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Description
LTMR08PFMMain Range TeSys Product name TeSys T Device short name LTMR Product or component type Motor controller Device application Equipment monitoring and control Measurement current 0. 48 A [Us] rated supply voltage 100 240 V AC 50 60 Hz Current consumption 8 62. 8 mA Supply voltage limits 93. 5264 V AC Communication port protocol Profibus DP Bus type Profibus DP polarised 2 wire RS485 interface, addressing 1 125, transmission rate 9. 6 kbit s 12 Mbit s,
Main
| Range | TeSys |
| Product name | TeSys T |
| Device short name | LTMR |
| Product or component type | Motor controller |
| Device application | Equipment monitoring and control |
| Measurement current | 0.4…8 A |
| [Us] rated supply voltage | 100...240 V AC 50/60 Hz |
| Current consumption | 8...62.8 mA |
| Supply voltage limits | 93.5…264 V AC |
| Communication port protocol | Profibus DP |
| Bus type | Profibus DP polarised 2-wire RS485 interface, addressing 1...125, transmission rate 9.6 kbit/s...12 Mbit/s, SUB-D 9 with 2 shielded twisted pairs, type A Profibus DP polarised 2-wire RS485 interface, addressing 1...125, transmission rate 9.6 kbit/s...12 Mbit/s, terminal block with 2 shielded twisted pairs, type A |
Complementary
| [Ui] rated insulation voltage | 690 V conforming to EN/IEC 60947-1 690 V conforming to CSA C22.2 No 14 690 V conforming to UL 508 |
| [Uimp] rated impulse withstand voltage | 4 kV supply, inputs and outputs conforming to EN/IEC 60947-4-1 6 kV current or voltage measurement circuit conforming to EN/IEC 60947-4-1 0.8 kV communication circuit conforming to EN/IEC 60947-4-1 |
| Short-circuit withstand | 100 kA conforming to EN/IEC 60947-4-1 |
| Associated fuse rating | 4 A gG for output 0.5 A gG for control circuit |
| Protection type | Locked rotor Overload Phase unbalance Phase failure Earth-leakage protection Reverse polarity protection Load fluctuation Thermal protection Power factor variation Thermal overload protection Overload (long time) |
| Network and machine diagnosis type | Phase fault and earth fault trip counters Trip history information Starting current and time Fault recording Waiting time after overload tripping Event recording Motor control command recording Running hours counter/operating time Trip context information Remaining operating time before overload tripping |
| Logic input number | 6 |
| Input current | 3.1 mA at 100 V 7.5 mA at 240 V |
| Current state 0 guaranteed | Logic input: 0...40 V and <= 15 mA for 25 ms |
| Current state 1 guaranteed | Logic input: 79...264 V and >= 2 mA for 25 ms |
| Maximum output switching frequency | 2 Hz |
| Load current | 5 A at 250 V AC for logic output 5 A at 30 V DC for 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 Earth-fault current Temperature Imbalance current Phase current I1, I2, I3 RMS |
| Measurement accuracy | 5...15 % earth fault current internal measurement (for current > 0.1 A) 1 % voltage (100...830 V) 3 % power factor (cos φ > 0.6) 5 % earth fault current external measurement (< 5 % or 0.01 A) +/- 30 min/year internal clock 0,02 temperature 1 % current 5 % active and reactive power |
| Overvoltage category | III |
| Connection pitch | 5.08 mm |
| Connections - terminals | Control circuit: connector 1 cable(s) 0.25…2.5 mm² (AWG 24...AWG 14) flexible with cable end Control circuit: connector 1 cable(s) 0.2…2.5 mm² (AWG 24...AWG 14) flexible without cable end Control circuit: connector 1 cable(s) 0.25…2.5 mm² (AWG 24...AWG 14) flexible without cable end Control circuit: connector 1 cable(s) 0.2…2.5 mm² (AWG 24...AWG 14) solid without cable end Control circuit: connector 2 cable(s) 0.2…1 mm² (AWG 24...AWG 14) flexible with cable end Control circuit: connector 2 cable(s) 0.2…1.5 mm² (AWG 24...AWG 14) flexible without cable end Control circuit: connector 2 cable(s) 0.5…1.5 mm² (AWG 24...AWG 14) flexible without cable end Control circuit: connector 2 cable(s) 0.2…1 mm² (AWG 24...AWG 14) solid without cable end |
