5 Appendix
5.1 Technical Data
Elektronischer Motorstarter EMS/Electronic Motor Starter EMS
04/15 MN03407009Z-DE/EN
www.eaton.com
55
Two-phase current measurement
Measuring range
A
0.18 - 2.4
1.5 - 9.0
Phase failure monitoring
Pick-up time
s
< 2
< 2
Balance monitoring
Magnitude I
max
> I
nenn
((I
max
- I
min
)/I
max
)
%
≧
33 /
≧
67
≧
33 /
≧
67
Magnitude I
max
< I
nenn
((I
max
- I
min
)/I
nenn
)
%
≧
33 /
≧
67
≧
33 /
≧
67
Pick-up time
s
150 / 2
150 / 2
Stall protection (only EMS-…-9)
I (L1) or I (L3)
A
–
> 45
Pick-up time
s
–
2
Tripping characteristic according to IEC 60947
(
Section 5.3, “Tripping characteristics at 20 °C“)
–
–
Cooling-off time
-
20
Feedback outputs (95, 96/97, 98)
Contact type
Single contact, 1 changeover
contact
Single contact, 1 changeover
contact
Contact material
Ag alloy, hard gold-plated
Ag alloy, hard gold-plated
Signal contact
Power contact
Maximum switching voltage
V
30 AC / 36 DC
250 AC/DC
Minimum switching voltage
100 mV
12 V AC/DC
Steady load current, maximum
50 mA
3 A AC / 2 A DC
Switching current, minimum
mA
1
10
Breaking power, maximum
24 V DC
W
1.2
140
48 V DC
W
–
20
60 V DC
W
–
18
110 V DC
W
–
23
220 V DC
W
–
40
250 V AC
VA
–
500
Conformity / Approval
EC prototype test certification according to ATEX
II (2) G [Ex d] [Ex px] [Ex e]
II (2) D [Ex t] [Ex p]
PTB 13 ATEX 3003
II (2) G [Ex d] [Ex px] [Ex e]
II (2) D [Ex t] [Ex p]
PTB 13 ATEX 3003
Type of coordination
1
1
UL508
NLDX File: E29096
NLDX7 File: E29096
NLDX File: E29096
NLDX7 File: E29096
Maximum breaking capacity as per UL508
Full load (power factor = 0.4)
kW/HP
0.9/1.2
2.3/3.0
Full load (power factor = 0.8)
kW/HP
1.7/2.2
4.6/6.1
General
Unit
EMS-…-2,4-…
EMS-…-9-…
