|
|
|
|
| Introduction: |
| It is a Negative Sequence Voltage Sensing Phase Failure Relay with Water Level Control. It is best suitable for Dry run & Phase Loss Protection of 3 phase Submersible Pumps or open well pumps loads only. It offers protection against Phase Failure, Phase Unbalance, Phase Sequence Reversal, Under Voltage & Over Voltage faults. It is useful for incoming side, Mains Supply monitoring, General voltage faults, AMF/Transfer Switch Panels & Pump Control Panels. It is available in DIN Rail mounting enclosure. |
|
|
|
| Features: |
· Monitors all 3 phases of Voltage Supply.
· Water Level Sensing by Single SS electrode.
· Built-in Auxillary Voltage.
· Auto Reset.
· Sleek DIN Rail mounted enclosure.
|
|
|
 |
|
|
|
|
|
|
|
| Technical
Specifications: |
|
|
|
|
|
Specifications |
| 1 |
Supply Voltage |
System 415 V AC 3 Phase ±20%; Auxiliary Built-in |
| 2 |
Output Contacts |
1 CO |
| 3 |
Trip Setting (Volts) |
Phase unbalance 40 V ± 6 V (fixed); Under Voltage N.A.; Over Voltage N.A.; Water Level Single Level Electrode |
| 4 |
Trip Time Delay |
On Phase Failure 3.5 secs ± 1.5 sec.; On UV/OV N.A. |
| 5 |
Resetting Mode |
|
| 6 |
Weight |
320 gms. |
| 7 |
Dimensions (mm) |
Overall (L x W x D) 76 x 30.5 x 117.5; Mounting (L x W) 68 centre to centre |
|
Top