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 |
|
Short Circuit |
0.05sec |
Specficication
|
Model |
3DS |
FDS |
|
|
Current Setting |
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 |
||