STX40 | Portable Fault Location System

STX40 | Portable Fault Location System

With its single rotatory knob or touch screen control, andfully automated motorised HV switches the STX 40 is themost convenient and most powerful portable fault locationunit in the market. It is ideally suited for all essential faultlocating tasks, namely analysing, prelocating and pinpointingof faults on low voltage and medium voltage XLPE or EPRinsulated cables. With its 40 kV DC source and a potent highfrequency burner it is also highly effective on PILC cables.

  • True portable outdoor-ready unit, IP 43
  • Very easy to use 'turn and click' single rotary knob interface
  • Surge/thump energy 2000 Joules
  • DC testing up to 40 kV, surging/thumping up to 32 kV, burning up to 40 kV
  • Pre-location methods: Inductive ARM with multishot, ICE, and DECAY
  • Built-in safety circuits for earth connection monitoring (F-Ohm) and touch potential monitoring (F-Voltage)
  • Full TDR control of all HV functions

The STX40 portable fault location system is the most powerful of its kind in the market. It is ideal for proof testing, analysing, pre-locating and pinpointing faults on extruded low voltage and medium voltage XLPE- and EPR-insulated cables. With its 40 kV DC source, and a potent high frequency burner, it is also highly effective on PILC cables.

The STX40 is fully automated with motorised HV switches controlled by either the rotary knob or the industry-grade colour touch screen.

The key features at a glance


  • Outdoor unit with exceptional all-terrain mobility:Lightweight, rainproof, optimised center of gravity,large pneumatic tires, adjustable handlebar, IP 43 rating,119 kg (262 lbs)
  • Bright, sunlight readable 10.1" color display■ Automatic operating mode selection and execution viasoftware-controlled HV motor switches
  • To identify different types of faults: Insulation test up to20 kV and 650 MΩ■ DC test (DC hipot) up to 40 kV, with automatic voltagebreakdown detection and ramp function■ Built-in and functionally integrated Radar/TDR as well asARM, ICE and DECAY prelocation methods
  • Surging (Thumping) at 8/16/32 kV with 2,000 JOptionally available: additional 4 kV stage with 1,100 J
  • High frequency burn mode with up to 40 kV DC and upto 850 mA, for improved fault conversion performanceover conventional burn-down units with burn transformer

STX40 Portable Cable Fault Location System






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