| Tightening torque | Control circuit: 0.5…0.6 N.m flat screwdriver 3 mm |
| Pollution degree | 3 |
| Electromagnetic compatibility | Electrostatic discharge, 3, 8 kV air, 6 kV contact, conforming to EN/IEC 61000-4-2 Radiated RF fields, 3, 10 V/m, conforming to EN/IEC 61000-4-3 Fast transients immunity test (other circuits), level 3, 2 kV, conforming to EN/IEC 61000-4-4 Fast transients immunity test (on supply and relay outputs), level 4, 4 kV, conforming to EN/IEC 61000-4-4 Voltage dips and interruptions immunity test, 70 %, 500 ms, conforming to EN/IEC 61000-4-11 Conducted RF disturbances, 10 V, conforming to EN/IEC 61000-4-6 Temperature sensor: surges (serial mode), 0.5 kV, conforming to EN/IEC 61000-4-5 Temperature sensor: surges (common mode), 1 kV, conforming to EN/IEC 61000-4-5 Control circuit: surges (serial mode), 1 kV, conforming to EN/IEC 61000-4-5 Communication: surges (common mode), 2 kV, conforming to EN/IEC 61000-4-5 Relay outputs and supply: surges (serial mode), 2 kV, conforming to EN/IEC 61000-4-5 Relay outputs and supply: surges (common mode), 4 kV, conforming to EN/IEC 61000-4-5 Control circuit: surges (common mode), 2 kV, conforming to EN/IEC 61000-4-5 |
| Width | 91 mm |
| Height | 61 mm |
| Depth | 122.5 mm |
| Net weight | 0.53 kg |
| Web services | Web server |
| Compatibility code | LTMR |
Environment
| Standards | UL 508 IEC 60947-4-1 EN 60947-4-1 IACS E10 CSA C22.2 No 14 |
| Product certifications | CSA C-Tick UL CCC LROS (Lloyds register of shipping) NOM ABS GL EAC BV DNV RINA RMRoS ATEX KERI |
| Protective treatment | 12 x 24 hour cycles conforming to EN/IEC 60068-2-30 48 h conforming to EN/IEC 60070-2-11 TH conforming to EN/IEC 60068 |
| Fire resistance | 650 °C conforming to EN/IEC 60695-2-12 960 °C conforming to UL 94 |
| Ambient air temperature for operation | -20…60 °C |
| Ambient air temperature for storage | -40…80 °C |
| Operating altitude | <= 2000 m without derating |
| Mechanical robustness | Vibrations mounted on symmetrical rail: 1 Gn, 5...300 Hz conforming to EN/IEC 60068-2-6 Vibrations plate mounted: 4 Gn, 5...300 Hz conforming to EN/IEC 60068-2-6 Shocks half sine wave acceleration: 15 Gn for 11 ms conforming to EN/IEC 60068-2-27 |
| IP degree of protection | IP20 |
Offer Sustainability
| Sustainable offer status | Green Premium product |
| REACh Regulation | REACh Declaration |
| EU RoHS Directive | Under investigation |
| Mercury free | Yes |
| RoHS exemption information | Yes |
| China RoHS Regulation | China RoHS declaration |
| Environmental Disclosure | Product Environmental Profile |
| Circularity Profile | End of Life Information |
| WEEE | The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins |
Contractual warranty
| Warranty | 18 months |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 17 reviews
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Product Reviews
★★★★★ 5
Works great, easy, convenient, safe and priced right
Color: Black
This warmer is just amazing. I tend to nurse a mug of tea from morning to night. This warmer has three different temperatures. I always start out at the high 167 but as I drink my tea and there’s less than a cup, I drop it to 149, and when it gets lower, I can drop it to 131. Keeps it at the right temperature all day long. One of the other things I love about it is that if I leave and forget that I still had some tea sitting there, it turns itself off after four hours. It is so convenient to use because you don’t have to turn it on or off. You just set your cup down on it and it automatically returns to the last temperature you used. I bought my first one in 2021 and now have five of them. I keep one in my bedroom, one in my family room for when I’m watching TV, one at my office desk, one at my partner‘s desk in his man cave, and one in the camper. I’ve tried many different brands and styles in the past and I can assure you this is the best. Enjoy.
