Apart from manufacturing the mentioned test sets, we also manufacture equipment according to 
  specific requirements of customer.

    pRnt02

    rnt5 & rnt5a

     RNT33 & znt33

     RNT3

     scnt2a

     GPRNT2

     GPRNT4

     variable frequency source to test frequency relay

     Time interval meter (1 & 3 channel)

     phase shifting transformer

  This is a portable Relay Testing Kit in two units suitable to test different types of relays like over current, 
  overvoltage, undervoltage, earthfault etc. This set is suitable to be used both in laboratory as well as at 
  site.

  Input: 230 volts, single phase, and 50Hz. AC.

  Output(s):
  a)      Current output(s) available one at a time by smooth variation of variable  autotransformer.
       Range: 0-1,5,10,25 & 50A. Capacity: 500VA Max.
        Multi-ratio wound primary measuring CT with digital metering.
        Protection against overload, short circuit provided.

  b)   Voltage Output(s): 
      1)  Continuously variable 0 to 250V AC at 2A Max. with digital metering.
     2)  Fixed 30V, 63.5V & 110V DC voltage of 50VA capacity, selectable one at a time.

   Output a) or b) available at a time.

  c)   Time Interval Meter Measuring Range : 9.999secs. & 99.99secs.

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RNT5 & RNT5A are portable Relay Testing Kit in one unit suitable to test different types of  relays like over current, overvoltage, undervoltage, earthfault etc.

RNT5A Relay Test Set (Type: RNT-5A)

  Input: 230 volts, single phase, 50Hz. AC.

  Output(s):
  a) Current output(s) available one at a time by smooth variation of variable autotransformer.

Type                   Current Range                                 Capacity 

RNT5          0-1,2,5,10,20,50,100 & 200A AC         600VA Max.

RNT5A        0-5,10,25,50,100 & 200A  AC            1200VA Max.

        Multi-ratio wound primary measuring CT with analog metering.   
  Protection against overload, short circuit provided.

b)    Voltage Output(s): 
         Continuously variable 0 to 250volts AC at 2A Max. with analog metering.
         Fixed 50V & 110V AC at 2 A, selectable one at a time.

         For RNT5 either a) or b) output is available.
         For RNT5A, fixed voltage output facility is not provided.

c)    Time  Interval Meter Measuring Range:  9.999secs. & 99.99secs. 

 "NTPL" make Relay Test Set, RNT33 & ZNT33 are suitable for testing distance relays. However, other relays 
  like overcurrent, over voltage, undervoltage, earthfault etc. can also be tested by this relay test set. 

ZNT33

  Input Voltage:   415V+10%, 3 phase, 4 wire, 50Hz. AC. 

  Output(s):
  [a] Current output(s) [3 phase] available by smooth variation of variable autotransformer. 
    Range: 0 to 1,5,10,25 & 50A having 0 to 100% regulation in each tap selectable one at a time. 
    Rated maximum burden: 250VA.
    Protection against overload, short circuit provided.
    Multi-ratio wound primary measuring CT.

  [b] Voltage Output(s):
  RNT33:
    110V, 3 phase 50Hz. AC having 6 different taps at 10%, 70%, 80%, 90%, 100% & 110%.
    Rated maximum burden: 250VA.
    Only B phase is continuously variable at any of the selected tap voltage.
    DC voltage source: Isolated 0-110V/220V continuously variable DC of 100VA, without metering will be 
     available for 30 mins. 
    
   ZNT33: 
    110V AC, phase to phase, 63.5V phase to neutral, 3 phase 50Hz. AC  continuously variable from  0 to 
      110%. Rated maximum burden: 250VA.  
    DC voltage source: Isolated 30V/110V/220V continuously variable DC of 100 VA, without metering will 
      be available for 30 mins.                                  

  [c] Phase Shifter 
  Phase Shifting can be done at any value between 0 to 360⁰ by coarse & fine control. Capacity: 250VA. 
  
  [d] Time Interval Meter Measuring Range: 9.999secs. &  99.99secs.

  Special feature:
  ZNT33:  Added facility over RNT33 is in selection of fault vector in 1 phase to earth fault or phase to  
  phase fault. In ZNT33, the voltage of the healthy phase will remain unaltered.

  Current, Voltage, Phase angle variation, Timer measurement will be indicated by respective digital meters.

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                                                                                   RNT3 

  “NTPL” make RNT3 is a portable Relay Test Set in one unit suitable to test distance relays. It can also be 
  used for testing power directional relays, voltage relays, current relays etc.

  Input: 400 V or 110V, 50Hz., 3 phase, 4 wire  AC

  Output(s)
   [a]       Current Output (any one of the 3 phases, selectable at a time) available by smooth  
               variation of variable autotransformer. 
            Range: - 0 to 1,5,10 & 50A having 0-100% regulation. Capacity: 200VA Max.
            Protection against overload, short circuit provided.

   [b]       Voltage Output (any one of the 3 phases, selectable at a time):
              110V (ph. to ph.)  Or  63.5 V (ph. to n).
            Capacity: 200VA Max.

   [c]       Phase Shifter
            Phase Shifting can be done at any value between 0 to 360⁰ by coarse & fine control. 
            Capacity: 200VA Max.

  Current, Voltage & Phase Angle Variation will be indicated by respective digital meters.

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SCNT2A       

  This is a portable Secondary Current Injection Kit in one unit, suitable to test protective device like relays, 
  circuit breakers and similar equipment. The Set is designed for both laboratory and field use.

SCNT2A

  Input: 230volts, single phase, 50Hz. AC.

  Output(s):
  a)   Current output (One output at a time.) continuously variable by smooth variation of variable 
       autotransformer .
       Range: 0 to 1,5,10,20,30 & 60A having 0-100% regulation.
       Capacity: 500VA Max.
    Multi-ratio wound primary measuring CT with analog metering.
    Protection against overload, short circuit provided. 

  b)  Voltage Output: 
     Continuously variable 0 to 250 V AC or DC with analog metering. Capacity: 2A Max.       

  c)   Time Interval meter Measuring Range: 9.999secs. Or  99.99secs. 

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                                                                                  GPRNT2 

This is a portable Testing Kit in one unit, suitable to test different types of relays like overcurrent, under or over voltage, overload, various AC & DC auxiliary relays. 

  Input: 230volts, single phase, 50Hz. AC.

  Output(s):
  a)      Current output (One output at a time) continuously variable by smooth variation of variable 
          autotransformer .
          Range: 0 to 5, 20 & 60A having 0-100% regulation.
          Capacity: 300VA Max.
         Multi-ratio wound primary measuring CT with analog metering.
         Protection against overload, short circuit provided.

  b)    Voltage Output(s): 
             AC Voltage Output:
             Continuously variable 0 to 150V AC at 1 A or 0 to 300V AC at 0.5A.
             Fixed DC Voltage Output:
             30V, 110V, 220V DC selectable one at a time. Capacity: 50VA.
             Analog metering provided.

   c)     Time Interval meter Measuring Range: 9.999secs. &  99.99secs.

   d)    Facility for continuity test provided. Polarity test of CT & PT also provided.

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                                                                 GPRNT4

  This is a portable Relay Testing Kit in one unit, suitable to test different types of relays like overcurrent,  
  overvoltage, undervoltage, overload, various AC & DC auxiliary relays  etc. 

  Protection against overload, short circuits, voltage spikes are provided. The Set has high immunity against 
  external electric and electromagnetic fields noise etc.

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                                           Time Interval Meter (1 & 3 channel) 

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