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Description
LUCB18BLMain Range TeSys Product name TeSys U Device short name LUCB Product or component type Advanced control unit Product specific application Basic protection and advanced functions, communication Product compatibility LULC033 LULC07 ASILUFC51 LUFDA01 LULC08 LULC15 LUFW10 LUFC00 LUFV2 LULC031 LUFDH11 LUFN.. LULC09 ASILUFC5 LUFDA10 Utilisation category AC 44 AC 41 AC 43 Motor power kW 15 kW at 690 V AC 50 60 Hz 9 kW at 500 V AC 50 60 Hz 7. 5 kW at 400 440
Main
| Range | TeSys |
| Product name | TeSys U |
| Device short name | LUCB |
| Product or component type | Advanced control unit |
| Product specific application | Basic protection and advanced functions, communication |
| Product compatibility | LULC033 LULC07 ASILUFC51 LUFDA01 LULC08 LULC15 LUFW10 LUFC00 LUFV2 LULC031 LUFDH11 LUFN.. LULC09 ASILUFC5 LUFDA10 |
| Utilisation category | AC-44 AC-41 AC-43 |
| Motor power kW | 15 kW at 690 V AC 50/60 Hz 9 kW at 500 V AC 50/60 Hz 7.5 kW at 400...440 V AC 50/60 Hz |
| Thermal protection adjustment range | 4.5…18 A |
| [Uc] control circuit voltage | 24 V DC |
| Thermal overload class | Class 10 - frequency limit: 40…60 Hz - temperature compensation: -25…70 °C conforming to IEC 60947-6-2 Class 10 - frequency limit: 40…60 Hz - temperature compensation: -25…70 °C conforming to UL 508 |
Complementary
| Main function available | Protection against overload and short-circuit Manual reset Earth fault protection Protection against phase failure and phase imbalance |
| Mounting mode | Plug-in |
| Mounting location | Front side |
| Control circuit voltage limits | 20...27 V for DC circuit 24 V in operation |
| Typical current consumption | 130 mA at 24 V DC I maximum while closing with LUB12 220 mA at 24 V DC I maximum while closing with LUB32 60 mA at 24 V DC I rms sealed with LUB12 80 mA at 24 V DC I rms sealed with LUB32 |
| Operating time | 35 ms opening with LUB12 for control circuit 35 ms opening with LUB32 for control circuit 70 ms closing with LUB12 for control circuit 70 ms closing with LUB32 for control circuit |
| Load type | 3-phase motor - cooling: self-cooled |
| Tripping threshold | 14.2 x Ir +/- 20 % |
| [Ui] rated insulation voltage | 600 V conforming to UL 508 690 V conforming to IEC 60947-1 600 V conforming to CSA C22.2 No 14 |
| [Uimp] rated impulse withstand voltage | 6 kV IEC 60947-6-2 |
| Safe separation of circuit | 400 V SELV between the control and auxiliary circuits conforming to IEC 60947-1 400 V SELV between the control or auxiliary circuit and the main circuit conforming to IEC 60947-1 |
Environment
| Heat dissipation | 3 W for control circuit with LUB32 |
| Immunity to microbreaks | 3 ms |
| Immunity to voltage dips | 70 % / 500 ms conforming to IEC 61000-4-11 |
| Standards | UL 508 type E, with phase barrier EN 60947-6-2 IEC 60947-6-2 CSA C22.2 No 14 type E |
| Product certifications | ABS CCC LROS (Lloyds register of shipping) ATEX ASEFA BV UL GL GOST DNV CSA |
| IP degree of protection | IP20 front panel and wired terminals conforming to IEC 60947-1 IP20 other faces conforming to IEC 60947-1 IP40 front panel outside connection zone conforming to IEC 60947-1 |
| Protective treatment | TH conforming to IEC 60068 |
| Ambient air temperature for operation | -25…70 °C |
| Ambient air temperature for storage | -40…85 °C |
| Operating altitude | 2000 m |
| Fire resistance | 960 °C parts supporting live components conforming to IEC 60695-2-12 650 °C conforming to IEC 60695-2-12 |
| Shock resistance | 10 gn power poles open conforming to IEC 60068-2-27 15 gn power poles closed conforming to IEC 60068-2-27 |
| Vibration resistance | 2 gn, 5…300 Hz, power poles open conforming to IEC 60068-2-6 4 gn, 5…300 Hz, power poles closed conforming to IEC 60068-2-6 |
| Resistance to electrostatic discharge | 8 kV level 3 in open air conforming to IEC 61000-4-2 8 kV level 4 on contact conforming to IEC 61000-4-2 |
| Resistance to radiated fields | 10 V/m 3 conforming to IEC 61000-4-3 |
| Resistance to fast transients | 2 kV class 3 serial link conforming to IEC 61000-4-4 4 kV class 4 all circuits except for serial link conforming to IEC 61000-4-4 |
