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CFL SG 3220 Surge Generator

The CFL SG 3220 is a high-energy surge generator providing up to 32 kV and 2000 J for fault location on LV to EHV cables. It interfaces with CFL Prelocators and Pinpointing sets for accurate distance measurement and fault pinpointing. Optional DC Hi-Pot, Burn-Down and Sheath-Fault modes make it a versatile multi-function cable test platform.

Key Features

  • Output ranges 0–8 / 16 / 32 kV (up to 2000 J)

  • Ideal for LV to EHV power cables

  • Supports ICM, SIM, MIM methods with Prelocator

  • Optional DC Hi-Pot, Burn-Down & Sheath Fault modes

  • Automatic discharge & comprehensive interlocks

  • Built-in current coupler for distance measurement

  • Air-cooled design with rugged construction

  • Mounted on wheels for field mobility

Technical Specifications

Parameter Specification
Output Voltage 0–8 / 16 / 32 kV
Energy 2000 J (max each range)
Input Supply 230 V AC ± 10 %, 1.8 kVA
Impulse Rate Manual / 3 / 6 / 9 s (selectable)
Accuracy ± 5 % of range
Dimensions 835 × 810 × 880 mm
Weight ≈ 160 – 165 kg
Environment 0 – 50 °C, ≤ 95 % RH

Standard Accessories

  • HV output cable (5–50 m options)

  • Auxiliary earth cable with spike

  • Master earth cable

  • Mains supply cable

  • Soft bag with D-frame (for sheath mode option)

  • Factory test report & manual

  • Spare fuse set

Optional Modes / Add-Ons

  • DC Hi-Pot (0–32 kV / 6–24 mA / 5–15 min)

  • Burn-Down (0–8–32 kV / 60–240 mA)

  • Sheath Fault (0–8 kV / 240 mA)

  • Cable Drum Manual / Motorised options

Applications

  • Pre-location and pinpointing of HV cable faults

  • DC insulation and sheath testing

  • Fault conditioning and burn-down on paper or XLPE cables

  • Industrial and utility maintenance teams

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