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Eaton IQDP4030 66d2040g01 Protection Relay
Eaton IQDP4030 66d2040g01
Eaton IQDP4030 66d2040g01 is a high-performance digital power distribution protection relay under the Power Xpert series of Eaton Corporation, with the specific model IQDP 4030. As an advanced product of Eaton in the field of intelligent power distribution and energy management, this device is specially designed to provide comprehensive and integrated protection, monitoring, control, and metering functions for incoming lines, bus ties, and critical feeder circuits in medium and low-voltage power distribution systems. The core value of Eaton IQDP4030 lies in its powerful microprocessor and advanced algorithms, which enable real-time and accurate measurement of power parameters. When abnormal conditions such as overcurrent, earth fault, unbalance, overvoltage/undervoltage are detected, it quickly issues alarms or executes trip commands to protect key power assets such as transformers, busbars, and cables from damage.
| Parameter Name | Parameter Value |
|---|---|
| Product Model | IQDP4030 (Part Number: 66d2040g01) |
| Manufacturer | Eaton |
| Product Type | Digital Power Distribution Protection Relay |
| Application Scope | Incoming Line, Bus Tie, Feeder Protection |
| Rated Current | 5A or 1A (CT Secondary Side, Configurable) |
| Power Supply Voltage | 24-48 V DC / 24-240 V AC/DC (Wide Range) |
| Protection Functions | Overcurrent (Instantaneous/Definite Time/Inverse Time), Earth Fault, Negative Sequence, Overvoltage/Undervoltage, Overfrequency/Underfrequency, Thermal Overload |
| Measuring Parameters | Current, Voltage, Active/Reactive/Apparent Power, Power Factor, Frequency, Energy, Demand, Harmonics (THD) |
| Communication Interfaces | 2 Ethernet Ports, 2 RS-485 Serial Ports |
| Supported Protocols | Modbus TCP, IEC 61850, DNP3, Modbus RTU |
| Display Interface | High-Resolution Color LCD Touchscreen |
| Event Recording | 1024 Time-Stamped Sequence of Events (SOE) |
| Fault Recorder | Supported |
| Operating Temperature | -20°C to +70°C |
| Installation Method | Panel Mounting (DIN Standard Compliant) |
Structure and Composition
Eaton IQDP4030 66d2040g01 adopts a robust industrial design. The core of the front panel is a high-resolution color LCD touchscreen, providing an intuitive human-machine interface. Function buttons and LED status indicators are located below or on the side. Its shell is made of metal materials to ensure good electromagnetic shielding and mechanical strength.
The internal structure is based on a modular design, mainly including the following core components: High-performance microprocessor unit, responsible for executing all protection algorithms, logical operations, and data management; High-precision analog input module, which samples and conditions the secondary signals from CT/PT through voltage and current transformer interfaces; Digital Signal Processor (DSP), used for real-time calculation of complex power parameters and harmonic analysis; Non-volatile memory, used for storing settings, event records, fault recording data, and waveforms; Communication module, integrating dual Ethernet controllers and serial communication controllers, supporting multiple industrial protocols; Output relay module, providing multiple groups of programmable output contacts for tripping, alarming, and remote control; And high-reliability power supply module, adapting to a wide range of AC/DC inputs, providing stable working voltage for internal circuits. These components work together through an internal high-speed bus to achieve continuous monitoring and intelligent protection of the power grid status.
Key Features and Advantages
Comprehensive Integration of Protection and Measurement: Eaton IQDP4030 integrates complete protection functions and high-precision metering functions into a single device, reducing the need for external meters, providing a unified data view, and simplifying system design and wiring.
Advanced Communication and Interoperability: Supports multiple mainstream communication protocols including IEC 61850, DNP3, and Modbus, ensuring seamless integration into new or existing SCADA, DMS, and smart grid systems to achieve efficient remote monitoring and management.
User-Friendly Operation Experience: Equipped with a color touchscreen and intuitive graphical interface, it is easy to view real-time data, modify settings, analyze event records, and fault recordings on-site, greatly reducing the difficulty and time of operation and commissioning.
High Reliability and Flexibility: Adopts industrial-grade components and a robust design to ensure stable operation in harsh environments. Its flexible configuration capabilities (custom logic, programmable buttons, multiple curve options) enable it to adapt to various complex application requirements.
Installation and Maintenance
Pre-Installation Preparation: Before installing Eaton IQDP4030 66d2040g01, ensure that all relevant circuits are safely isolated and de-energized. Carefully read the installation manual to confirm that the polarity, transformation ratio, and accuracy of CT/PT meet the requirements. Plan the routing of communication cables to avoid parallel laying with power cables to reduce interference. Prepare appropriate installation hole templates and fasteners.
Maintenance Recommendations: Conduct regular inspections of Eaton IQDP4030 to check if the parameters displayed on the touchscreen are normal. Use the device’s self-diagnostic function to check the hardware status. Regularly back up the device’s configuration settings. It is recommended to perform a simulated test of protection functions once a maintenance cycle (e.g., one year) to verify the accuracy of its actions. Keep the device’s vents and screen clean. Pay attention to event records to promptly detect and analyze power grid disturbances or equipment abnormalities. Firmware upgrades should be performed by professionals.
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