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Brand: Schneider Electric
Schneider Electric LTMR27EFM TeSys T LTMR 1.35-27 A Motor
Description
LTMR27EFM a TeSys T motor management controller for 1.35 to 27 A motors
The LTMR27EFM is a Schneider Electric product listed in the datasheet as: Motor controller, TeSys T, Motor Management, Ethernet/IP, Modbus/ TCP, 6 inputs, 3 outputs, 1.35 to 27A, 100 to 240VAC. The LTMR27EFM is the TeSys T motor management controller for motors from 1.35 to 27 A with a 100 to 240 V AC control supply and an Ethernet interface. It handles both protection and control of a motor feeder and reports detailed data to a PLC or SCADA. Seven Star LLC supplies the LTMR27EFM in Oman and the GCC as an independent supplier based in Muscat.
Decoding the reference: LTMR is the TeSys T controller, 27 is the 27 A upper range, E indicates Ethernet, and FM marks the 100 to 240 V AC supply version. In contrast, the LTMR08EBD covers 0.4 to 8 A with 24 V DC.
Technical specifications of the LTMR27EFM
| Parameter | Specification |
|---|---|
| Manufacturer / part number | Schneider Electric / LTMR27EFM |
| Description | Motor controller, TeSys T, Motor Management, Ethernet/IP, Modbus/ TCP, 6 inputs, 3 outputs, 1.35 to 27A, 100 to 240VAC |
| Range | TeSys |
| Product name | TeSys T |
| Device short name | LTMR |
| Product or Component Type | Motor controller |
| Device Application | Equipment monitoring and control |
| Measurement current | 1.35 to 27 A |
| [Us] rated supply voltage | 100 to 240 V AC 50/60 Hz |
| Current Consumption | 8 to 62.8 mA |
| Supply voltage limits | 93.5 to 264 V AC |
| Communication Port Protocol | Modbus TCP/EtherNet/IP |
| Bus type | Ethernet IEEE 802.3 0 to 159 10 to 100 Mbit/s, RJ45 2 shielded twisted pairs |
| [Ui] rated insulation voltage | 690 V EN/IEC 60947-1; 690 V CSA C22.2 No 14; 690 V UL 508 |
| [Uimp] rated impulse withstand | 4 kV supply, inputs and outputs EN/IEC 60947-4-1 |
| voltage | 6 kV current or voltage measurement circuit EN/IEC 60947-4-1; 0.8 kV communication circuit EN/IEC 60947-4-1 |
| Short-circuit withstand | 100 kA conforming to EN/IEC 60947-4-1 |
| Associated fuse rating | 4 A gG output; 0.5 A gG control circuit |
| Protection Type | Phase unbalance; Earth-leakage protection; Thermal protection; Reverse polarity protection; Power factor variation; Overload; Load fluctuation |
| Network and machine diagnosis | Event recording |
| type | Trip context information; Phase fault and earth fault trip counters; Trip history information; Waiting time after overload tripping |
| Logic input number | 6 |
| Input current | 3.1 mA 100 V; 7.5 mA 240 V |
| Current state 0 guaranteed | Logic input 0 to 40 V <= 15 mA 25 ms |
| Current state 1 guaranteed | Logic input 79 to 264 V >= 2 mA 25 ms |
| maximum output switching | 2 Hz |
| Load current | 5 A 250 V AC logic output; 5 A 30 V DC logic output |
| Permissible power | 480 VA AC-15, Ie = 2 A, 500000 cycles output; 30 W DC-13, Ie = 1.25 A, 500000 cycles output |
| maximum operating rate | 1800 cyc/h |
| Contacts type and composition | 1 NO + 1 NC fault signal; 3 NO |
| Metering type | Average current Iavg; Phase current I1, I2, I3 RMS; Imbalance current; Earth-fault current; Temperature |
| Measurement accuracy | 5 to 15 % earth fault current internal measurement; 1 % voltage 100 to 830 V; 3 % power factor; 5 % earth fault current external measurement |
| Overvoltage category | III |
| Connection pitch | 5.08 mm |
| Connections – terminals | Control circuit connector 1 0.25 to 2.5 mm² 24 AWG–14; AWGflexible with cable end; Control circuit connector 1 0.2 to 2.5 mm² 24 AWG–14 |
| Pollution degree | 3 |
| Electromagnetic compatibility | Electrostatic discharge, 3, 8 kV air, 6 kV contact, conforming to EN/IEC 61000-4-2 |
| Width | 91 mm |
| Height | 61 mm |
| Depth | 122.5 mm |
| Net Weight | 0.53 kg |
| Web services | Web server |
Data and protection of the LTMR27EFM
Supply voltage: 100 to 240 V AC 50/60 Hz. Supply voltage limits: 93.5 to 264 V AC. Contacts: 1 NO + 1 NC fault signal; 3 NO. Communication protocols: Modbus TCP/EtherNet/IP.
