI) per IEC 61000-6-2, making it suitable for heavy industrial environments.
• Energy Efficiency: Low power consumption (≤10W) and adaptive sleep modes help reduce operational costs, while proactive maintenance alerts minimize energy waste from inefficient motor operation.

4. Application Areas and Case Study

Application Areas:

• Manufacturing: Protects pumps, compressors, and conveyor motors in automotive, food & beverage, and pharmaceutical plants.
• Energy and Utilities: Monitors motors in wind turbines, hydro generators, and wastewater treatment pumps.
• Process Industries: Safeguards large motors in chemical reactors, refinery pumps, and steel mill drives.

Case Study:

5. Competitive Comparison

• Enhanced Diagnostic Capability: Provides detailed fault records with timestamped data, unlike basic relays that only indicate fault types.
• Wide Voltage Tolerance: Operates reliably with a 15% voltage fluctuation range, outperforming alternatives limited to ±10%.
• Scalable Communication: Supports multiple protocols (Profibus, Modbus, IEC 60870-5-103), making it suitable for both legacy and modern automation systems without additional gateways.
  

  REM610C55HCNN02

6. Selection Recommendations

• Motor Rating: Ensure the relay’s current input range matches your motor’s rated current (0.1A–5A, with CT adaptation for higher currents).
• Communication Needs: Prioritize if your system requires integration with Profibus (for ABB DCS) or Modbus (for third-party PLCs).
• Environmental Conditions: Choose the REM610C55HCNN02 for high-temperature or high-EMI environments, as its rugged design eliminates the need for additional protective enclosures.
• Redundancy Requirements: For critical applications, pair with dual-channel modules to ensure fault tolerance and continuous operation.

7. Precautions

• Installation:
  • Power down the motor and control system before installing the relay to prevent electrical shock or damage.
  • Use shielded cables for current and voltage inputs, routing them separately from power cables to minimize EMI interference.
• Configuration:
  • Calibrate the relay using ABB’s Relion® Manager software to match motor parameters (e.g., thermal constants, start-up time).
  • Validate settings with a simulated fault test to ensure correct trip responses.
• Maintenance:
  • Regularly check the LCD display for fault codes and update firmware quarterly to access the latest protection algorithms.
  • Inspect terminal connections annually for corrosion or looseness, especially in humid environments.
• Storage:
  • Store unused relays in anti-static packaging within the specified temperature range (-40°C to +85°C) to preserve component integrity.