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Reviewed in the United States on November 18, 2025
★★★★★ 5
Game changer for hot drinks
Color: Black
This coffee mug warmer works great and keeps my coffee at the perfect temperature without overheating. Love the choice in temperatures feature. It’s simple to use, heats quickly, and fits my mugs well. A great upgrade for enjoying hot coffee longer at my work desk.
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Reviewed in the United States on January 4, 2026
★★★★★ 5
THE ABSOLUTE BEST MUG WARMER! WORKS PERFECTLY!
Color: Black
This is the best mug warmer I've ever had! It's sleek, keeps drink hot or even warm if that's what you prefer. I bought two, my niece liked mine so much she got one, and I'm getting one for my guest who comes to my house.
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Reviewed in the United States on December 24, 2025
★★★★★ 4
YEOSEN 3 Temperature Mug Warmer
Color: Black
Wow! There really are warmer mug warmers than lukewarm! This is one of them. Who wants lukewarm coffee? The YEOSEN 3 Temperature Mug Warmer on the MEDIUM temperature setting keeps my coffee HOT enough. Not lukewarm, or barely warm (even at the bottom of the cup). In fact, I use the lower temp. settings, while the level of liquid goes down. The lowest temperature is HOT enough ...not lukewarm. It's not burning, but HOT.
I bought it because the reviews said it kept the coffee much warmer than lukewarm. And it does.
The point is, when I walk away from my desk for 15 minutes, the temperature of my coffee is still satisfyingly hot. After all, what is lukewarm? It's a few degrees above normal body temperature! 137 is hotter than that!
The unit automatically shuts off (the Off-On button is on the bottom of the unit positioned under the hot plate and the weight of the cup pushes the button to turn it on), when you pick up the cup it shuts off.
I don't like the auto shut off button on the bottom of the unit. It shuts off and on every time you take a drink. Lift the cup up and it shuts off, set it back down and it turns back on. Wish you could shut that feature off. A piece of tape? but unplugging it from the wall is inconvenient. Maybe, because it's so much warmer than lukewarm, it needs some kind of safety feature.
But, all in all, I would definitely buy another one.
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Reviewed in the United States on March 19, 2020
★★★★★ 5
BEST mug warmer
Color: Black
This is the best of the many mug warmers available online. It has 3 temperatures. I use the highest - 167 degrees. I like my coffee HOT. With this warmer I don’t have to return to the microwave as often to reheat my coffee. It is very easy to use- takes large mugs as well as regular sized cups. I have looked everywhere for a “flat bottomed” mug . All the mugs I have found have a rim on the bottom which prevents complete contact with the warmer. However the warmer works with the “bottom rimed “ mugs. I use my warmer for the end table by my recliner. I am considering purchasing a second warmer for my desktop. I definitely recommend this as the BEST mug warmer. I have been using it many hours daily for over a month as I am retired. It works fine. I did just purchase a second one. It came the day after I ordered it. Now I can enjoy a hot beverage by my recliner or on my desktop. I purchased a silicone cover/lid for my mug. This really keeps my beverage hot. However when you remove the lid the condensation on the underside of the lid drips. I keep a paper towel/napkin close by to catch the condensation.
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Reviewed in the United States on February 23, 2021