Procom ELR Series Manual

Function Diagram

Supply
Trip Level
Reset
Level
Current
Relay O/P
ELR Function Diagram :

TECHNICAL CHARACTERISTICS :

PRODUCT CMR 1AL/ CMR 1ML/
CMR 1AL-N CMR 1ML-N
Auxiliary Supply 35VAC / DC-300 VAC / DC
Power Consumption 5VA (APPROX.)
(max.)
EL SETTING 0.03-30Amp 50-300 mAmp 0.2 - 1.2 Amp
Trip Time 0.02 - 10 Sec 0.2 - 10 Sec
Reset Type A/M A/M
Reset Time 3 SEC 3 SEC
Power On Delay < 500 ms
LED Indication
Mains
POWER ON / CBCT ERROR
EL
EARTH LEACKAGE
Test Function YES
Setting Accuracy + / - 5%
Repeat Accuracy + / - 2%
Hysterisis + / - 5%
Relay Output :
Contact
1C/O
Arrangement
5A Res. @ 250 VAC / 30VDC
Contact
Ag Alloy
1 2 3 4 5 6
1 2 3 4 5 6
37
CMR 5AL/
CMR 5AL-N

CONNECTION DIAGRAM

CT IN
1 2 3
0.2 - 10 Sec
7 8 9 10 11 12
A/M
3 SEC
NO COM
*
Test/Reset
Plot No. 20-21, Sector 59 Phase- ||,
Phone : 091-129-4700400
info@mrmprocom.com
65
48.5
32
Aux. Supply
4 5 6
NC
Faridabad, Haryana
Pin - 121004
E-mail Address
EARTH LEAKAGE RELAY
ELR - 1
ELR - 2
ELR - 3
Current Time Aux. Contact Reset
Range Delay Supply
30 mA - 0.02 - 30 - 300v 1CO + 1
30 A 10 sec AC/DC NO
50 mA - 0.2 - 10 30 - 300v 1CO + 1
300 mA sec AC/DC NO
0.2 A - 1.2 0.2 - 10 30 - 300v 1CO + 1
A sec AC/DC NO
Model
Type Type
Auto ELR-1A
Mannual ELR-1M
Auto ELR-2A
Mannual ELR-2M
Auto ELR-3A
Mannual ELR-3M