
LUCD12B
Schneider Electric Advanced control unit, TeSys Ultra, 3A to 12A, 3P motors, protection & diagnostic, class 20, coil 24VAC.
Show Specifications
Main Characteristics
| Lifecycle status | Discontinued by the manufacturer |
|---|---|
| Range | TeSys |
| Range of Product | TeSys Ultra |
| Product name | TeSys Ultra |
| Product or Component Type | Advanced control unit |
| Device Application | Motor control; Motor protection |
| Product Specific Application | Basic protection and advanced functions, communication |
| Main function available | Earth fault protection; Protection against phase failure and phase imbalance; Protection against overload and short-circuit; Manual reset |
| Product compatibility | Power base LUB12; Power base LUB32; Power base LUB38; Power base LUB120; Power base LUB320; Power base LUB380; Reversing contactor breaker LU2B12B; Reversing contactor breaker LU2B32B |
| [Ue] rated operational voltage | 690 V AC |
| Network frequency | 40...60 Hz |
| Load type | 3-phase motor self-cooled |
| Utilisation category | AC-44; AC-43; AC-41 |
| Motor power kW | 5.5 kW 400...440 V AC 50/60 Hz; 5.5 kW 500 V AC 50/60 Hz; 9 kW 690 V AC 50/60 Hz |
| Rated motor current adjustment range | 3…12 A |
| Thermal overload class | Class 20 40…60 Hz -13…158 °F (-25…70 °C) IEC 60947-6-2; Class 20 40…60 Hz -13…158 °F (-25…70 °C) UL 508 |
| Tripping threshold | 14.2 x Ir +/- 20 % |
| Phase failure sensitivity | Yes |
| [Uc] control circuit voltage | 24 V AC |
Technical Data
| Control circuit voltage limits | 20...26.5 V AC 24 V in operation; 14.5 V AC 24 V drop-out |
|---|---|
| Typical current consumption | 140 mA 24 V AC I maximum while closing with LUB12; 220 mA 24 V AC I maximum while closing with LUB32; 220 mA 24 V AC I maximum while closing with LUB38; 70 mA 24 V AC I rms sealed with LUB12; 90 mA 24 V AC I rms sealed with LUB32; 90 mA 24 V AC I rms sealed with LUB38 |
| Heat dissipation | 2 W control circuit with LUB12; 3 W control circuit with LUB32; 3 W control circuit with LUB38 |
| Operating time | 35 ms opening with LUB12 control circuit; 35 ms opening with LUB32 control circuit; 35 ms opening with LUB38 control circuit; 70 ms closing with LUB12 control circuit; 70 ms closing with LUB32 control circuit; 70 ms closing with LUB38 control circuit |
| Reset | Manual reset |
| Standards | EN 60947-6-2; IEC 60947-6-2; UL 60947-4-1, with phase barrier; CSA C22.2 No 60947-4-1, with phase barrier |
| Product Certifications | CE; UL; CSA; CCC; EAC; ASEFA; ATEX; Marine |
| [Ui] rated insulation voltage | 690 V IEC 60947-6-2; 600 V UL 60947-4-1; 600 V CSA C22.2 No 60947-4-1 |
| [Uimp] rated impulse withstand voltage | 6 kV IEC 60947-6-2 |
| Safe separation of circuit | 400 V SELV between the control and auxiliary circuits IEC 60947-1; 400 V SELV between the control or auxiliary circuit and the main circuit IEC 60947-1 |
| Fixing mode | Plug-in (front face) |
| Width | 1.8 in (45 mm) |
| Height | 2.6 in (66 mm) |
| Depth | 2.4 in (60 mm) |
| Compatibility code | LUCD |
Environment & Certifications
| IP degree of protection | IP20 front panel and wired terminals IEC 60947-1; IP20 other faces IEC 60947-1; IP40 front panel outside connection zone IEC 60947-1 |
|---|---|
| Protective treatment | TH IEC 60068 |
| Ambient air temperature for operation | -13…158 °F (-25…70 °C) |
| Ambient Air Temperature for Storage | -40…185 °F (-40…85 °C) |
| Operating altitude | 6561.68 ft (2000 m) |
| Fire resistance | 1760 °F (960 °C) parts supporting live components IEC 60695-2-12; 1202 °F (650 °C) IEC 60695-2-12 |
| Shock resistance | 10 gn power poles open IEC 60068-2-27; 15 gn power poles closed IEC 60068-2-27 |
