Product Introduction

The Schneider LTMR27EFM Motor Controller Module is an advanced motor management solution from the TeSys T series, designed to deliver intelligent protection, monitoring, and control for industrial motor applications. Supporting Ethernet/IP and Modbus TCP communication, this controller enables seamless integration with modern automation architectures, allowing PLCs and supervisory systems to access real-time motor information.

With a current measurement range of 1.35 to 27 A and a 100 to 240 VAC supply voltage, the LTMR27EFM provides flexible application coverage for many industrial motor systems. Its built-in protection functions help safeguard motors against overload conditions, phase faults, and other abnormal operating states while improving system availability.

Designed for intelligent machine automation and process control environments, the LTMR27EFM combines compact installation, advanced diagnostics, and network communication capability, making it a valuable choice for engineers seeking reliable motor management performance.

Technical Specifications

Specification	Details
Manufacturer	Schneider Electric
Model	LTMR27EFM
Product Type	Motor Controller Module
Product Range	TeSys T
Application	Motor Management and Protection
Communication Protocol	Ethernet/IP, Modbus TCP
Communication Interface	Ethernet RJ45
Rated Supply Voltage	100 to 240 VAC, 50/60 Hz
Current Measurement Range	1.35 to 27 A
Logic Inputs	6 Inputs
Logic Outputs	3 Outputs
Protection Functions	Overload, Phase Failure, Phase Unbalance, Earth Leakage, Locked Rotor
Control Method	Terminal Strip, HMI, Communication Port
Insulation Voltage	690 V
Installation Type	Control Cabinet / DIN Rail Mounting
Dimensions	Approx. 120 mm × 45 mm × 117 mm
Weight	Approx. 0.65 kg

Recommended Companion Models

Model	Product Name
LTMR08MBD	TeSys T Motor Controller Module 0.35–8A Modbus
LTMR100MFM	TeSys T Motor Controller Module 5–100A Ethernet
LTM9CU10FM	TeSys T Control Terminal Module
LTMEV40FM	TeSys T Voltage Measurement Expansion Module

Frequently Selected Alternatives

Model	Product Name
LTMTEFM	TeSys Tera Electronic Motor Relay Main Unit Ethernet TCP/IP
LTMTCTV25UT	TeSys Tera Current Sensor Module 2.5–25A
LTMR27MFM	TeSys T Motor Controller Module Modbus Version
LTMR100EFM	TeSys T Motor Controller Module Ethernet 5–100A

Where It Excels in Industrial Use

Industrial motor management systems requiring advanced protection and monitoring
Pump, fan, compressor, and conveyor motor control applications
Critical process equipment requiring real-time motor diagnostics
Factory automation systems with Ethernet-based communication networks
Water treatment, HVAC, and infrastructure motor applications
OEM machine systems requiring integrated motor protection solutions
Process industries where predictive maintenance and fault analysis are important
Control cabinets requiring compact intelligent motor management solutions

Key Strengths at a Glance

Part of the Schneider Electric TeSys T intelligent motor management platform
Supports Ethernet/IP and Modbus TCP communication protocols
Provides motor monitoring, control, and protection functions
Wide current measurement range from 1.35 A to 27 A
100 to 240 VAC supply voltage compatibility
Integrated thermal overload, phase failure, overload, and earth fault protection
Six logic inputs and three logic outputs for flexible control integration
Supports HMI, PLC, and communication-based motor control strategies

Technical FAQs

1. What is the primary function of the Schneider LTMR27EFM?

The LTMR27EFM is an intelligent motor controller from the TeSys T range, designed to provide motor monitoring, protection, control, and communication functions in industrial automation systems.

2. Which communication protocols are supported by the LTMR27EFM?

The LTMR27EFM supports Ethernet/IP and Modbus TCP communication protocols through its Ethernet interface, allowing integration with PLCs, SCADA systems, and industrial networks.

3. What motor current range does the LTMR27EFM support?

The controller supports motor current measurement from 1.35 A to 27 A, making it suitable for a wide range of low and medium-power motor applications.

4. What protection functions are available in the LTMR27EFM?

The module provides multiple motor protection features including thermal overload protection, phase failure detection, phase unbalance monitoring, locked rotor protection, overload protection, and earth leakage protection.

5. Can the LTMR27EFM communicate directly with a PLC?

Yes. Through Ethernet/IP or Modbus TCP communication, the controller can exchange motor status information, alarms, diagnostics, and control commands with industrial PLC systems.

6. Does the LTMR27EFM support remote monitoring?

Yes. The communication capability allows remote access to motor operating data, fault records, and diagnostic information within connected automation networks.

7. Is the LTMR27EFM suitable for harsh industrial environments?

Yes. The TeSys T platform is designed for demanding industrial applications requiring reliable motor protection, monitoring, and process continuity.

8. How does the LTMR27EFM improve motor reliability?

By continuously monitoring electrical conditions and operating parameters, the controller helps detect abnormal conditions early and reduce unexpected motor failures.

9. Does the LTMR27EFM require additional expansion modules?

The controller can operate as a complete motor management device, while optional expansion modules can add additional measurement capabilities such as voltage, power, and energy monitoring.

10. What type of applications commonly use the LTMR27EFM?

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

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