What is the difference between an LUB12 32 & LUB120 320 Tesys U starter? The Tesys U non reversing starter controller offers two types of power base units in its range LUB12 & LUB120 (0 – 12A, 5.5kw at 400V) LUB32 & LUB320 (0 – 32A, 15kW at 400V) LUB12 & LUB32 power bases have gone through an evolutionary change. Pre 2010 wk36, the base unit was coloured black\white & the contact block LU9BN11 was removable. Post 2010 wk 36, the base unit is black, to de...
Read more
Issue: Can the TeSys U motor starters be used on a single phase system with a grounded neutral? Product Line: TeSys U - GIC Product LUB12, LUB32 Environment: US Product Cause: Product Application Resolution: Yes, these starters can be used in this type of setup. If the power wiring is grounded at the motor as well, an imbalance between hot and neutral can result which can cause nuisance tripping.
Read more
All control unit of Tesys U are designed for AC load applications only. Due to the TeSys U design specifications and accessories limitations, it is not allowed to use Tesys U on DC load.
Read more
Issue: Tesys U function modules Product Line: TeSys™ U Open Motor Starter Environment: North American Products Resolution: It provides indication between an overload trip and a short circuit trip. It also provides for remote or automatic reset after a thermal fault.
Read more
When specifying which auxiliary to add to TeSys U motor starters, we must understand for what purpose. Thermal overload is LUFDH11 Switch status is LUFN11 etc. Please see below options: Please find attached data sheet TeSys_U_LUFDH11.pdf
Read more