Current Relay

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220V Current Protection Relay

.MCU Based
.3 Integral Current Transformers
.Over-current, Under-Current, Phase Loss, Phase
.Unbalance, Phase Reversal, Locked Rotor Protection

Product Description

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

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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

Over Current Setting Range

Refer Table# 1

Ground Fault Current Setting

0.02-3A

Alert Setting

50-100%/OFF

Start Delay Time Setting (D-TIME)

1-200

Trip Delay Time Setting (O-TIME)

INV l-30sec


DEF l-30sec

Control Voltage

AC110V±l 5%, AC220V±l 5%

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

Time Characteristic

In/"tc" mode Inverse (See Curve-1)


dE/"tc" mode Definite (See Cureve-2)

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

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HTHY-3DE

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HTHY-3EZ

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