Product Introduction

The Schneider LTMR100MFM Motor Controller Module is an intelligent motor management solution from the TeSys T series, designed for demanding industrial applications requiring reliable motor protection, monitoring, and communication. With a 5–100 A current measurement range and Modbus RS485 communication, it enables seamless integration into modern automation systems.

Developed for critical motor-driven equipment, the LTMR100MFM provides comprehensive protection functions while allowing control through terminal connections, HMI interfaces, or industrial communication networks. Its advanced diagnostic capability helps reduce unexpected downtime by identifying abnormal motor operating conditions before failures occur.

The controller’s modular architecture also supports optional expansion modules for additional electrical monitoring features, making it suitable for applications where operational visibility, predictive maintenance, and process reliability are essential.

Technical Specifications

Specification	Details
Manufacturer	Schneider Electric
Model	LTMR100MFM
Product Type	Motor Controller Module
Product Range	TeSys T
Application	Motor Management, Monitoring and Protection
Communication Protocol	Modbus RTU
Communication Interface	RS485 Serial Interface
Motor Current Range	5–100 A
Rated Supply Voltage	100–240 VAC, 50/60 Hz
Logic Inputs	6 Inputs
Logic Outputs	3 Outputs
Rated Insulation Voltage	690 V
Protection Functions	Thermal Overload, Overload, Locked Rotor, Phase Failure, Phase Unbalance, Earth Leakage
Control Methods	Terminal Strip, HMI, Communication Port
Expansion Capability	Voltage, Power and Energy Measurement Modules
Mounting Type	DIN Rail / Panel Mount
Protection Rating	IP20
Dimensions (H × W × D)	Approx. 122.5 mm × 91 mm × 61 mm
Weight	Approx. 0.65 kg

Recommended Companion Models

Model	Product Name
LTMR100EFM	TeSys T Motor Controller Ethernet/IP Modbus TCP 5–100A
LTMCU	TeSys T Operator Control Unit
LTMEV40FM	TeSys T Voltage Measurement Expansion Module
LTM9CU10FM	TeSys T Control Terminal Module

Frequently Selected Alternatives

Model	Product Name
LTMR27MFM	TeSys T Motor Controller Modbus 1.35–27A
LTMR08MFM	TeSys T Motor Controller Modbus 0.35–8A
LTMR100EFM	TeSys T Ethernet Motor Controller 5–100A
LTMTMFM	TeSys Tera Electronic Motor Relay Main Unit Modbus

Where It Excels in Industrial Use

Industrial motor management systems requiring advanced protection and diagnostics
Pumps, fans, compressors, and conveyor motor control applications
Critical process equipment requiring continuous motor monitoring
Water treatment, HVAC, and infrastructure automation systems
Factory automation lines with centralized PLC supervision
OEM machinery requiring intelligent motor protection solutions
Heavy-duty motor starter applications with communication requirements
Industrial control panels requiring compact motor management integration

Key Strengths at a Glance

Designed for Schneider Electric TeSys T intelligent motor management systems
Supports Modbus RTU communication through RS485 interface
Handles motor current ranges from 5 A to 100 A
Provides advanced motor protection, monitoring, and control functions
Includes 6 logic inputs and 3 logic outputs for flexible automation integration
Supports 100–240 VAC supply voltage operation
Enables control through terminal strip, HMI, or communication network
Optional expansion modules add voltage, power, and energy measurement capability

Technical FAQs

1. What is the primary function of the Schneider LTMR100MFM?

The LTMR100MFM is an intelligent TeSys T motor controller designed to provide motor monitoring, protection, and control functions for industrial motor management applications.

2. What motor current range does the LTMR100MFM support?

The controller supports motor current measurement from 5 A to 100 A, making it suitable for medium-power industrial motor applications.

3. Which communication protocol does the LTMR100MFM use?

The LTMR100MFM uses Modbus communication through an RS485 serial interface for connection with PLC systems, HMIs, and supervisory control platforms.

4. What protection functions are available in the LTMR100MFM?

The module provides protection functions including thermal overload, overload, locked rotor detection, phase failure, phase unbalance, earth leakage protection, and load fluctuation monitoring.

5. Can the LTMR100MFM communicate directly with a PLC?

Yes. Through its Modbus RS485 interface, the controller can exchange motor status data, alarms, diagnostics, and control commands with compatible PLC systems.

6. Does the LTMR100MFM support remote motor monitoring?

Yes. The communication interface allows operators and automation systems to access motor operating information, fault history, and diagnostic parameters remotely.

7. How many digital inputs and outputs does the LTMR100MFM provide?

The controller includes 6 logic inputs and 3 logic outputs for flexible integration with external control circuits.

8. Can the LTMR100MFM measure electrical parameters beyond current?

Yes. Optional TeSys T expansion modules can extend the system with voltage, power, and energy measurement functions.

9. What applications commonly use the LTMR100MFM?

Typical applications include industrial pumps, compressors, fans, conveyors, production equipment, and other motor-driven systems requiring intelligent protection.

10. Why choose the LTMR100MFM instead of a traditional motor relay?

The LTMR100MFM combines motor protection, diagnostics, communication, and control functions in one intelligent device, helping improve equipment reliability and maintenance efficiency.

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