| Vibration resistance | 2 gn 5…300 Hz power poles open IEC 60068-2-6; 4 gn 5…300 Hz power poles closed IEC 60068-2-6 |
| Resistance to electrostatic discharge | 8 kV 3 in open air IEC 61000-4-2; 8 kV 4 on contact IEC 61000-4-2 |
| Non-dissipating shock wave | 1 kV serial mode IEC 60947-6-2; 2 kV common mode IEC 60947-6-2 |
| Resistance to radiated fields | 9.1 V/m (10 V/m) 3 IEC 61000-4-3 |
| Resistance to fast transients | 2 kV 3 serial link IEC 61000-4-4; 4 kV 4 all circuits except for serial link IEC 61000-4-4 |
| Immunity to radioelectric fields | 10 V IEC 61000-4-6 |
| Immunity to microbreaks | 3 ms |
| Immunity to voltage dips | 70 % / 500 ms IEC 61000-4-11 |
Packaging & Logistics
| Nbr. of units in pkg. | 1 |
|---|---|
| Package 1 Height | 2.047 in (5.200 cm) |
| Package 1 Width | 3.071 in (7.800 cm) |
| Package 1 Length | 3.937 in (10.000 cm) |
| Package weight(Lbs) | 4.339 oz (123.000 g) |
| Number of Units in Package 2 | 23 |
| Package 2 Height | 5.906 in (15.000 cm) |
| Package 2 Width | 11.811 in (30.000 cm) |
| Package 2 Length | 15.748 in (40.000 cm) |
| Package 2 Weight | 6.936 lb(US) (3.146 kg) |
| GTIN | 3389110368543 |
Warranty
| Warranty (in months) | 18 |
|---|
Pairs well with
Worldwide delivery, dispatched from Erbil
Technical support before and after you order
Genuine parts from authorised manufacturers
Obsolete and hard-to-find items sourced

LUCD12B
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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Shipping
We ship worldwide from our warehouse in Erbil, Iraq, and deliver across Baghdad and all governorates. Stocked lines dispatch quickly; items sourced to order have their lead time confirmed in writing with your quote.
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Technical support
Not sure which part you need, or whether an alternative is compatible? Send us the part number, the equipment it goes into, or a photo of the nameplate and our team will confirm the correct item before you order.
WhatsApp +964 781 287 9696 or sales@alnajahpower.com.
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Pricing and quotes
Prices are not shown online because they depend on quantity, specification and current availability. Add the items you need to your quote list and send it — we reply within one business day with pricing and lead time.
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Contact us
Alnajah Power
Makhmur Str. 83, Erbil 44020, IraqPhone / WhatsApp: +964 781 287 9696
sales@alnajahpower.comSaturday to Thursday, 09:00 – 18:00.
FAQs
Please read our FAQs page to find out more.
Do you supply genuine products?
We supply genuine industrial automation and electrical products from leading manufacturers including Siemens, ABB, Schneider Electric, Phoenix Contact, and Eaton. Product authenticity and quality are our priority.
Can I request a quotation?
Yes. If pricing is not displayed or you require multiple items, simply use the “Request a Quote” button or contact our sales team for a customized quotation.
Do you ship internationally?
Yes. We provide worldwide shipping and can deliver products to customers across Europe, the Middle East, Asia, and other international destinations.
Can you source obsolete or hard-to-find parts?
Yes. We specialize in sourcing discontinued, obsolete, and difficult-to-find industrial automation components through our global supplier network.
What industries do you serve?
We support customers in manufacturing, oil & gas, energy, utilities, water treatment, infrastructure, and industrial automation sectors.