Prok Devices Private Limited
Prok Devices Private Limited
Rajaji Nagar, Bengaluru, Karnataka
GST No. 29AAACP7896A1Z5
Call 08048764939 81% Response Rate
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Power Factor Correction Relay

Providing you the best range of automatic power factor correction relay with effective & timely delivery.
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Automatic Power Factor Correction Relay
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Automatic Power Factor Correction Relay

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Product Brochure
Gained prominence in the industry as a manufacturer, supplier, exporter and trader, we are engaged in offering Automatic Power Factor Correction Relay. Offered with on-line monitoring of line PF through industrial grade back-lit LCD display, these relays have no complicated setting procedure and have user friendly interface. Additionally, these relays are applicable for various industrial applications and wherever energy conservation is vital.


  • Easy to handle
  • Independent of frequency
  • Easy maintenance


  • Feeder KVAR entry through Keyboard
  • Fine tuning possible ( independent of ratio's)
  • Absolute value of KVAR
  • User entered parameter is stored in non-volatile memory (EEprom)
  • CT Ratio & System Voltage user selectable through key board display
  • Independent of Frequency
  • Most Optimum combination obtained through advanced control programming
  • RISC architecture dedicated Microcontroller based
  • Target pf 0.80lag to 0.90 lead selectable through key board display
  • Auto/Manual mode
  • No complicated setting procedure
  • User friendly interface
  • Single line 16 character back-lit LCD display for P.F & entering parameters and
  • LED indication for capacitor bank status
  • Software set dead band for hunt-free operation
  • Display indication for PT failure
  • Display of reversal of polarity of CT
  • Under current indication


  • Current: CT secondary, 5 Amps, CT can be mounted on any phase of the main incomer (1 Amp model is available on request)
  • Voltage: Built in PT, can be connected between remaining two phases
  • Aux. Supply: 85-275V AC/DC
  • Indication: 16 Character back-lit LCD Display
  • CT Burden: 0.25 VA
  • Capacitor stage: 4,6,8,10 & 12 stages
  • Switching time: 60 Seconds
  • Dimensions:144x144x120 mm (HxWxD)
  • Panel Cut-out: 137x137 mm



  • Industrial application where inductive load which are critical like inching load & furnaces, i.e. Dynamic loads
  • Application wherever energy conservation is vital

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