Eaton EMS Series Manual

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1 Electronic motor starter EMS1.2 Overview of the devices EMS-…36 Elektronischer Motorstarter EMS/Electronic Motor Starter EMS 04/15 MN03407009Z-DE/EN www.eaton.com1.2 Overview of the devices EMS-…EMS electronic motor starters are designed to drive and protect three-phaseasynchronous motors under normal operating conditions, as well as toswitch them off when necessary due to safety reasons.Accordingly, EMS motor starters combine the following functions:• Anticlockwise motor rotation,• Clockwise motor rotation,• Motor protection (overload protection, plus phase failure and phaseimbalance detection)• Category 3 emergency stop contactorThe starters‘ internal interlock circuit and load wiring keep external wiringdown to a minimum. Finally, the EMS series of products includes variousdevice versions with different functions, as shown in the following section.1.3 Device seriesThere are a number of different EMS electronic motor starter versions avail-able.Table 1: EMS-...series overviewDevice type Function Current Range Supply voltage(control voltage)EMS-DO-T-2,4-24VDC DOL starterwith motor protection0.18 - 2.4 A (AC-51)0.18 - 2.4 A (AC-53a)24 V DCEMS-DO-T-9-24VDC DOL starterwith motor protection1.5 - 9 A (AC-51)1.5 - 6.5 A (AC-53a)24 V DCEMS-RO-T-2,4-24VDC Reversing starter(anticlockwise motor operation,clockwise motor operation) withmotor protection0.18 - 2.4 A (AC-51)0.18 - 2.4 A (AC-53a)24 V DCEMS-RO-T-9-24VDC Reversing starter(anticlockwise motor operation,clockwise motor operation) withmotor protection1.5 - 9 A (AC-51)1.5 - 6.5 A (AC-53a)24 V DCEMS-DOS-T-2,4-24VDC DOL starterwith motor protection and emer-gency stop contactor0.18 - 2.4 A (AC-51)0.18 - 2.4 A (AC-53a)24 V DCEMS-DOS-T-9-24VDC DOL starterwith motor protection and emer-gency stop contactor1.5 - 9 A (AC-51)1.5 - 6.5 A (AC-53a)24 V DCEMS-ROS-T-2,4-24VDC Reversing starter(anticlockwise motor operation,clockwise motor operation) withmotor protection and emergencystop contactor0.18 - 2.4 A (AC-51)0.18 - 2.4 A (AC-53a)24 V DCEMS-ROS-T-9-24VDC Reversing starter(anticlockwise motor operation,clockwise motor operation) withmotor protection and emergencystop contactor1.5 - 9 A (AC-51)1.5 - 6.5 A (AC-53a)24 V DC