FR-E820-0.4K-1 by Mitsubishi Electric

The FR-E820-0.4K-1 by Mitsubishi كهربائي is a compact frequency converter designed for general industrial applications. Belonging to the FR-E800 series, it is suitable for efficient control of small motors. Below is its core information:

Technical Parameters and Functional Features

1. المواصفات الأساسية

Power Rating: 0.4KW (suitable for 0.4kW motor in ND mode, and supports 0.2kW in HD mode).

Input Voltage: Three-phase 200-240V (with ±10% fluctuation range), frequency 50/60Hz, compliant with North American market standards (208-230V).

Output Capacity: Rated current 3A (ND mode), overload capacity of 150% for 60 seconds and 200% for 3 ثواني, supporting wide-range speed regulation (0.2-590هرتز).

Control Modes: Supports V/F control, advanced flux vector control, sensorless vector control, إلخ., flexibly adapting to different motor types.

Communication Interfaces: Standard RS-485 interface supporting Modbus RTU protocol; optional Ethernet module (FR-E800-E model) enables industrial IoT connectivity.

Safety Functions: Complies with SIL2/PLd functional safety standards, with built-in overcurrent, overvoltage, overheat protection, and fault diagnosis functions. how to remove circuit breaker from panel

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2. Design Features

Compact Structure: Dimensions approx. 90x90x86mm, weight 0.55kg, supporting side-by-side installation to save space.

Energy Efficiency and Reliability: Adopts self-cooling design, IP20 protection level, and built-in metal corrosion detection system to monitor corrosive gases (على سبيل المثال, hydrogen sulfide) and issue warnings.

Intelligent Diagnosis: Analyzes alarm causes via AI technology (Maisart), reduces downtime, and supports remote monitoring and batch parameter setting.

Application Scenarios and Industry Adaptation

1. التطبيقات النموذجية

Small Motor Drive: Suitable for speed control in fans, مضخات, conveyors, إلخ., especially in industries like glass manufacturing and material handling.

HVAC Systems: Supports PM sensorless vector control to optimize energy efficiency and stability of air conditioning compressors.

General Industrial Equipment: Adapts to various automated production line needs through flexible parameter settings and expandable functions.

2. Advantages

High Cost-Effectiveness: Delivers vector control performance in the 0.4kW power segment, supports inventory sharing, and reduces enterprise spare parts costs.

Flexible Expansion: Enhances functions via optional accessories (على سبيل المثال, braking resistors, communication modules) to meet complex system requirements.

Purchase Channels and Market Information

1. Price Reference

International market price: تقريبًا 215-230 USD, with discounts for bulk purchases.

2. Warranty Policy

Typically provides a 1-year warranty (based on purchase proof), covering repair or replacement for non-human-induced damage.

Installation and Usage Recommendations

1. Installation Guidelines

Install vertically to ensure heat dissipation, leaving at least 50mm space around. Use cables of specified specifications (على سبيل المثال, 2.5mm² wires) for main circuit wiring and ensure good grounding.

Control circuit supports source/sink logic switching, directly connectable to PLC or other controllers.

Parameter Settings

Initial parameters can be configured via the built-in operation panel (FR-PU07) or FR Configurator2 software, supporting batch writing and AI-assisted debugging.

Typical settings include: motor parameter self-learning, acceleration/deceleration time (recommended 0.1-300 ثواني), torque limitation, إلخ.

Maintenance Tips

Regularly clean the cooling fan and filter; replace capacitors every 2 سنين (depending on usage environment).

If corrosive gases (على سبيل المثال, hydrogen sulfide) are detected, improve the installation environment or activate protective measures promptly.

Comparison with Previous Models

Compared with the FR-E700 series, the main upgrades of FR-E820-0.4K-1 include:

1. Communication Capability: New optional Ethernet interface supports next-generation industrial network protocols like CC-Link IE TSN.
2. Safety Functions: Integrates SIL2/PLd certification for direct use in safety loop design.
3. Diagnostic Technology: Introduces AI fault analysis to shorten downtime.
4. Energy Efficiency Optimization: Automatically reduces excitation current under light load to enhance energy saving.

احتياطات

1. Compatibility: Confirm that motor parameters (على سبيل المثال, number of poles, التصنيف الحالي) match the frequency converter to avoid overload operation.
2. EMC Compliance: It is recommended to install a filter (على سبيل المثال, FR-BIF) on the power supply side to reduce electromagnetic interference and comply with local EMC standards.
3. Spare Parts Replacement: When replacing old models (على سبيل المثال, FR-E720S), pay attention to pin definitions and parameter differences, and contact technical support if necessary.