Spec SheetThe Square D TeSys U control unit is a versatile device intended for use with power bases LUB12, LUB32, and LUB38 to create a TeSys U starter controller. It provides comprehensive motor protection features including overload, short circuit, phase loss, and insulation fault detection. The control unit is suitable for 3-phase motor applications up to 5.5kW at 400V.
- Rated current: 3-12A (adjustable)
- Overload tripping class: 10
- Short circuit withstand: 13 times Irmax
- Overcurrent protection: 14.2 times Ir
- Control voltage: 110-240V AC/DC
- Rated insulation voltage: 690V IEC 60947-6-2
- Operational voltage: 690V AC
- Impulse withstand voltage: 6 kV IEC 60947-6-2
- Operating time: approximately 35-50 ms depending on control circuit
- Dimensions: 66 mm height, 45 mm width, 60 mm depth
Certified for use with various standards including IEC, UL, CSA, CCC, EAC, and Marine, when used with compatible power bases.
Technical Specifications
| Complementary Attributes - Control Circuit Voltage Limits | 55 V DC 110...220 V drop-out, 88...264 V AC 110...240 V in operation, 88...242 V DC 110...220 V in operation, 55 V AC 110...240 V drop-out |
| Complementary Attributes - Uc Control Circuit Voltage | 110...240 V AC, 110...220 V DC |
| Complementary Attributes - 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 |
| Complementary Attributes - Ue Rated Operational Voltage | 690 V AC |
| Complementary Attributes - Uimp Rated Impulse Withstand Voltage | 6 kV IEC 60947-6-2 |
| Persona Type Ids | EU, LC, OM, OM8, PB |
| Persona Type Names | End User, Contractor, Original Equipment Manufacturer, OEM - Control Panelbuilder, Panel Builder |
| Market Segmentation Id | COMMERCIAL, INDUSTRIAL |
| Market Segmentation | Commercial, Industrial |
| Device Application | motor control, motor protection |
| Fire Resistance | 960 °C parts supporting live components IEC 60695-2-12, 650 °C IEC 60695-2-12 |
| Function Available | protection against overload and short-circuit, manual reset, earth fault protection, protection against phase failure and phase imbalance |
| Heat Dissipation | 2-2 W control circuit with LUB12, 3-3 W control circuit with LUB32, 3-3 W control circuit with LUB38 |
| 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 |
| Non Dissipating Shock Wave | 1 kV serial mode IEC 60947-6-2, 2 kV common mode IEC 60947-6-2 |
| Operating Time | 50 ms closing with LUB32 control circuit, 50 ms closing with LUB38 control circuit, 35 ms opening with LUB12 control circuit, 35 ms opening with LUB32 control circuit, 35 ms opening with LUB38 control circuit, 50 ms closing with LUB12 control circuit |
| Resistance To Electrostatic Discharge | 8 kV 3 in open air IEC 61000-4-2, 8 kV 4 on contact IEC 61000-4-2 |
| 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 |
| 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 |
| Shock Resistance | 10 gn power poles open IEC 60068-2-27, 15 gn power poles closed IEC 60068-2-27 |
| Thermal Overload Class | class 10 40-60 Hz -25-70 °C IEC 60947-6-2, class 10 40-60 Hz -25-70 °C UL 508 |
| Typical Current Consumption | 280 mA 110...220 V DC I maximum while closing with LUB32, 280 mA 110...220 V DC I maximum while closing with LUB38, 25 mA 110...240 V AC I rms sealed with LUB38, 35 mA 110...220 V DC I rms sealed with LUB12, 25 mA 110...220 V DC I rms sealed with LUB32, 25 mA 110...220 V DC I rms sealed with LUB38, 280 mA 110...240 V AC I maximum while closing with LUB12, 280 mA 110...240 V AC I maximum while closing with LUB32, 280 mA 110...240 V AC I maximum while closing with LUB38, 280 mA 110...220 V DC I maximum while closing with LUB12, 35 mA 110...240 V AC I rms sealed with LUB12, 25 mA 110...240 V AC I |
| Utilisation Category | AC-41, AC-43, AC-44 |
| 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 |
| Carbon Footprint Of The Distribution Phase A4 | 0.06838356635823767, 0.1 kg CO2 eq. |
| Carbon Footprint Of The End Of Life Phase C1 To C4 | 0.31296898800484324, 0.3 kg CO2 eq. |
| Carbon Footprint Of The Installation Phase A5 | 0 kg CO2 eq., 0.009708208612935209 |
| Carbon Footprint Of The Manufacturing Phase A1 To A3 | 1 kg CO2 eq., 1.1947135351162859 |
| Carbon Footprint Of The Use Phase B2 B3 B4 B6 | 15 kg CO2 eq., 14.924864966718356 |
| Certificate Agency | CE, UL, CSA, CCC, EAC, ASEFA, ATEX, Marine |
| Local Data Status | Publishable |
| Local Publishable Date | 2026-03-26 |
| Return Indicator | Y |
| Stocking Flag | Y |
| Stock Policy | 1 |
Product Documents
Reviews: 0
There are no reviews for this product.
Questions: 0
No questions about this product.
Similar products
