SE Digest 178

Motor Starters and Protectors

TeSys™ U Open Motor Starter Refer to Catalog MKTED210011EN

www.se.com/us

Control Units and Functions

Table 18.78: Control Units and Functions

Standard

Advanced

Multifunction

Reference

LUCA

LUCB

LUCC

LUCD

LUCM

Protection type Class10 Class20 Class5–30 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

18 CONTACTORS AND STARTERS-IEC

= built-in the control unit = works with the related function modules (see page 18-27) 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.

c Line Phase Barrier p Reverser Unit mounts under power base r Current Limiter attaches above power base i Multifunction Control Unit

Control Unit i Multifunction Control

2

Control Circuit Contact Block 1

Auxiliary Function or Communication Module Auxiliary Contact Block

3

18-26

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