Eaton Industrial Switchgear - xCommand xSystem Automation, control & visualization

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11/28 Electronic relays
Measuring and monitoring relays
2010 CA08103002Z-EN
EMR
Measuringandmonitoring relaysEMR
EMR5-N080-1-B EMR4-N100-1-B EMR4-N500-2-B EMR4-N500-2-A
Input circuit
Rated control voltage
US - power consumption:
A1 - A2 220 - 240 V AC
approx. 1.5 VA
220 - 240 V AC
approx. 4 VA
220 - 240 V AC
approx. 3 VA
24 - 240 V AC/DC
approx. 2 VA/W
Tolerance of rated control voltage US -15 % - 10 % -15 % - 10 % -15 % - +10 % -15 % - +10 %
Rated frequency 50 - 60 Hz 50 - 60 Hz 50 - 60 Hz or DC 50 - 60 Hz or DC
Duty factor (DF) 100 % 100 % 100 % 100 %
Measuring circuit MAX-MIN-C MAX-MIN-C MAX-MIN-C MAX-MIN-C
Monitoring functions Level control Level control Level control Level control
Response sensitivity 5 - 100 kΩ, adjustable 5 - 100 kΩ, adjustable 250 Ω - 5 kΩ, adjustable 250 Ω - 5 kΩ, adjustable
Maximum electrode voltage 30V AC 30 V AC 20 V AC 20 V AC
Maximum electrode current 1 mA 1 mA 8 mA 8 mA
Electrode supply cable
Cable capacity max. 10 nF 10 nF 200 nF 200 nF
Cable length max. 100 m 100 m 1000 m 1000 m
Response sensitivity 2.5-50 kΩ, adjustable 2.5-50 kΩ, adjustable
Maximum electrode voltage 20 V AC 20 V AC
Maximum electrode current 2 mA 2 mA
Electrode supply cable
Cable capacity max. 20 nF 20 nF
Cable length max. 100 m 100 m
Response sensitivity 25 - 500 kΩ, adjustable 25 - 500 kΩ, adjustable
Maximum electrode voltage 20 V AC 20 V AC
Maximum electrode current 0.5 mA 0.5 mA
Electrode supply cable
Cable capacity max. 4 nF 4 nF
Cable length max. 20 m 20 m
Timing circuit
Release delay Approx. 250 ms Approx. 250 ms
Delay time 0.1 - 10 s, adjustable, on-
delay without off-delay
0.1 - 10 s, adjustable, on-
delay without off-delay
Operating status indication
Control voltage U: green LED U: green LED U: green LED U: green LED
Output relay energized R MAX/MIN: yellow LED
Alarm relay AL1 – R AL1: yellow LED U: green LED U: green LED
Alarm relay AL2 – R AL2: yellow LED R: yellow LED R: yellow LED
Output circuits
Output circuits 11-12/14, 21-22, 31-32 11-12/14, 21-22, 31-32 15-16/18, 25-26/28 15-16/18, 25-26/28
Output type 1 changeover contact,
1 normally closed
contact + 1 normally
open contact
1 changeover contact,
1 normally closed contact
+ 1 normally open contact
Two changeover
contacts
Two changeover
contacts
Operating principle Live current principle 1) Open-1) and
closed-circuit principle2) Live current principle1) Live current principle1)
Contact material AgCdO AgCdO AgCdO AgCdO
Rated voltage (VDE 0110, IEC 60947-1) 250 V 250 V 400 V 400 V
Maximum switching voltage 250 V 250 V 400 V 400 V
Rated operational current (IEC 60947-5-1)
AC12 (resistive) 230 V 4 A 4 A 5 A 5 A
AC15 (inductive) 230 V 3 A 3 A 3 A 3 A
DC12 (resistive) 24 V 4 A 4 A 5 A 5 A
DC13 (inductive) 24 V 2 A 2 A 2 A 2 A
Notes 1) Output relays pick up when value above/below set threshold value
2) Output relays drop out when value above/below set threshold value