EOCR-3DS : Relay bảo vệ quá dòng, mất pha, mất cân pha, đảo pha, lock rotor của Samwha

EOCR-3DS : Relay bảo vệ quá dòng, mất pha, mất cân pha, đảo pha, lock rotor của Samwha

EOCR-3DS : Relay bảo vệ quá dòng, mất pha, mất cân pha, đảo pha, lock rotor của Samwha (Bây giờ là Schneider Electric)

EOCR-3DS : Relay bảo vệ quá dòng, mất pha, mất cân pha, đảo pha, lock rotor của Samwha (Schneider)

Main Features

  • Compact Design
  • MCU( Microprocessor Control Unit ) Based
  • ASIC(Application Specific Integrated Circuit)Inside
  • Three Integral Current Transformers
  • Overcurrent/Phase Loss/Phase Reversal/Phase Unbalace/Locked Rotor/Short Circuit
  • Digital Ammeter
  • Troubleshooting/Trip Cause Memory, Display
  • Adjustable Operating Features by DIP switch Setting
  • Wide Current Adjustment Range
  • Selectable Time-Current Characteristics(Inverse/Definite)
  • Manual(Instantaneous)/Electrical(Remote)Reset
  • Test Function
  • Ambient Insensitive
  • Selectable Fail-safe and Non-fail-safe Operation Modes

Protection

Protective Item

Trip Time

Over-current

DEF : 0.3 ~ 25sec INV : 1 ~ 30

Phase Loss

within 4sec

Phase Unbalance

8sec

Phase Reversal

0.1sec

Locked Rotor

DEF : within 0.5sec after dt
INV : If D-Time=0sec
Operating according to Cold-curve
If D-Time=Over 0sec
Operating according to Hot-curve
after D-time set

Short Circuit

0.05sec

 

Specficication

Model

3DS

FDS

Current Setting

(IS)

Type

Setting Range

05

0.5 ~ 6/10A

20

5 ~ 20A

100

10 ~ 120A

Wth External CTs

150

15 ~ 180A

200

20 ~ 240A

300

30 ~ 360A

400

40 ~ 480A

500

50 ~ 600A

600

60 ~ 720A

Short Circuit -current Setting

05

300 - 1800%of Is

20

300 - 1800%of Is

Start Delay Time Setting(D-TIME)

SW3-INV/On

0~200sec

SW3-DEF/Off

1~200sec

Trip Time Setting (O-TIME)

SW3-INV/On

1-30

SW3-DEF/Off

0.3-25sec

Conrol Voltage

85-250VAC/DC, 24VAC/DC

Output Relay

OL

2-SPST, 3A/250VAC

S.C

1-SPST, 3A/250VAC

Time Characteristic

SW3-INV/On

Inverse

SW3-DEF/Off

Definite

Trobleshooting/Trip Indication

LED Display

Current Sensing

3-CT

Mounting

35mm DIN-Rail/Panel

 

THỐNG KÊ TRUY CẬP

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