Eaton Industrial Switchgear - xCommand xSystem Automation, control & visualization

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11/32 Electronic relays
Measuring and monitoring relays
EMR
2010 CA08103002Z-EN
Measuringandmonitoring relaysEMR
EMR5-W300-1-C EMR5-W380-1 EMR5-W400-1 EMR5-
W500-1-D
EMR5-
AW300-1-C
Input circuit, measuring circuit
Main pole, neutral conductor L1,L2,L3 L1,L2,L3 L1,L2,L3 L1,L2,L3 L1, L2, L3
Rated control voltage US = monitored voltage 3 x 160 - 300 V AC 3 x 380 V AC 3 x 400 V AC 3 x 300 - 500 V
AC
3 x 160 - 300 V
AC
Tolerance of rated control voltage US -15 - +10 % -15 - +10 % -15 - +10 % -15 - +10 % -15 - +10 %
Rated frequency 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz
Frequency range 45 - 65 Hz 45 - 65 Hz 45 - 65 Hz 45 - 65 Hz 45 - 65 Hz
Typical current/power consumption 25 mA/10 VA /at
250 V AC
25mA/18 VA /at
380 V AC
25 mA/18 VA /at
400 V AC
25 mA/18 VA /at
400 V AC
25 mA/10 VA
(230 V AC)
Duty factor (DF)
Measuring circuit
Monitoring functions
Phase failure Yes Yes Yes Yes Yes
Phase sequence Can be
deactivated
Can be
deactivated
Can be
deactivated
Can be
deactivated
Can be
deactivated
Automatic phase sequence correction No No No No No
Asymmetry No No No No Yes
Overvoltage/undervoltage Yes Yes Yes Yes Yes
Neutral conductor/break No
Neutral conductor No No No No
Measuring range
Overvoltage 3 x 220 - 300 v AC 3 x 418 V AC 3 x 440 V AC 3 x 420 - 500 V
AC
3 x 220 - 300 V
AC
Undervoltage 3 x 160 - 230 V AC 3 x 342 V AC 3 x 360 V AC 3 x 300 - 380 V
AC
3 x 160 - 230 V
AC
Asymmetry No No No No 2 - 25 % of
phase voltage
mean value
Adjustable threshold values
Overvoltage Adjustable within
measuring range
Fixed Fixed Adjustable
within
measuring
range
Adjustable
within
measuring
range
Undervoltage Adjustable within
measuring range
Fixed Fixed Adjustable
within
measuring
range
Adjustable
within
measuring
range
Imbalance (disconnection value) No No No No Adjustable
within
measuring
range
Asymmetry
Hysteresis relative to threshold value
Overvoltage/undervoltage Fixed 5 % Fixed 5 % Fixed 5 % Fixed 5 % Fixed 5 %
Asymmetry No No No No Fixed 20 %
Rated frequency of measuring signal 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz
Frequency range of measuring signal 45 - 65 Hz 45 - 65 Hz 45 - 65 Hz 45 - 65 Hz 45 - 65 Hz
Reaction time No No No No
Maximum monitoring cycle 100 ms 100 ms 100 ms 100 ms 100 ms
Measuring error within rated control voltage tolerance ≤ 0.5 % ≤ 0.5 % ≤ 0.5 % ≤ 0.5 % ≤ 0.5 %
Measuring error within temperature range ≤ 0.06 %/°C ≤ 0.06 %/°C ≤ 0.06 %/°C ≤ 0.06 %/°C ≤ 0.06 %/°C
Measurement method True RMS value measurement
Timing circuit
On-delay Ts Fixed 200 ms Fixed 200 ms Fixed 200 ms Fixed 200 ms Fixed 200 ms
On-delay Ts1
Response delay Tv On- or off-delay
0; 0, 1-30 s
adjustable
On- or off-delay
0; 0, 1-30 s
adjustable
On- or off-delay
0; 0, 1-30 s
adjustable
On- or off-delay
0; 0, 1-30 s
adjustable
On- or
off-delay;
none = 0,
adjustable
0.1 - 30 s
Timeout error within rated control voltage tolerance ≤ 0.5 % ≤ 0.5 % ≤ 0.5 % ≤ 0.5 % ≤ 0.5 %
Timeout error within temperature range ≤ 0.06 % /°C ≤ 0.06 % /°C ≤ 0.06 % /°C ≤ 0.06 % /°C ≤ 0.06 %/°C
Repetition accuracy (constant parameters) ±0.2 % ±0.2 % ±0.2 % ±0.2 % ±0.2 %
Operating status indication
Relay status R: yellow LED See instructional
leaflet
See instructional
leaflet
See instructional
leaflet
See instruc-
tional leaflet
See instruc-
tional leaflet