7 Technical data
52
EMS2…-SWD Electronic motor starter
10/19 MN120008EN
www.eaton.com
Protection against polarity reversal
Yes
Yes
Typical break time
< 30 ms
< 30 ms
Power circuit
Rated operational voltage U
e
500 V AC, 50/60 Hz
500 V AC, 50/60 Hz
Operational voltage
42 V AC - 550 V AC
42 V AC - 550 V AC
Rated operational current AC51
3 A
9 A
Rated operational current AC53a
3 A
7 A
Permissible load current range
0.18 A - 3 A
1.5 A - 9 A
Motor protection tripping characteristics (IEC
60947-4-2)
Class 10
Class 10A
Heat dissipation
1.5 W - 3 W
1.5 W - 13 W
Cooling-off time with auto reset after triggering
20 min
20 min
Protection against overvoltage
Yes
Yes
Allocated protective element on the network side
section 4.1, “Short-circuit protection”,
section 4.1, “Short-circuit protection”,
Use in UL environment
section 4.1.2, “Use in UL environment”,
section 4.1.2, “Use in UL environment”,
Insulation properties
Rated insulation voltage
500 V
500 V
Rated impulse voltage U
imp
6 kV
6 kV
Insulation properties between the actuating
voltage, control supply voltage and auxiliary circuit
to the main circuit
Operational voltage < 300 V AC
(e. g. 230 / 400V AC, 277 / 480 V AC):
Safe isolation according to IEC/EN 60947-1 and
EN 50178 checks for devices with safety
Operational voltage 300 V AC - 500 V AC:
Basic isolation according to IEC/EN 60947-1
Safe isolation according to EN 50178
Operational voltage < 300 V AC
(e. g. 230 / 400V AC, 277 / 480 V AC):
Safe isolation according to IEC/EN 60947-1 and
EN 50178 checks for devices with safety
Operational voltage 300 V AC - 500 V AC:
Basic isolation according to IEC/EN 60947-1
Safe isolation according to EN 50178
Insulation properties between actuating voltage
and control supply voltage to auxiliary circuits
Safe isolation according to IEC/EN 60947-1 and
EN 50178
Safe isolation according to IEC/EN 60947-1 and
EN 50178
Additional information for devices with safety function, i.e. EMS2-D(R)OS-…-SWD
System conditions
Database for failure rates
SN 29500
SN 29500
System type (made up of subsystems)
Type B
Type B
Applied standard
IEC 61508
IEC 61508
Beta factor
2 %
2 %
Size/feature
EMS2-…-3-SWD
EMS2-…-9-SWD