ZHEJIANG HUAYANG ELECTRIC CO., LTD.
EOCR-3DM 3MS 3MZ

EOCR-3DM 3MS 3MZ

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EOCR-3DM 3MS 3MZ Digital Over Current Thermal Relay

Our offered Digital Over Current Thermal Relay has been ruggedly engineered to render durability, reliability and long lasting performance. The working of this thermal relay is based upon the heating of a bimetallic strip that easily gets heated up from the current flowing into the coil of the system.

Eocr-3dm/3ms/3mz Digital Electronic Over Current Thermal Relay

Protection:


Trip Time

Protective Item

3DM

3MS

3MZ

Over-current

DEF: 02 ~ 3.0 sec, INV: 1 ~ 30

DEF: 02 ~ 3.0 sec, INV: 1 ~ 30

DEF: 02 ~ 3.0 sec, INV: 1 ~ 30

Under-current

0.5 ~ 3.0 sec(DEF)

0.5 ~ 3.0 sec(DEF)

0.5 ~ 3.0 sec(DEF)

Phase Loss

3 sec

3 sec

3 sec

Phae reversal

0.1 sec

0.1 sec

0.1 sec

Phase Unbalanced

8 sec

8 sec

8 sec

Locker Rotor

Lock

0.5 sec after dt

0.5 sec after dt

0.5 sec after dt

Stall

1 ~ 10 sec

1 ~ 10 sec

1 ~ 10 sec

Ground Fault

-

-

0.1 ~ 10 sec

 

Specification:

Model


3DM

3MS

3MZ

Current Setting Range

Over-Current(oc)

Refer to, Table #1

Refer to, Table #1

Refer to, Table #1

Under-Current(uc)

0.5 ~ under OC setting

0.5 ~ under OC setting

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

OFF ~ 200sec

OFF ~ 200sec

Over-Current Trip Delay(ot)

DEF : 02 ~ 3 0sec / INV : 1 ~ 30

DEF : 02 ~ 3 0sec / INV : 1 ~ 30

DEF : 02 ~ 3 0sec / INV : 1 ~ 30

Under-Current Trip Delay(ut)

0.5 ~ 3 0sec(DEF)

0.5 ~ 3 0sec(DEF)

0.5 ~ 3 0sec(DEF)

Ground Fault Trip Delay(Et)

-

-

0.1 ~ 10 sec

Control Power

220

85 ~ 250VAC / DC, 50/60 Hz

85 ~ 250VAC / DC, 50/60 Hz

85 ~ 250VAC / DC, 50/60 Hz

Output Relay

OL

2-SPST, 3A/250VAC, Resistive

2-SPST, 3A/250VAC, Resistive

1-SPST, 3A/250VAC, Resistive

AL(GR/SC)

1-SPST(AL)

1-SPST(S.C)

1-SPST(GR)

Environment

Temperature

Store

-3 0°C ~ 80°C

-3 0°C ~ 80°C

-3 0°C ~ 80°C

Operation

-2 0°C ~ 60°C

-2 0°C ~ 60°C

-2 0°C ~ 60°C

Humidity

30 ~ 85RH, Without condensation

30 ~ 85RH, Without condensation

30 ~ 85RH, Without condensation

Display

7-Segment LEDs




Bar-Graph




Mounting


35mm Din-rail

35mm Din-rail

35mm Din-rail

35mm Din-rail