SEC-00 / NAV

Key Selling Points

  • Adjustable Protection
  • Residual Current Monitoring
  • Remote Communication

Application Tags

Industrial Power Distribution System... Commercial Buildings and Facilities Smart Grid Infrastructure Data Centers and Server Rooms

MODEL REF: TDK3ELJ

TDK3ELJ Smart Metering MCCB

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

The TDK3ELJ Smart Metering MCCB is an advanced circuit breaker offering real-time residual current monitoring, precise power metering, and intelligent protection features for enhanced...

Rated Operating Voltage AC400/50Hz
Poles 3P+N
Frame Current Range 125A-800A
Standard IEC60947-2
Protection Type Three-stage electronic, adjustable
Residual Current Type AC type
Communication Protocols Modbus, DL/T645, HPLC, RS485
Rated Insulation Voltage 1000V

Core Capabilities

Key Features

Intelligent Protection & Control

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

Advanced Residual Current Management

Monitors and tracks residual current in real-time, featuring online adjustable settings and an auto-reclosing...

Comprehensive Power Metering

Provides real-time measurement of line residual current, three-phase voltage, load current, active/reactive/apparent power, and...

Multi-stage Electronic Protection

Offers long delay, short delay, and instantaneous three-stage electronic protection, independent of supply voltage,...

Product Brief

Overview

The TDK3ELJ Smart Metering MCCB is engineered for advanced power distribution systems, integrating precise metering with robust protection capabilities. Utilizing a high-performance 32-bit ARM microprocessor, it delivers real-time signal processing and intelligent control.

  • Intelligent Protection & Control
  • Advanced Residual Current Management
  • Comprehensive Power 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.

  • Choose for applications requiring precise real-time measurement of electrical parameters (current, voltage, power, residual current) for energy management.
  • Select for systems needing comprehensive three-stage electronic protection, including residual current, overload, short-circuit, overvoltage, undervoltage, and phase loss.
  • Ideal for smart grids and industrial automation where remote monitoring, control, and parameter adjustment via Modbus, DL/T645, HPLC, or RS485...

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+N
Frame Current Range 125A-800A
Standard IEC60947-2
Protection Type Three-stage electronic, adjustable
Residual Current Type AC type
Communication Protocols Modbus, DL/T645, HPLC, RS485
Rated Insulation Voltage 1000V
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: TDK3ELJ