2 Motor starters
2.1 Construction
EMS2… Electronic motor starter 10/19 MN034003EN www.eaton.com 9
2 Motor starters
2.1 Construction
The following drawing shows the designations for the EMS2 electronic
motor starter, intended for installation on a top-hat rail.
Figure 1: Designations on EMS2 – when installed on a top-hat rail
a Terminals for control voltage U
S
and ON/R/L
b Reset (and reference point of the control inputs for motor starters with safety function)
c Relay output
d Setting dial for motor protection
e LED PWR (green)
f LED ERR (red)
g LED L (yellow) – for reversing starters
h LED R (yellow) – for reversing starters or LED ON (yellow) – for direct starters
i Set/reset button
j Terminals for input voltage
k Terminals for output voltage
l Top-hat rail fitting
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