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PFS2 相故障繼電器
| Introduction: |
| It is a Phase Failure Relay. It is best suitable for protection of balanced 3 phase loads or 3 phase Motor / Pump 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 8 pin Plug-in base mounting & flash mounting enclosure. | |
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| Features: |
· Monitors all 3 phases of Voltage Supply.
· Built-in Auxillary Supply.
· LED Indications for Power ON & Fault.
· Auto Reset.
· 8 PIN socket base mounted Enclosure.
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| Application Areas: |
| It is useful for monitoring incoming Mains Power Supply for unbalance voltage faults in Air-conditioning & Pump Control Panels. It is available in DIN Rail mounting enclosure. | |
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| Technical Specifications: |
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Specifications |
| 1 |
Supply Voltage |
System 110 / 240 / 380 / 415 V AC ±10%, 50 / 60 Hz; Auxiliary Built-in |
| 2 |
Output Contacts |
1 CO |
| 3 |
Trip Setting (Volts) |
Phase unbalance 40V ± 6V (fixed); Under Voltage N.A.; Over Voltage N.A.; Water Level N.A. |
| 4 |
Trip Time Delay |
On Phase Failure/Seq. 3.5 sec. ±1.5 sec. |
| 5 |
Resetting Mode |
Auto |
| 6 |
Weight |
175 gms. |
| 7 |
Dimensions (mm) |
Overall (L x W x D) 50 x40 x 80; Mounting (L x W) 8 - Pin Plug-in | |
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