PFS1 相故障继电器 这些继电器检测系统供电的负序电压组件，适用于三相负荷监控输入电源。 它可以防止相失衡、相序颠倒等情况的发生，这些情况会对电机绕组产生危险并引起电机烧毁。 型号及名称 | P1PFS1 | | 供电电压 | | 系统 | 110/240/380/415 V AC ±10%， 50/60Hz | 辅助 | 内置 | 输出触点 | 1 CO (按正确的相序进行采集 ) | 跳闸设置值 ( 伏特 ) | 无 | 相序 | 有 | 相位失衡 | 无 | 跳闸延时开启断相/相序 | 无 | 水位 | 无 | 跳闸延时 | 无 | 重置模式 | 自动 | 重量 | 90克 | 尺寸 (mm) ： | 外形尺寸（长 × 宽 × 高） | 50x40x80 | 安装尺寸（长 × 宽） | 8-针插入 |
| 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. |
| | | 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 |
| | | Technical Specifications: | | | | 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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