The unit measures phase currents, average current, imbalance, earth-fault current and voltages, and provides protection functions such as thermal overload, phase unbalance, earth-leakage and reverse phase. Insulation is rated 690 V and the short-circuit withstand 100 kA in the datasheet.
Six logic inputs accept 100 to 240 V AC, and three NO outputs plus a fault contact switch up to 5 A. The datasheet lists a maximum operating rate of 1800 cycles per hour and a maximum output switching rate of 2 Hz.
Selecting the LTMR27EFM versus smaller ranges
The 27 A range suits motors in the roughly 5.5 to 11 kW class on 400 V, covering a large share of pump and fan drives. For smaller motors, the 8 A unit gives finer current resolution and a lower trip setting.
The AC supply version is convenient when the control panel has 230 V AC available and no 24 V DC bus in the motor control centre. Because the controller is discontinued, confirm the replacement path with the project.
The datasheet downloaded for this page carries lifecycle notices: Discontinued on: Oct 30, 2026; To be end-of-service on: Jan 31, 2027. For a plant that already runs this reference that makes the LTMR27EFM a spare-and-replacement item, and it is worth fixing the stock level and the long-term successor plan at the same time. We can discuss compatible alternatives once we know the installation.
Selection checklist for the LTMR27EFM
- Motor current range: 1.35 to 27 A and the full-load current.
- Supply: 100 to 240 V AC, 50/60 Hz.
- Network: EtherNet/IP and Modbus TCP.
- Inputs: logic inputs at AC voltage, check control voltage.
- Contactor: coil rating and interface with the outputs.
- Environment: motor control centre temperature.
Commissioning the LTMR27EFM
After wiring, power the controller and set the motor data, trip class and control mode. Confirm that inputs and outputs respond correctly with the motor uncoupled.
Use the stored event record and counters to understand how the motor has been running. Alarm thresholds can warn about thermal load before a trip causes a process stop.
Typical applications of the LTMR27EFM in Oman and the GCC
In Oman and the GCC, TeSys T is applied to critical pump and fan motors in water, desalination and process plants, where early warning of overload prevents unplanned stoppage. The AC supply version fits MCCs built to local practice.
Dimensions, environment and approvals of the LTMR27EFM
For the LTMR27EFM, plan the mounting space from the datasheet: 91 mm (W) x 61 mm (H) x 122.5 mm (D). The LTMR27EFM weighs 0.53 kg. Mounting, derating and enclosure choices follow the environmental data below, which should be compared with the actual panel temperature and the dust and humidity of the site in Oman and the GCC.
Ambient temperature limits in the datasheet: -20 to 60 °C. Ingress protection: IP20. Operating altitude: <= 2000 m without derating. Standards listed: IACS E10; UL 508; IEC 60947-4-1; EN 60947-4-1; CSA C22.2 No 14. Certifications listed for this reference: EAC; DNV; BV; C-tick; CCC; ABS; RINA; RMRoS; CSA; NOM; LROS (Lloyds register of shipping); UL; KERI; GL; ATEX.
Information to send with an RFQ for the LTMR27EFM
- Full reference and quantity required
- Existing equipment, panel or rack it must fit
- Supply voltage, load or signal details of the application
- Required delivery location and timing
- Whether a spare, a replacement or a new installation
Documents and quotation
A datasheet for this product is attached on this page. It lists the electrical, mechanical and environmental data summarised above.
Send us the part number, quantity and application and we will confirm availability and a quotation. Seven Star LLC is an independent supplier in Muscat and does not represent itself as an official channel of the manufacturer.
Other Models in the Se Ltmr Range
Seven Star LLC supplies models from the Se Ltmr range in Oman and the GCC. Compare the related models below and request a quote for the one that matches your application.
| Model | Category | |
|---|---|---|
| Schneider Electric LTMR08EBD TeSys T LTMR 0.4-8 A Motor | Contactors & Overload Relays | View details |
| Schneider Electric LTMR27EFM TeSys T LTMR 1.35-27 A Motor | Contactors & Overload Relays | You are viewing this model |
| Schneider Electric LTMCU TeSys T LTMCU Operator Control Unit | Automation Accessories | View details |
Datasheets & Documents
- Datasheet Schneider Electric LTMR27EFM Datasheet Download
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About brand
Schneider Electric is the French group for energy management and industrial automation: low and medium voltage switchgear and circuit breakers, motor control, drives, PLCs, power monitoring, UPS systems and building management. Its history goes back to 1836, when the brothers Adolphe and Eugène Schneider took over the iron and steel works at Le Creusot in Burgundy. Over the 20th century the company left steel and heavy engineering and became an electrical group through acquisitions such as Merlin Gerin, Télémécanique, Square D and Modicon. Its head office is in Rueil-Malmaison near Paris, and its shares are listed on Euronext Paris.
