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PFS1 相故障繼電器
這些繼電器檢測系統供電的負序電壓元件，適用於三相負荷監控輸入電源。 它可以防止相失衡、相序顛倒等情況的發生，這些情況會對電機繞組產生危險並引起電機燒毀。
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型號及名稱 |
P1PFS1 |
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供電電壓 |
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系統 |
110/240/380/415 V AC ±10%， 50/60Hz |
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輔助 |
內置 |
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輸出觸點 |
1 CO (按正確的相序進行採集 ) |
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跳閘設置值 ( 伏特 ) |
無 |
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相序 |
有 |
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相位失衡 |
無 |
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跳閘延時開啟斷相/相序 |
無 |
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水位 |
無 |
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跳閘延時 |
無 |
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重置模式 |
自動 |
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重量 |
90克 |
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尺寸 (mm) ： |
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外形尺寸（長 × 寬 × 高） |
50x40x80 |
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安裝尺寸（長 × 寬） |
8-針插入 |
| Introduction: |
| It is Phase Sequence 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 phase sequence of 3 phase voltage.
· Built-in Auxillary Supply.
· Auto Reset.
· 8 PIN socket base mounted Enclosure.
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| Application Areas: |
| Suitable for monitoring the Phase reverse conditions. Hoist Motors Small Machine tools Compressor motors LT Power Distribution Board | |
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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 N.A. |
| 2 |
Output Contacts |
1 CO (Pick-up on correct phase sequence) |
| 3 |
Trip Setting (Volts) |
Phase unbalance N.A.; Under Voltage N.A.; Over Voltage N.A.; Water Level N.A. |
| 4 |
Trip Time Delay |
On Phase Failure/Seq. N.A. |
| 5 |
Resetting Mode |
Auto |
| 6 |
Weight |
90 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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