产品名称：PFS1 相故障继电器

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。

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.

Application Areas: Suitable for monitoring the Phase reverse conditions. Hoist Motors Small Machine tools Compressor motors LT Power Distribution Board

Technical Specifications:

Sr. Parameter 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