Shipping Estimate
USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
LUCB12BLMain 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 ASILUFC51 LULC07 LULC031 LULC09 LULC033 LUFN.. LUFC00 LUFDA10 LUFV2 LUFDA01 ASILUFC5 LUFDH11 LULC15 LUFW10 LULC08 Utilisation category AC 41 AC 43 AC 44 Motor power kW 9 kW at 690 V AC 50 60 Hz 5. 5 kW at 400 440 V AC 50 60 Hz 5. 5 kW at
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 | ASILUFC51 LULC07 LULC031 LULC09 LULC033 LUFN.. LUFC00 LUFDA10 LUFV2 LUFDA01 ASILUFC5 LUFDH11 LULC15 LUFW10 LULC08 |
| Utilisation category | AC-41 AC-43 AC-44 |
| Motor power kW | 9 kW at 690 V AC 50/60 Hz 5.5 kW at 400...440 V AC 50/60 Hz 5.5 kW at 500 V AC 50/60 Hz |
| Thermal protection adjustment range | 3…12 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 | Manual reset Protection against phase failure and phase imbalance Protection against overload and short-circuit Earth fault protection |
| 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 | 2 W for control circuit with LUB12 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 | DNV ASEFA LROS (Lloyds register of shipping) BV ATEX GOST CSA CCC UL ABS GL |
| 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
4.9 ★★★★★
Based on 1018 reviews
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Product Reviews
★★★★★ 5
Great product
Style: desk drawer with pen holder
Good finish for the price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
★★★★★ 5
Matches Balolo perfectly
Style: desk drawer with pen holder
Look nice and compliment my Balolo perfectly. Without the ridiculous cost and shipping.
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Reviewed in the United States on May 10, 2026
★★★★★ 4
Stylish and Solid, but Mostly Paying for the Aesthetic
Style: desk drawer with pen holder
Product: Upergo Walnut Desk Tray and Pen Holder
Used for: 7 months
Key Features:
– Attractive walnut wood design
– Solid construction with a premium feel
– Helps organize pens and desk accessories neatly
Ratings:
Quality:
The quality feels very solid overall. The wood and finish look great, and it has held up well over months of use without any noticeable wear or issues.
Rating: 5/5
Performance:
It does exactly what it’s supposed to do. It keeps the desk organized, holds pens and small items well, and adds a clean, professional look to the setup.
Rating: 5/5
Value:
Honestly, it’s pretty pricey for what it is. A lot of the cost feels like it’s going toward the aesthetics and walnut finish rather than functionality.
Rating: 3/5
Pros:
– Looks very clean and premium
– Solid and sturdy build
– Great for desk organization
– Adds a nice aesthetic touch to a setup
Cons:
– Expensive for a fairly simple product
Summary:
The Upergo Walnut Desk Tray and Pen Holder is a well-made and attractive desk accessory that does a great job organizing small items while making a setup look more polished. The build quality is solid and the walnut finish looks great, but the price is definitely on the high side for what is ultimately a simple organizer. If aesthetics matter to you, it’s a nice addition, but you’re definitely paying extra for the look.
Overall Rating: 4/5**
Disclaimer: This review is based on my personal experience using the product. I’m not an expert—just sharing my honest thoughts to help others make an informed decision.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Great, using it now
Style: desk drawer with pen holder
Great, using it now
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Good materials and design
Style: desk drawer with pen holder
Don’t write reviews often. Not a fake/paid elicited review. I just got this and am pleased with the build quality, materials (wood and metal), and design.
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Reviewed in the United States on January 28, 2026