| 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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