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

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

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

Main Features

 

  • MCU( Microprocessor Control Unit ) Based Compact Design
  • Digital Ammeter
  • Multiple Protection Functions
  • Trobleshooting/Trip Cause Display
  • Run Monitor & Load Alert Function
  • Selectable Trip Time Characteristics
  • Manual Instantaneous/ Electrical Remote Reset
  • Test Function
  • Ambient Insensitive
  • Faill-safe Operation(No Volt Release)
  • Ambient Insensitive
  • Over Current/Phase loss/Phase Reversal/Locked Rotor/Phase Unbalance

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 0.5 Sec 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

 

Specficication

Current Setting

(IS)

Type

Range

05

0.5 ~ 6/10A

60

5 ~ 60A

100

10 ~ 120A

with Ext. CT

150

15 ~ 180A

200

20 ~ 240A

300

30 ~ 360A

400

40 ~ 480A

500

50 ~ 600A

600

60 ~ 720A

Start Time Setting

(D-TIME)

SW3-INV/On

0 - 120sec

SW3-DEF/Off

1 - 120sec

Alert Setting

50~100% of Oc setting (Is)

Trip Time Setting (O-TIME)

SW3-INV/On

1-30

SW3-DEF/Off

0.3-25sec

Conrol Voltage

24

24VAC/DC

220

85-250VAC/DC

440

320-480VAC/DC

Output Relay

OL

2-SPST, 3A/250VAC Resistive (1a1b)

AL

1-SPST, 3A/250VAC Resistive (Nomally De-Energized)

Trip Time Characteristic

3DD/FD

SW3

off-DEF On-Inv

Mounting

3DD

35mm DIN-Rail

FD

Display

Flush

Converter

35mm DIN-Rail

Connection

Interface Cable

THỐNG KÊ TRUY CẬP

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