Schneider Electric Ac Current Relays EOCR - 3DE

  • Compact Design
  • MCU (Microprocessor) Based
  • Multiple Protection Functions
  • Digital Ammeter / 3Phase Current Indicator
  • Practical Error Correction / Process Reason Memory / Display
  • Adjustable Wide Current Range
  • Selectable Time – Current Characteristic (Inverse / Precise )
  • Manual Reset / Electric Remote Reset
  • Test Function
  • Adjustable Trading Options
  • Selectable Fault–Safety and Fail-safe Operating Modes
  • Frequency Inverter (20~400Hz)
  • EOCR-3DE: Panel Mount

3DE

EOCR - 3DE / FDE Technical Specs

Conservation

Protective Item

Trip Time

Over-current

DEF:0.2~30 sec, INV:1~30 class

Under-current

0.5~30 sec

Phase Loss

0.1~0.3sec

Phase Unbalance

within 8 sec

Phase Reversal

0.1~0.3sec

Locked Rotor

Lock : within 0.5sec after D-time(in DEF set) Stall : 0.05 ~ 10sec (in DEF set)

Specification

Current Range

Over-Current(oc)

0.5~960A(Over 60A with External CTs)

Under-Current(uc)

0.5~59A/OFF(Over 60A with External CTs)

Phase Unbalance

5~50%

Alert Setting

50~100% of Oc setting

Time Setting Range

Start Delay Time (D-TIME)

1~200sec (Definitive)

Trip Delay Time Setting (O-TIME)

INV

1-30

DEF

0.2-30 sec

Control Voltage

110VAC±15%, 220VAC±15%, 24VAC/DC

Output Relay

OC/UC

2-SPST, 3A/250VAC Resistive

AL/UC

1-SPST,3A/250VAC Resistive

Time Characteristic

In/"tc"mode

Inverse

dE/"tc"mode

Definite

Trobleshooting/Trip Indication

LED Display(3 Trip causes memory)

Current Sensing

3-CT

Mounting

35mm DIN-Rail/Panel