Eaton EMS2 Series Manual page 52

7 Technical data
Size/feature
Motor protection tripping characteristics
(IEC 60947-4-2)
Heat dissipation min / max
Cooling-off time with auto reset after triggering
Protection against overvoltage
Allocated protective element on the network side
Use in UL environment
Insulation properties
Rated insulation voltage
Rated impulse voltage / insulation
Insulation properties between the actuating
voltage, control supply voltage and auxiliary circuit
to the main circuit
Insulation properties between actuating voltage
and control supply voltage to auxiliary circuits
Degree of pollution
Additional information for devices with safety function, i.e. EMS2-D(R)OS(F)-...-24VDC
System conditions
Database for failure rates
System type (made up of subsystems)
Applied standard
Beta factor
Safe switch off
HFT (hardware fault tolerance)
Ambient temperature
MTTF (Mean Time to Failure)
MTTF (Mean Time to Failure Dangerous)
D
Shutdown time
λ – failure rate of detectable safe failures
sd
(sd = safe, detectable)
λ – failure rate of undetectable safe failures
su
(su = safe, undetectable)
λ – failure rate of detectable dangerous failures
dd
(dd = dangerous, detectable)
λ – failure rate of undetectable dangerous
du
failures (du = dangerous, undetectable)
SFF (Safe Failure Fraction)
DC (Diagnostic Coverage)
48
EMS2-...-24VDC
Class 10
0.88 W / 4.1 W
20 min
Yes
￫ section 4.1, "Short-circuit protection",
page 25
￫ section 4.1.2, "Use in UL environment",
page 26
500 V
6 kV
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
Safe isolation according to IEC/EN 60947-1 and
EN 50178
2
SN 29500
Type B
IEC 61508
2 %
1
40 °C - 60 °C
64 years at 40 °C ambient temperature
175 years at 40 °C ambient temperature
200 ms
0 FIT
1134 FIT at 40°C ambient temperature
647 FIT at 40 °C ambient temperature
4.2 FIT at 40 °C ambient temperature
99.8 % at 40 °C ambient temperature
99.4 % at 40 °C ambient temperature
EMS2... Electronic motor starter 10/19 MN034003EN www.eaton.com
EMS2-...-230VAC
Class 10A
0.88 W / 7 W
20 min
Yes
￫ section 4.1, "Short-circuit protection",
page 25
￫ section 4.1.2, "Use in UL environment",
page 26
500 V
4 kV
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
Safe isolation according to IEC/EN 60947-1 and
EN 50178
2
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