Megger EZ-Thump 3 kV / 4 kV Portable Cable Fault Location System

The Megger EZ-Thump 3 kV and 4 kV are for street lighting crews, solar farm O&M teams with buried and tray cables, industrial plants and utility LV networks. In Megger’s current V3 range table, the dual-stage 3 kV model is rated “best” for LV shielded and unshielded cables, street lights and solar cables, and the 4 kV model “good”. Its two stages (0–1.5 kV and 0–3 kV) let you stay within 3 Uo on 600 V cables (1.8 kV) and on 1000 V cables (3 kV).

The E-TRAY screen guides the operator through a set order. A hipot test finds the fault type and any breakdown voltage. TDR then finds the cable end and the distance to the fault (range up to 52 km, 100 MHz sampling, 0.8 m resolution at 80 m/µs, up to 256 trace pairs compared on screen). For high-resistance and flashing faults, arc reflection uses multishot TDR to pick the clearest trace. The 500 J surge then thumps every 5–10 seconds, or as a single shot, so you can pinpoint the fault with an acoustic receiver. Megger says low-resistance faults in unshielded cables are pinpointed with the ESG NT by the step-voltage method. Sheath testing and sheath fault locating are built in, and sectionalizing is an option. Conditioning current reaches 94 mA on the 3 kV model and 35 mA on the 4 kV.

It runs from an internal 24 V, 5 Ah NiMH battery (about 30–60 minutes of thumping, about 3 hours to recharge, field-replaceable) or from 100–230 V AC, and it can charge while running on AC. The F-Ohm interlock checks that there is no potential difference between earth and return before high voltage is enabled. It also has an emergency stop, a key switch and an input for a remote EMERGENCY OFF box. The V3 has a 7-inch 1280 × 800 HiBrite display. It is rated IP53 with the top open, works from −20 to +50 °C, weighs 34 kg and measures 35.5 × 28 × 64 cm. A wheel kit is optional.

MME is an authorized Megger representative in the UAE. See the Megger range and our cable fault detectors. For MV cables, see the Megger EZ-Thump 12 kV. To pinpoint the thump faster, see the Megger digiPHONE+2 shock wave receiver. For low-resistance faults on unshielded cable, see the Megger ESG NT2 ground fault locator. Other LV options are the Megger M-THUMP5 and the Megger Fault Sniffer 2 gas detector.

Megger EZ-Thump 3 kV / 4 kV Overview

The Megger EZ-Thump series — the EZ-Thump 3 kV and EZ-Thump 4 kV models — is a highly portable fault location technology for low-voltage power cables, both shielded and unshielded. Designed for utility and industrial professionals, these compact systems provide an efficient, intuitive solution for rapid fault detection and resolution in cable networks.

Key features of the Megger EZ-Thump 3 kV / 4 kV fault locators

What the EZ-Thump 3 kV and 4 kV give a fault crew:

• Highly portable fault location for low-voltage shielded and unshielded cables
• EZ-Thump 3 kV: dual-stage 500 J surge energy at 1.5 kV and 3.0 kV
• EZ-Thump 4 kV: single-stage 500 J surge energy at 4.0 kV
• Combined pre-location and pinpointing in one compact unit
• Intuitive, guided operation for rapid results with minimal training
• Rugged, field-ready design for utility and industrial use

Megger EZ-Thump 3 kV / 4 kV cable fault location applications

The EZ-Thump 3 kV and 4 kV are used to detect and pinpoint faults on low-voltage distribution and industrial cables. The dual-stage 3 kV model adapts to a range of fault conditions, while the 4 kV single-stage model surges at up to 4 kV with the same 500 J — both giving field teams a portable, all-in-one fault-location solution.

What’s in the Megger EZ-Thump 3 kV / 4 kV Box

What comes with an EZ-Thump 3 kV or 4 kV:

• Megger EZ-Thump 3 kV or 4 kV fault location system
• 4.5 m HV shielded cable and 4.5 m safety ground cable (15 m optional), fitted with the termination kit you choose
• 1.8 m AC supply lead set; the battery charger is built in
• Transport case and user guide

Megger EZ-Thump 3 kV / 4 kV vs EZ-Thump 12 kV

The EZ-Thump 3 kV / 4 kV models are optimised for low-voltage cables with 500 J surge energy. For medium-voltage distribution cables, the Megger EZ-Thump 12 kV raises hipot, arc reflection and surge voltage to 12 kV, still at 500 J in Megger’s V3 range.

Megger EZ-Thump 3 kV and 4 kV questions

What fault crews ask before ordering:

• 3 kV or 4 kV? The 3 kV dual-stage model tests 600 V and 1000 V LV cables at 1.8 kV or 3 kV. The 4 kV model gives one 0–4 kV stage when a fault needs more voltage to break down.
• Do I need a termination kit? Yes, Megger says you must choose one: 1015-526-AOC for countries outside North America, 1015-525-US for North America, or 1015-525-VG with vice grips.
• Does it work on unshielded cable? Yes. TDR and arc reflection run phase to phase or phase to neutral. Low-resistance faults are pinpointed with the ESG NT.

Why buy the Megger EZ-Thump from MME in the UAE

MOHAMMAD MAHDI Electronics Trading LLC (MME) supplies genuine Megger cable fault location systems across Dubai, Abu Dhabi and the wider UAE, with expert technical support and fast local delivery. Contact us for pricing, configuration and application advice.