MCU (Microprocessor) Based
3 Integral Current Transformers
3 Phase Digital Ammeter, Troubleshooting/Trip Cause diagnosis by Seven Segment LED Display
Available for Current Range of 0.1A - 800 Amps
Independent Mounting
Adjustable Operating features with MODE switch
Independently adjustable Starting Trip Delay (D-Time) & Trip Time (O-Time)
Bar Graph type LED display
Total Running Timer and Running Timer
Undercurrent (Dry Run) protection
Stores last trip cause
DCU-Display & Control Unit suitable for Flush Panel Mounting

Protective Item
Trip Time
Over-current
O-Time
Phase Loss
3 sec
Phase UnBalance
8 sec
Phase Reverse
0.1 sec
Locked Rotor
D-Time
Undercurrent
U-Time


Current Setting Range
Over-current
*Refer to table for Current Setting Range given below
 
Under-current
Off, From 0.5Amp to less than over-current setting
Time Setting
Starting Delay Time (dt)
Off-200 sec, Adjustable
Over-current Trip Delay (dt)
Definite Time
0.2-30 sec
Inverse time
1.0-30 sec
Under-current Trip Delay (ut)
0.5-30 sec
(Definite time operation)
Tolerance
Current
± 5%
Time
± 5%
Control Power
220
85-250V AC/DC 50/60Hz
Output Relay
OL
2-SPST
3A/250V AC Resistive
AL
1-SPST
3A/250V AC Resistive
Environment
Temperature
Store
-30°C to +80°C
Operation
-20°C to +70°C
Display
7-Segment LED's
3 Phase current, Trip cause, Operating hour
Bar-Graph
Load Factor for current setting
Mounting
DCU
Flush-Panel Mounted
PCU
35mm Rail
Connection
Interface Cable
Insulation
Between casing and circuit : over 100MQ, DC 500V
Dielectric Strength
Between casing and circuit
AC 2000V, 60Hz, 1 min
Between open contacts
AC 1000V, 60Hz, 1 min
Between circuit
AC 2000V, 60Hz, 1 min
Surge
(IEC 1000-4-5)
1.2X50µs, ±4kv (0°, 90°, 180°, 270°)
Electrostatic Discharge
(IEC 1000-4-2)
Air Discharge : ±8kv, Contact Discharge : ±4kv
EFT / Burst
±2kv, 1min
Radiated Electromagnetic Field Disturbance
150 Mhz & 450 Mhz Portable transmitter : Level 3 (10V/m)

* Current Setting Range for EOCR-FDM
Type
Current Setting Range (Amps)
Number of Conductors thru CT windows
DIP SW4 Position
External CT Radio
Setting of CT Radio
05
0.1-2.0
5
05
-
5t
05
0.25-5.0
2
05
-
2t
05
0.5-10
1
05
-
05(indication)
60
5.0-60
1
05
-
60(indication)
10
1.0-12
1
05
10:5
10
15
1.5-18
1
05
15:5
15
20
2.0-24
1
05
20:5
20
25
2.5-30
1
05
25:5
25
30
3.0-36
1
05
30:5
30
40
4.0-48
1
05
40:5
40
50
5.0-60
1
05
50:5
50
60
6.0-72
1
05
60:5
60
75
7.5-90
1
05
75:5
75
100
10-120
1
05
100:5
100
120
12-144
1
05
120:5
120
150
15-180
1
05
150:5
150
200
20-240
1
05
200:5
200
250
25-300
1
05
250:5
250
300
30-360
1
05
300:5
300
400
40-480
1
05
400:5
400
500
50-600
1
05
500:5
500
600
60-720
1
05
600:5
600
750
75-900
1
05
750:5
750
800
80-960
1
05
800:5
800














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Phone no. : 91-129-2278256, 2273860 Fax no. : 91-129-2273850
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