| Immunity to radioelectric fields | 10 V conforming to IEC 61000-4-6 |
Offer Sustainability
| Sustainable offer status | Green Premium product |
| REACh Regulation | REACh Declaration |
| EU RoHS Directive | Compliant EU RoHS Declaration |
| 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
4.2 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Best option for Sim Racing Ambient Lighting
Item Package Quantity: 2
I picked up these Light Bars from Govee specifically for my sim racing setup to be used for ambient lighting, and they’ve exceeded expectations.
The RGBIC technology is the standout feature. Being able to display multiple colors on each bar at the same time makes the lighting effects far more dynamic than standard RGB strips. During races, the lighting reacts smoothly to telemetry data—RPM, flags, rev limiter, and speed shifts all translate into immersive ambient effects that genuinely add to the experience.
Setup was straightforward, but the real highlight was the seamless SimHub integration. Configuration was quick, and the light bars responded immediately once connected. No complicated workarounds, no lag—just clean, real-time feedback. If you're already using SimHub for dashboards or bass shakers, these integrate perfectly into that ecosystem.
Brightness is more than enough for ambient lighting without being distracting, and the diffusion along the 31-inch bars keeps everything looking clean and professional—no visible LED hotspots. The WiFi connectivity has been stable, and the app gives you plenty of customization options outside of racing as well.
For anyone building a sim rig and wanting that extra layer of immersion, these are absolutely worth it.
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Reviewed in the United States on March 3, 2026
★★★★★ 4
GREAT way to view TV
On initial set up and use of just few days I love this little light bar
I'm 74 and I set this up in less than 10 min. Playing with Govee App took about same time for basic functions.
The backlighting is great and now my room is lighted during night when I sleepwalk to bathroom.
I'll decide later if I want to use adhesive pads. Currently it just sits on TV stand behind TV.
All in all it's great! I would definitely buy again and highly recommend.
Colors in photos are actually less bright in my room. The Govee App allows many many color variations. Just set up and create color palate for favorite colors and patterns. Eezee Peezee
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Reviewed in the United States on March 13, 2025
★★★★★ 5
Most Elegant Buy
Item Package Quantity: 2
Perfect, beautiful designs. Room submerges in colors. Easily installation, plug in and download app. Works perfectly -programs easy. Most compatible to the app.
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Reviewed in the United States on June 30, 2025
★★★★★ 5
Outstanding TV backlight edition
Item Package Quantity: 2, Item Package Quantity: 2
This is an excellent addition to a TV backlight. If you go into the GOVEE app you can sync this device to a TV backlight with a camera. You can add up to five lights.
I recommend this for either a TV backlight or general ambience in the room at night.
UPDATE 2025: I actually have 4 of these.
3 of them I synced with the TV strip light/camera using the GOVEE app for TV watching.
The 4th one I use is on ambience lamp.
These are made very durable/easy to set up. These things are not cheaply made
I highly recommend
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Reviewed in the United States on March 30, 2025
★★★★★ 5
Look nice and were an easy setup.
Item Package Quantity: 2
Simple and do what they are supposed to do. I use them to add a bit of flare to my desktop setup for online meetings, etc. If I had to nitpick, I'd say cabling is always interesting to route to reduce desk clutter, but I am not going to remove a star for what pretty much has to be. They look nice too.
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Reviewed in the United States on February 22, 2026