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

EOCR-FMZ : Relay bảo vệ quá dòng, mất pha, mất cân pha, đảo pha, lock rotor, màn hình rời của Samwha

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

Main Features

  • Compact Design
  • 3MZ:Panel Mounting Type
  • FMZ:Panel Flush Mounting Type
  • MCU( Microprocessor Control Unit ) amp; ASIC Based
  • Three Integral Current Transformers
  • Over current/Under current/Phase Loss/Phase Reversal/Phase
  • Unbalace/Locked Rotor/Ground Fault
  • Digital Ammeter
  • Troubleshooting/Trip Cause Memory, Display
  • Adjustable Operating Features by Pulse Rotary switch
  • Wide Current Adjustment Range
  • Selectable Time-Current Characteristics(Inverse/Definite)
  • Manual Instantaneous/Electrical Remote Reset
  • Precise Ground Fault protection
  • Ambient Insensitive
  • Selectable Fail-safe and Non-fail-safe Operation Modes

Protection

Protective Item

Trip Time

Over-current

DEF : 0.2 ~ 30sec INV : 1 ~ 30

Undercurrent

0.5~30sec(DEF)

Phase Loss

within 3sec

Phase Unbalance

0.1sec

Phase Reversal

8sec

Locked Rotor

Lock

0.5sec after dt

stall

1~10sec

Ground Fault

0.1~10sec

Specficication

Model

3MZ/FMZ

Current Setting Range

Over-Current(oc)

0.1~800A

(Over 20A with External CTs)

Under-Current(uc)

0.5~under OC setting

Ground Fault Current(Ec)

A:0.03~2.5A/B:0.5~10A

Time Setting

Starting Delay Time(dt)

OFF~200sec

Over-Current Trip (ot)

DEF:0.2~30sec/INV:1~30

Under-Current Trip (ut)

0.5~30sec(DEF)

Ground Fault Trip Delay(Et)

0.1~10sec

Conrol Power

220

85~250VAC/DC, 50/60Hz

Output Relay

O.L

1-SPST,3A/250VAC, Resistive

G.R

1-SPST, 3A/250VAC, Resistive

Environment

Temperature

Store

-30 ~80 ℃

Operation

-30 ~60 ℃

Humidity

30~85%RH, Non-condensation

Display

7-Segment LEDs

3 Phase current, 3 Trip causes, Run time


Bar-Graph

% of existing Current vs OC setting current

Mounting

35mm DIN-Rail

THỐNG KÊ TRUY CẬP

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