产品名称：SP D2 相故障继电器

SP D2 相故障继电器

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.

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.

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

Technical Specifications:

Sr. Parameter 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