top of page

SG12.800SMT Compact High Voltage Cable Fault Location System

The SG12.800SMT is a compact, portable high-voltage surge generator system designed for cable fault location in low- and medium-voltage networks. Delivering up to 12 kV output and 800 J surge energy, it supports DC withstand testing, TDR methods, ICM impulse current, and MIM/ARC multiple impulse methods (with TDR.950A). It also integrates seamlessly with the GM Series acoustic pinpointing receivers for accurate fault location. At just 25 kg in a rugged wheeled case, the SG12.800SMT is optimized for mobility, safety, and efficient fault diagnostics in the field.

Key Features

  • Output surge voltage: 0–12 kV (continuously variable)

  • Surge energy: 800 J (8 μF capacity)

  • DC withstand voltage: 0–12 kV / 0–164 mA continuous

  • Impact power: 400 W

  • Impulse frequency: 0–20 impulses per minute

  • Negative polarity output

  • Lightweight 25 kg design in a wheeled moulded case for portability

  • Integrated power capacitor for stable output and reduced leakage

  • Safety features: zero voltage start, automatic discharge when power off

  • Flexible test modes:

    • Single surge for pre-location of fault distance

    • Cycle surge for acoustic pinpointing

    • DC withstand testing for insulation condition assessment

  • Suitable for field and rapid-response crews

Technical Specifications

  • Mains supply: 220–230 V (optional 110–120 / 240 V with isolating transformer)

  • Frequency: 45–60 Hz

  • Impulse sequence: Single-shot or variable

  • Operating temperature: –20 °C to +60 °C

  • Humidity: 5–90% RH

  • Elevation: <4500 m

  • Dimensions: 540 × 400 × 450 mm

  • Weight: 25 kg

Included In System

  • High Voltage Surge Generator ×1

  • High Voltage Test Lead ×1

  • Power Cord ×1

  • Ground Wire Set ×1

  • Discharge Rod ×1

  • 8 A Spare Fuses ×5

  • User Manual ×1

  • Factory Conformance Certificate ×1

  • Warranty Certificate ×1

  • TDR 750A (included)

Optional Add-Ons

GM.1000 cable fault locatorr (for fault location support)

bottom of page