产品名称：PP D1 相故障继电器

PP D1 相故障继电器

Introduction: It senses the Negative Sequence Voltage components of the system supply. 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. It is useful for monitoring incoming Mains Power Supply for unbalance voltage faults in Air-conditioning & Pump Control Panels. It is available in DIN Rail mounting enclosure.

Features: · Monitors 3 phase Voltage Supply. · Suitable for any System Voltage. · No external auxiliary Supply required (Built in Aux. Supply). · Auto Reset. · 2 CO output contacts. (For 1CO output use VSP D1 model) · Power ON & Trip LED indication. · Sleek DIN Rail mounted D1 Enclosure.

Application Areas: Hoist motors, small machines, compressor motor.

Technical Specifications:

Sr. Parameter Specifications 1 Supply Voltage System 240 / 380 / 415 V AC ±20%; Auxiliary Built-in 2 Output Contacts 2 CO 3 Trip Setting (Volts) Phase unbalance 40 V ±6 V (fixed); 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 6 Weight 320 gms. 7 Dimensions (mm) Overall (L x W x D) 76 x 30.5 x 117.5 mm; Mounting (L x W) 68 centre to centre