GE IS200ERDDH1ABA

Overview

The GE DS3820LT4E.1D1A is an industrial Loadtrak IV motor protection and control module developed by General Electric for use in Speedtronic Mark IV turbine control systems.

This module is designed to provide comprehensive protection and monitoring of electric motors and rotating equipment, ensuring safe operation in demanding environments such as power plants and heavy industry. It integrates multiple protection functions into a single compact unit, improving system reliability and reducing downtime.

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Functional Capabilities

The DS3820LT4E.1D1A operates as a multifunction motor protection relay and control board, delivering:

• Overload Protection – Prevents damage caused by excessive current
• Over-Temperature Monitoring – Protects motor windings using thermal inputs
• Ground Fault Detection – Identifies insulation failures or leakage currents
• Phase Loss & Imbalance Protection – Detects abnormal supply conditions
• Real-Time Monitoring – Continuously analyzes motor operating parameters

These features allow the module to act as a central protection unit for AC motors and turbine auxiliary systems.

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Technical Specifications

Parameter	Specification
Model	DS3820LT4E.1D1A
Product Type	Motor Protection / Control Module
Series	GE Loadtrak IV (Mark IV Speedtronic)
Function	Motor relay & protection controller
Monitoring Capabilities	Current, temperature, phase conditions
Protection Functions	Overload, ground fault, phase loss, imbalance
Architecture	Multi-board internal design
Installation	Rack or control cabinet integration
Operating Environment	Industrial (power plants, heavy machinery)

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Structure & Composition

The module is built as a multi-layer industrial PCB assembly, typically consisting of:

• Three internal circuit boards for distributed processing
• Signal acquisition circuits for current and temperature inputs
• Embedded logic components for protection algorithms
• Relay/output interface for trip and alarm signals
• Industrial-grade connectors for system integration

This robust design ensures high resistance to vibration, electrical noise, and harsh operating conditions.

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Key Features

• Multifunction Protection in One Unit: Combines multiple motor protection features
• High Reliability Design: Built for continuous operation in critical systems
• Fast Response Time: Immediate reaction to abnormal electrical conditions
• Integrated Monitoring & Control: Reduces need for separate protection devices
• Compatibility with Mark IV Systems: Seamless integration into GE turbine control platforms

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Application Areas

The DS3820LT4E.1D1A is widely used in:

• Gas and steam turbine auxiliary systems
• Power generation plants
• Industrial motor protection systems
• Oil & gas processing facilities
• Heavy manufacturing and automation systems

It is particularly valuable in applications where motor failure could lead to costly downtime or safety risks.

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Installation & Maintenance

Installation:

• Installed within GE Mark IV control cabinets
• Requires proper wiring for current transformers (CTs) and temperature sensors
• Must be configured according to system protection requirements

Maintenance:

• Periodic inspection of electrical connections and signal inputs
• Functional testing of protection features
• Replacement or refurbishment available with warranty support
• Ensure proper cooling and environmental protection

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Additional Advantages

• Enhances system safety by preventing catastrophic motor failures
• Supports predictive maintenance through continuous monitoring
• Reduces overall system complexity by combining multiple protection functions
• Long lifecycle with repair and refurbishment options available

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Summary

The GE DS3820LT4E.1D1A Loadtrak IV Module is a critical motor protection and control solution within GE Speedtronic systems. With its multifunction capabilities, robust design, and high reliability, it ensures safe and efficient operation of motors and rotating equipment in demanding industrial environments.

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Xingruijia

Consult now 

·Manager: Jinny                                         ·E-mail: sales1@xrjdcs.com     

·Tel: + 86-15359273791（WhatsApp）   ·Wechat: + 86-15359273791

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