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General| Brand | Mitsubishi Electric |
|---|---|
| Model | NF400-SEW |
| Category | Industrial Electrical |
| Language | English |
Explains safety symbols and initial precautions for safe operation.
Details the acceptable ambient temperature, humidity, altitude, and atmosphere for operation.
Outlines tests to ensure electrical safety and integrity of the unit.
Provides instructions for connecting the MDU Breaker and installing the unit.
Covers pre-use checks, warranty scope, and general usage advice.
Details safe handling practices and a schedule for regular inspections.
Explains how to adjust the overcurrent protection settings and tripping curves.
Describes the process for testing the overcurrent trip mechanisms.
Details alarm contact capacity, combinations, and precautions for use.
Covers the physical installation of the MDU Breaker main unit and its connection cable.
Provides steps for mounting the MDU onto an IEC rail and connecting its cables.
Specifies suitable wire sizes and connection techniques for terminal blocks.
Details wiring requirements for pulse outputs and CC-Link communication.
Lists the main features, measurement capabilities, and output specifications of the MDU.
Enumerate all measurable electrical parameters and their display/communication status.
Provides detailed rated values, ranges, and accuracy for current measurements.
Details the specifications for voltage, electric power, reactive power, and frequency measurements.
Covers accuracy and ranges for electric energy, reactive energy, and power factor.
Details specifications for harmonic current and fault current measurements.
Lists all parameters that can be monitored via display or communication.
Explains how to use and interpret load current, overcurrent, and demand alarms.
Details the usage and configuration of phase and unbalance current alarms.
Covers MDU breaker status, fault causes, and demand limit alarms.
Details the neutral line alarm and specifications for pulse output and CC-Link.
Identifies the display, operation switches, and all terminal connections on the MDU.
Guides on setting station numbers, communication speed, and LEDs for CC-Link.
Defines limits on connectable units and provides precautions for CC-Link network setup.
Details the installation of terminators and proper grounding for CC-Link cables.
Provides detailed rated values, ranges, and accuracy for current measurements.
Explains demand value calculation and device behavior during power outages.
Introduces the main menu and how to access different functions using operation switches.
Shows how measurement values for current and voltage are displayed on the MDU.
Illustrates the display formats for power, reactive power, and frequency measurements.
Shows how harmonic current, content rate, and demand values are displayed.
Covers reactive energy display and how to access protection characteristic settings.
Explains how to view current setting, long delay time, and short time delay tripping current.
Details viewing Ts, li, ER settings and navigating fault/alarm screens.
Covers how faults and alarms are displayed and how to reset various data points.
Explains how to configure phase switching, demand limits, line system, and pulse units.
Details settings for demand limit, line system, pulse units, and pre-alarm.
Covers configuration of current demand, phase, unbalance alarms, and alarm reset methods.
Further details on setting phase, unbalance alarms, and the alarm reset method.
Explains how to adjust LCD backlight and contrast for optimal viewing.
Covers changing display direction and setting the device's date and time.
Details how to set the device's date/time and configure electric energy measurement settings.
Explains the procedure for setting reactive energy measurement parameters.
Shows the layout and content of measurement data in vertical display mode.
Illustrates the data presentation in horizontal display mode.
Provides guidance on sequential setting operations and CC-Link communication precautions.
Covers CC-Link communication precautions and the mapping of MDU I/O signals.
Addresses communication error codes, solutions, and general troubleshooting for the MDU.
Lists Mitsubishi Electric sales representatives and contact details worldwide.
Contains safety disclaimers, trademark information, and the Group's environmental statement.
