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Electronic relays
Measuring and monitoring relays
2010
CA08103002Z-EN
www.eaton.comEMR
EMR
Measuringandmonitoring relays
Ordering
Current
measurement
range
Contact sequences
Supply voltage
connection
Part no.
Article no.
Price
See price list
Std. pack
I∼/I=
A
Current monitoring relays EMR4-I…, single-phase
Load limit curves ￫Page 11/21
Circuit and contact sequence diagrams￫ Instructional leaflet (AWA) under
www.moeller.net/support•
Switching hysteresis adjustable
from 3 - 30 %
•
Response delay 0.1 - 30 s
•
Monitoring of one upper or lower
limit
•
Extension of the measurement
range possible with current
transformers
3 - 30
mA
10 - 100
mA
0.1 - 1
A
24 - 240
V AC,
50/60
Hz
24 - 240
V DC
EMR4-I1-1-A
106942
1
off
0.3 - 1.5
A
1 - 5
A
3 - 15
A
24 - 240
V AC,
50/60
Hz
24 - 240
V DC
EMR4-I15-1-A
106943
1
off
0.3 - 1.5
A
1 - 5
A
3 - 15
A
220 - 240
V AC,
50/60
Hz
EMR4-I15-1-B
106944
1
off
Monitoring
voltage per
phase
Contact sequences
Supply voltage
connection
Part no.
Article no.
Price
See price list
Std. pack
U
N
V AC
EMR4-F… phase sequence relay
Load limit curves ￫Page 11/21
Circuit and contact sequence diagrams￫ Instructional leaflet (AWA) under
www.moeller.net/support•
Monitors three-phase systems
for phase sequence and phase
failure (< 0.6 x U
e
)
•
Supply voltage connection =
monitored voltage
200 - 500
V AC,
50/60
Hz
200 - 500
V AC,
50/60
Hz
EMR4-F500-2
221784
1
off
Threshold
value
Contact sequences
Supply voltage
connection
Part no.
Article no.
Price
See price list
Std. pack
EMR5-A... phase imbalance monitoring relays
Load limit curves ￫Page 11/21
Circuit and contact sequence diagrams￫ Instructional leaflet (AWA) under
www.moeller.net/supportPower supply from measuring circuit
Three-phase monitoring
•
Phase sequence
•
Phase failure
•
Asymmetry
•
Imbalance threshold values
adjustable 2 - 25 % of mean value of
phase voltages
•
On-delay: None = 0
or adjustable from 0.1 to 30 s
Imbalance =
2 - 25 %
of
phase voltage
mean value
160 - 300
V AC,
50/60
Hz
EMR5-A300-1-C
134230
1
off
Power supply from measuring circuit
Three-phase monitoring
•
Phase sequence
•
Phase failure
•
Asymmetry
•
Imbalance threshold values
adjustable
•
On-delay: None = 0
or adjustable from 0.1 to 30 s
Imbalance =
2 - 25 %
of
phase voltage
mean value
300 - 500
V AC,
50/60
Hz
EMR5-A400-1
134222
1
off
Notes
Information relevant for export to North America
Product Standards
IEC 255-6; UL 508; CSA-22.2 No. 14-05; CE marking
UL File No.
E29184
UL CCN
NKCR, NKCR7
CSA File No.
UL report valid
CSA Class No.
3211-03
NA Certification
UL Listed, Certified by UL for use in Canada
Degree of Protection
IEC: IP20, UL/CSA Type: -
C
15
25
B1 B2 B3
18 16 26 28
A1 A2
15
L1 L2 L3 11
16
12
18
14
26
22
28
24
25
21
15
L1 L2 L3 11
16
12
18
14
26
22
28
24
25
21
15
L1 L2 L3 11
16
12
18
14
26
22
28
24
25
21
HPL11016EN