SEC-00 / NAV

Key Selling Points

  • Adjustable Protection
  • Residual Current Monitoring
  • Remote Communication

Application Tags

Industrial power distribution system... Commercial buildings and facilities... Smart grids and energy management sy... Data centers and critical infrastruc...

MODEL REF: TDK5EJ

TDK5EJ Smart Metering MCCB

Smart Metering MCCB Smart MCCB Apr 21, 2026 ENGINEERING SUPPORT AVAILABLE

The TDK5EJ Smart Metering MCCB is an advanced circuit breaker integrating precise metering, robust protection, and intelligent communication for enhanced power distribution management.

Rated Operating Voltage AC400/50Hz
Poles 3P/4P
Standard IEC60947-2
Protection Type Three-stage protection, electronically adjustable
Communication Modbus, DL/T645, RS485
Rated Insulation Voltage 1000V
Auto Reclosing Time ≤2s
Measurement Accuracy Current/Voltage 0.5s, Active/Reactive Level 1

Core Capabilities

Key Features

Advanced Microprocessor Control

Utilizes a high-performance 32-bit ARM microprocessor for real-time signal processing and intelligent control.

Comprehensive Protection Functions

Offers long delay, short delay, and instantaneous three-stage electronic protection, including overvoltage, undervoltage, and...

Integrated Smart Metering

Provides real-time measurement of voltage, current, active/reactive/apparent power, and power factor with high accuracy...

Versatile Communication Capabilities

Supports standard Modbus, DL/T645, and RS485 protocols, with optional HPLC, Bluetooth, and 4G communication...

Product Brief

Overview

The TDK5EJ Smart Metering MCCB is engineered for advanced power distribution management, integrating robust circuit protection with precise energy measurement capabilities. Built around a high-performance 32-bit ARM microprocessor, it delivers real-time signal processing and intelligent control, ensuring reliable operation in demanding environments.

  • Advanced Microprocessor Control
  • Comprehensive Protection Functions
  • Integrated Smart Metering

Selection

Selection / Use Cases

Use this MCCB when:

Leakage Monitoring

Suitable for systems requiring residual current protection and status visibility.

Remote Communication

Supports RS485-based integration for panel and facility monitoring.

Adjustable Protection

Built for load coordination environments that need configurable trip settings.

  • Integrated metering and circuit protection in a single device for streamlined power management.
  • Advanced, electronically adjustable three-stage protection against overcurrent, over/undervoltage, and phase loss.
  • Versatile communication protocols (Modbus, DL/T645, RS485 standard; HPLC, Bluetooth, 4G optional) for seamless system integration.

Resources

CAD / Datasheet / Contact

Datasheet Access

Request Datasheet

Electrical ratings, dimensions, and compliance references for project review.

CAD Support

Request CAD

Drawing files and dimensional references for enclosure and panel coordination.

Engineering Contact

Contact Engineer

Confirm selection, accessories, and project requirements with engineering support.

Technical Data

Technical Specs

Rated Operating Voltage AC400/50Hz
Poles 3P/4P
Standard IEC60947-2
Protection Type Three-stage protection, electronically adjustable
Communication Modbus, DL/T645, RS485
Rated Insulation Voltage 1000V
Auto Reclosing Time ≤2s
Measurement Accuracy Current/Voltage 0.5s, Active/Reactive Level 1
INDUSTRIAL INTEGRITY

STANDARD COMPLIANCE

All components meet IEC 60947-2 and CE certification standards. ISO 9001:2015 certified manufacturing.

OEM/ODM CAPABILITIES

Custom electrical configurations and private labeling for global infrastructure projects.

ENGINEERING ASSETS

Immediate access to 2D/3D CAD models, STEP files, and detailed technical datasheets.

Get a Fast, Accurate Quote for Your Project

Submit your specifications or BOM details. Our engineers will review your requirements and provide a precise quotation within 24 hours.

  • Response within 24 hours
  • Engineering review included
  • Support for OEM and custom specifications

IEC 60947-2 compliant | ISO 9001 certified manufacturing

PRODUCT ID: TDK5EJ