Schneider Electric
Schneider Electric LUB12 Motor Control Power Base 12A 45mm
A 12 A, 45 mm wide motor-control power base for three-phase motors up to 5.5 kW at 400 V with 50 kA breaking capacity and 3600 cycles/hour start-stop rating
- TypeIndustrial Electrical Controls & Automation
- ColorTransparent
- 12 A power base drives 5.5 kW motors at 400 V
- 45 mm width fits tight DIN-rail enclosures
- 50 kA breaking capacity protects against short circuits
- 3 600 cycles per hour supports frequent start-stop duty
- Modular design accepts LUC units for custom protection
Schneider Electric LUB12 Power Base
The Schneider Electric LUB12 is a TeSys U standard power base rated at 12 A and 690 V for three-phase motor circuits up to 5.5 kW at 400 V. It provides the power contacts, control coil and rotary handle in a 45 mm wide housing that mounts on DIN rail or by screws. The unit must be paired with a LUC control unit to create a complete starter controller with overload protection.
Suits panels needing a compact non-reversing
This base suits installers building non-reversing starters up to 12 A who want high breaking capacity (50 kA at 400 V) and start-stop rates of 3600 cycles per hour. It is not for applications requiring an integrated reversing function or a self-contained starter without a separate LUC control module. Buyers needing a wider current range or built-in protection should look at other TeSys U configurations.
45 mm width and 12 A rating decide fit
The 45 mm width determines DIN-rail spacing and enclosure layout, while the 12 A rating sets the maximum motor load the base can switch. Both values are fixed by the hardware and cannot be changed by the control unit, so verify panel space and motor full-load current before ordering.
Highlights
- 12 A power base drives 5.5 kW motors at 400 V
- 45 mm width fits tight DIN-rail enclosures
- 50 kA breaking capacity protects against short circuits
- 3 600 cycles per hour supports frequent start-stop duty
- Modular design accepts LUC units for custom protection
Specifications
| Brand | SCHNEIDER ELECTRIC |
|---|---|
| Type | Industrial Electrical Controls & Automation |
| Color | Transparent |
Questions about this item
How can I confirm the LUB12 power base is operating correctly after installation?
Verify the rotary handle moves smoothly between positions and the control terminal block shows proper continuity; the unit is rated for 3600 start-stop cycles per hour at 400V.
What components are included with the LUB12 and what must be purchased separately?
The power base includes power contacts, control coil, rotary handle, control terminal block and blanking shutters; a LUC control unit is required separately to complete the starter controller.
Which version of the TeSys U power base should I select for a 5.5 kW motor at 400 V?
Choose the 12 A, 45 mm wide LUB12 base rated for 5.5 kW at 400 V with 50 kA breaking capacity, then add the matching LUC control unit for your protection needs.
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