MCU (Microprocessor) Based
3 Integral Current Transformers
Digital Ammeter, Troubleshooting/Trip Cause diagnosis by Seven Segment LED Display
Available for Current Range of 0.1A - 600 Amps
Independently adjustable Starting Trip Delay (D-Time) & Trip Time (O-Time)
Independent Mounting
Adjustable Operating features by DIP switch selection
Ground Fault Protection with CBCT (Core Balance Current Transformer)


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
Ground Fault
1 or 0.03 sec


Model
3DZ
Over Current Setting








* Each current type is adjusted by DIP Switch Setting. (SW5-SW8)
Type
Setting Range
05
1-5A
20
4-20A
50
10-50A
100
20-100A
150
30-150A
200
40-200A
300
60-300A
400
80-400A
500
100-500A
600
120-600A
Instantaneous Over-current Setting
-
Ground Fault Current Setting
0.05-2.5A or 0.2 - 10A
Alert Setting
-
Start Time Setting
(D-Time)
SW3-On (Inverse)
0-120 Sec
SW3-Off (Definite)
1-120 Sec
Trip Time Setting
(O-Time)
SW3-On (Inverse)
1-30 Sec
SW3-Off (Definite)
0.3-25 Sec
Control Voltage
85-250 VAC/DC
Output Relay
Relay 1
OL Relay
1-SPST, 5A/250VAC Resistive
Normally Energized
Relay 2
Ground Fault Relay
1-SPST, 5A/250VAC Resistive
Normally De-energized
Time Characteristics
SW3-On
Inverse
SW3-Off
Definite
Troubleshooting / Trip Indication
Seven Segment LED Display
Current Sensing
3-CT
Mounting
35mm Din Rail /Panel















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