产品名称： PFS3相故障继电器

PFS3相故障继电器

Introduction: It is a Phase Failure 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 11 PIN Plug-in base mounting & flash mounting enclosure.

Features: · Monitors all 3 phases of Voltage Supply. · Built-in Auxillary Supply. · Auto Reset. · Adjustable trip time delay (1-5 sec.) · 11 PIN socket base mounted Enclosure.

Application Areas: NA

Technical Specifications:

Sr. Parameter Specifications 1 Supply Voltage System 240 / 380 / 415 V AC ± 15%, 50-60Hz; Auxiliary Built-in 2 Output Contacts 2 CO 3 Trip Setting (Volts) Phase unbalance 30 V to 70 V ±6V (adjustable); Under Voltage N.A.; Over Voltage N.A.; Water Level N.A. 4 Trip Time Delay On Phase Failure/Seq. 1 - 5 secs. (variable) 5 Resetting Mode Auto 6 Weight 250 gms. 7 Dimensions (mm) Overall (L x W x D) 80 x 35 x 95; Mounting (L x W) 11 - Pin Plug-in