Portable AC Hipot for Apparatus Testing

in the ?

Features and Benefits

The PFT-303CM AC hipot test set provides continuously adjustable output voltages for overvoltage withstand testing of the following:

  • Switchgear
  • Circuit breakers
  • Reclosers
  • Vacuum bottles
  • Hot sticks
  • Motor windings
  • Other high voltage insulation requiring AC


  • Fixed overload, factory set to 120% of rated output current
  • Zero start and external interlock provision
  • Secondary connected dual-range voltmeter
  • Three-range current meter with isolated guard/ground return circuit
  • Capacitive load compensation
  • Shielded output cable
  • One-piece portable design
  • Automatic transit protected meters
  • Rugged case with cushion grips
  • Simple controls


Input: 120 V, 60 Hz, 15 A <strong
(F) 230 V, 50/60 Hz, 8 A
Output: 0-30 kV AC, 1 kVA resistive load:
3 kVA capacitive load
Up to 100 mA current
Output current is reduced at lower voltages
Duty: 3 kVA: 1 hour ON, 1 hour OFF
1.5 kVA: continuous
Voltmeter: 3.5″, scaled 0-12/30 kV AC, ±2% F.S.
Current Meter: 3.5″, scaled 0-1 mA, ±2% F.S. with range multipliers of x1, x10, x100 guard/ground load return
Distortion: Less than 5%
Size & Weight: (W x D x H) 21 x 11.25 x 15.25 in., 75 lb.
534 x 286 x 387 mm, 34 kg
Output Termination: 20 ft. (6 m) shielded EPR output cable with alligator clamp Remains flexible in cold weather
Options: The PFT-303CM AC hipot can be upgraded to include a fault burning circuit.