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AEG MPV 003 203608 Modicon Motor Protection Relay

  • Product Introduction: This is a 3-phase motor protection relay from AEG, engineered to safeguard three-phase asynchronous motors against common electrical faults including overload, phase loss, phase imbalance, and overheating. It utilizes advanced electronic sensing and microprocessor-based control to provide precise and fast protection, ensuring the longevity of motors and minimizing downtime in industrial applications.
  • Technical Specifications:
    • Protection Current Range: 0-30 A, adjustable in 1 A increments.
    • Protection Functions: Overload, phase loss, phase imbalance (≤20% difference), overheating, and short-circuit protection.
    • Trip Characteristics: No trip at 1.05×rated current (2 hours), trip at 1.2×rated current (2 minutes), instant trip at 6×rated current.
    • Contact Rating: 2 NC/1 NO auxiliary contacts, 250 VAC/5 A, 30 VDC/2 A.

Detailed content

    • Power Supply: 24 VDC, power consumption ≤3 W.
    • Operating Temperature: -25°C to +60°C; Storage Temperature: -40°C to +85°C; Protection Rating: IP20.
    • Dimensions: 50mm × 70mm × 65mm (W×H×D); Mounting: 35mm DIN rail.
    • Reset Method: Manual or automatic (adjustable reset time 1-10 minutes).
    • LED Indicators: Power (green), trip (red), fault type (yellow for phase loss, overheating, etc.).
  • Functional Features:
    • Adjustable current range from 0-30 A accommodates a wide range of small to medium-sized three-phase motors, providing versatile protection solutions.
    • Microprocessor-based control ensures accurate and consistent trip characteristics, adapting to varying load conditions and motor types.
    • Phase loss and phase imbalance protection prevent motor damage caused by uneven current distribution, a common issue in industrial power systems.
    • Overheating protection monitors motor temperature indirectly via current sensing, preventing insulation breakdown and motor burnout.
    • Manual and automatic reset options offer flexibility in operation, allowing for quick recovery after minor faults or controlled restart after major issues.
    • LED indicators provide clear visual status and fault type information, enabling rapid troubleshooting and reducing maintenance time.
    • Compact DIN rail mounting design saves space in control cabinets, integrating seamlessly with other motor control components.
  • Application Scenarios: Suitable for protecting three-phase asynchronous motors in industrial applications such as pumps, fans, compressors, conveyors, and mixers. It is widely used in factory automation, water treatment plants, building management systems, and process industries where reliable motor protection is critical to maintaining operational efficiency and reducing maintenance costs.

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