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18-23
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TeSys™ U Open Motor Starter Motor Starters and Protectors
Refer to Catalog MKTED210011EN
Control Units and Functions
Table 18.88: Control Units and Functions
Standard Advanced
Multifunction
Reference LUCA LUCB LUCC LUCD LUCM
Protection type
Class 10
Class 20
Class 5–30
Single Phase: LUCC Class 10 only
Protection functions
Short circuit
Over current
Thermal overload
Phase loss
Phase imbalance
Ground fault
Underload, long start, jam
Control functions
Manual reset
Automatic or local/remote reset
Fault differentiation
Thermal alarm
Motor load display
Fault history
Alarm threshold adjustment
Tripping test
= built-in the control unit
= works with the related function modules (see page 18-24)
Power Base and Plug-in Accessories
See below where to install accessories on the power base. Only one accessory can be
installed in each location.
Control Unit or
Multifunction Control
Auxiliary
Function or Communication Module
Auxiliary Contact Block
Control Circuit
Contact Block
b Line Phase Barrier
e Reverser Unit mounts under power base
j Current Limiter attaches above power base
m Multifunction Control Unit
m



Power Base (Front View)
b
e
j
Side View
18
CONTACTORS AND STARTERS-IEC
9/13/2019