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- EOCR (dry-run protector for magnetic pump)
EOCR (dry-run protector for magnetic pump)
✔ It protects racing (dry-run) by monitoring load current of all three-phase during operation of magnetic pumps.
✔ Automatically indicating the load current alternatively every 5 minutes during operation.
✔ Free power source from 100 to 250V for control.
✔Applicable to inverter control from 20 to 400Hz.
✔Simple installation with the built-in CT.
Features
● It protects dry-running by monitoring load current of all three-phase during operation of magnetic pumps.
● Automatically indicating the load current alternatively every 5 minutes during operation.
● Free power source from 100 to 250V for control.
● Applicable to inverter control from 20 to 400Hz.
● Simple installation with the built-in CT.
Specifications
Common Specifications
| Measuring current range | 0.5~60A | |
|---|---|---|
| Starting delay time | 1 to 200 seconds | |
| Operating delay time | 1 to 30 seconds | |
| Reset | Manual / Control power source shut-off | |
| Operating characteristic | Instant | |
| Ambient temperature | -20~60℃ | |
| Installation | 35mm DIN rail | |
| Control power source | 100~250V | |
| Power consumption | 3W max. | |
Example of Wiring Diagram

To shut at 95-96 and open at 97-98 when tripped.
Output terminals 97-98 are for alarm output and can be used for alarm lamps, etc.
The output terminals 07-08 are shut after starting operation and opened when tripped.
※This is the operation setting at the time of shipment from our factory.
Head Office
1-12-11 Tagawakita, Yodogawa-ku,Osaka
532-0021
Overseas Business Department
TEL +81-6-6301-6460
FAX +81-6-6308-3022




