1 General information – EMS2 electronic motor starter
1.3 EMS2 device overview
EMS2… Electronic motor starter 10/19 MN034003EN www.eaton.com 7
1.3 EMS2 device overview
EMS2 series electronic motor starters serve to switch and protect three-
phase asynchronous motors.
Depending on the version, the following functions are available:
• Direct Online starter (DO = Direct Online)
• Reversing starter (RO = Reverse Online)
• Motor protection
• Overload protection
• Phase failure
• Phase imbalance
• Category 3 controlled stop
PL e DIN EN ISO 13849, SIL 3 IEC 61508
The compact devices contain the required interlocks which are necessary for
the specified functions in order to reduce the wiring.
Notes on the application range
￫
Do not operate single-phase motors in conjunction with an
EMS2 electronic motor starter.
￫
Only devices with safety function (DOS, ROS, ROSF) may be
used in potentially explosive Ex e increased safety (ATEX) areas.
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