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SP D2 相故障繼電器
| Introduction: |
| It is a Negative Sequence Voltage Sensing Phase Failure Relay. It is best suitable for 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 DIN Rail mounting enclosure. | |
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| Features: |
· Monitors all 3 Phases of Voltage Supply.
· Available for any System Voltage.
· External Aux.supply.
· Auto Reset.
· Sleek DIN Rail mounted Enclosure.
· 2 CO output contact.
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| Application Areas: |
| Protection for LT, HT Motors Auto Transformer Starter Panels General Purpose machines Motor Starter Panels / MCC s Crane Motor Control Panels Air-conditioning Machines Compressor Control Panels Centrifuge Machines | |
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| Technical Specifications: |
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Specifications |
| 1 |
Supply Voltage |
System 240 / 380 / 415 V AC ±20%; Auxiliary 110 / 240 / 380 / 415 V AC ±20% |
| 2 |
Output Contacts |
2 CO |
| 3 |
Trip Setting (Volts) |
Phase unbalance 30 V to 70 V ±6 V (adjustable); 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 / Manual / Remote |
| 6 |
Weight |
400 gms. |
| 7 |
Dimensions (mm) |
76 x 56.5 x 117.5; Mounting (L x W) 67 x 46 | |
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