Schneider Electric company profile
| Origins | 1836, Le Creusot, France: Adolphe and Eugène Schneider take over the Le Creusot foundry |
|---|---|
| Headquarters | Rueil-Malmaison (Paris region), France |
| Ownership | Public company listed on Euronext Paris |
| Key acquisitions | Télémécanique (1988), Square D (1991), Merlin Gerin (1992), Modicon (1997), APC (2007), Invensys (2014); majority owner of AVEVA software |
| Brand names still in use | Acti9, ComPacT and MasterPacT breakers, TeSys motor control, Altivar drives, Altistart soft starters, Modicon PLCs, Harmony control components, PowerLogic and Easergy protection and metering, APC UPS, EcoStruxure software platform |
| Product families | Low voltage distribution, medium voltage switchgear and protection relays, motor control and drives, PLCs and HMIs, power meters, UPS and cooling, enclosures, building automation and energy software |
Milestones
- 1836: The Schneider brothers acquire the Le Creusot works; the business grows in steel, locomotives and heavy engineering.
- 1975: First investment in Merlin Gerin, a French maker of electrical distribution equipment.
- 1988–1992: Télémécanique, Square D (USA) and Merlin Gerin join the group, making it an electrical specialist.
- 1997: Modicon, the company behind the first programmable logic controller, joins the group.
- 1999: The group takes the name Schneider Electric.
- 2007 and 2014: APC (UPS and data centre power) and Invensys (process automation) are acquired.
Choosing Schneider Electric breakers and motor control
Circuit breakers are chosen by current and breaking capacity. Acti9 miniature circuit breakers (iC60, C120) protect final circuits up to 125 A. ComPacT NSX molded case breakers cover about 16 to 630 A, and the letter after the frame size sets the breaking capacity: B, F, N, H, S, L from lowest to highest. MasterPacT air circuit breakers are used as main incomers on large switchboards. For motors, a TeSys contactor with an LRD overload relay or a GV2 motor circuit breaker suits direct starting, an Altistart soft starter reduces starting current, and an Altivar drive controls speed. The breaking capacity must always be at least the prospective short-circuit current at the point of installation.
Where Schneider Electric products are used
In Oman and the GCC, Schneider Electric equipment is found in main and sub-main switchboards of commercial and residential buildings, motor control centres in water, oil and gas and industrial plants, substations protected by Sepam and Easergy relays, data centres powered by Galaxy and APC UPS systems, and buildings controlled by EcoStruxure Building Operation.
APC by Schneider Electric: UPS and critical power
Since 2007, APC has been part of Schneider Electric and is now its product brand for uninterruptible power supplies, replacement batteries, battery packs, network management cards and rack power distribution. Our APC catalogue covers Smart-UPS line-interactive and on-line models, Easy UPS On-Line, the modular Symmetra LX, RM and PX ranges, Silcon three-phase systems and their spare part kits, and the RBC cartridges that keep them running. Schneider Electric breakers, drives and PLCs can be quoted together with APC UPS systems in one request.
Schneider Electric products we list
| Family | Examples |
|---|---|
| Circuit breakers | Acti9 iC60N, C120N, NSX100F, NSX250N, NSX630, EasyPact EZC, MasterPacT MTZ1, MasterPacT NW |
| Motor control | TeSys Deca LC1D, TeSys F, LRD overload relay, GV2ME08, Altistart 22, Altistart 480 |
| Drives | Altivar 12, Altivar 320, ATV340, Altivar Process 630, ATV930, Lexium 32 servo |
| PLCs, HMIs and relays | Modicon M221, M241, M580 BMEP582040, Zelio Logic, Magelis HMISTU655 |
| Protection, metering and power | Sepam series 20, Easergy P3U30, MiCOM P139, PM5560, iEM3255, Galaxy VS UPS |
Ordering Schneider Electric products: what we need
Send the commercial reference from the label (for example LC1D18M7 or ATV320U22N4C). For breakers, confirm the rated current, number of poles, breaking capacity and trip unit. For contactors, give the coil voltage. For drives, give the motor power and supply voltage. APC products are listed on their own brand page.
Facts checked against Schneider Electric's published company history, October 2026.
Browse Schneider Electric products by category: Circuit Breaker, Electrical & Power Modules, AC Drives, PLC & I/O Cards, Metering Systems, UPS and Batteries.
FAQ
Questions about the Schneider Electric LTMR27EFM TeSys T LTMR 1.35-27 A
Answers from our engineering team on installation, compatibility and integration.
01What current range does the LTMR27EFM measure?
The datasheet gives 1.35 to 27 A.
02What supply does the LTMR27EFM use?
The datasheet gives 100 to 240 V AC 50/60 Hz.
03What is the short-circuit withstand of the LTMR27EFM?
The datasheet gives 100 kA conforming to EN/IEC 60947-4-1.
04What communication does the LTMR27EFM list?
The datasheet lists Modbus TCP/EtherNet/IP.
05What is the net weight of the LTMR27EFM?
The datasheet gives 0.53 kg.
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