Home ProductCurrent Relay
HTHY-3DE/3EZ
.MCU Based
.3 Integral Current Transformers
.Over-current, Under-Current, Phase Loss, Phase
.Unbalance, Phase Reversal, Locked Rotor Protection
.Digital Ammeter & Dinital Troubleshooting
.Selectable Trip time-Current Characteristics
.Independently Adjustable Starting Trip Delay adn Operating Trip Time
+Load Alerting Function --- HTHY-3DE
+Cround Fault Protection --- HTHY-3EZ
HTHY-3DE3EZ
Protection
HTHY-3DE |
HTHY-3EZ |
||
Protective Item |
Trip Time |
Protective Item |
Trip Time |
Over-current |
O-TIME |
Over-current |
O-TIME |
under-current |
0.5-30sec |
under-current |
0.5-30sec |
Phase Loss |
3 sec |
Phase Loss |
3 sec |
Phase Unbalance |
8 sec |
Phase Unbalance |
8 sec |
Phase Reversal |
0.1-0.3 sec |
Phase Reversal |
0.1-0.3 sec |
Locked Rotor |
D-TIME |
Locked Rotor |
D-TIME |
- |
Ground Fault |
0.05-10sec |
Specification
Model |
HTHY-3DE HTHY-3EZ |
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Over Current Setting Range |
Refer Table# 1 |
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Ground Fault Current Setting |
0.02-3A |
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Alert Setting |
50-100%/OFF |
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Start Delay Time Setting (D-TIME) |
1-200 |
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Trip Delay Time Setting (O-TIME) |
INV l-30sec |
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|
DEF l-30sec |
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Control Voltage |
AC110V±l 5%, AC220V±l 5% |
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Output Relay |
Relay 1 |
2-SPST, AC250V/3 A Resistive |
1-SPST, AC250V/3 A Resistive |
Relay 2 |
AL Relay |
Ground Fault Relay |
|
1-SPST, AC250V/3 A Resistive |
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Time Characteristic |
In/"tc" mode Inverse (See Curve-1) |
||
|
dE/"tc" mode Definite (See Cureve-2) |
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Troubleshooling / Trip Indication |
LED Display (SSD+LED) |
||
Current Sensing |
3-CT |
||
Mounting |
35mm Din-rail |
Table# 1. Cur rent Range
Current Setting Range (Amps) |
Number of conductors thru CT windows |
Extermal CT Ratio |
Setting of CT Ratio |
Remard |
0.5-60A |
1 |
- |
OFF (Mode: —) |
Wide Range |
0.25-3.0A |
2 |
- |
2t |
|
0.1-1.2A |
5 |
- |
5t |
|
1-12A |
1 |
10:5 |
10 |
|
1.5-18A |
1 |
15:5 |
15 |
|
2.0-24A |
1 |
20:5 |
20 |
|
2.5-30A |
1 |
25:5 |
25 |
|
3.0-36A |
1 |
30:5 |
30 |
|
4.0-48A |
1 |
40:5 |
40 |
|
5-60A |
1 |
50:5 |
50 |
|
6-72A |
1 |
60:5 |
60 |
|
7.5-90A |
1 |
75:5 |
75 |
|
10-120A |
1 |
100:5 |
100 |
|
12-144A |
1 |
120:5 |
120 |
|
15-180A |
1 |
150:5 |
150 |
|
20-240A |
1 |
200:5 |
200 |
|
25-300A |
1 |
250:5 |
250 |
|
30-360A |
1 |
300:5 |
300 |
|
40-480A |
1 |
400:5 |
400 |
|
50-600A |
1 |
500:5 |
500 |
|
60-720A |
1 |
600:5 |
600 |
|
75-900A |
1 |
750:5 |
750 |
|
80-960A |
1 |
800:5 |
800 |
Typical Wiring
HTHY-3DE
HTHY-3EZ
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