Three phase TDR NSM3P

Your solution for hard‑to‑trace faults in LV networks.

Sometimes a cable fault is extremely difficult to locate. This is especially true in low‑voltage cables with many customers connected through multiple T‑joints. In these situations, your team will appreciate the NSM3P three‑phase TDR, a powerful diagnostic tool designed specifically to find faults in live LV networks quickly and accurately.

The NSM3P displays the current–time curves of all three phases simultaneously and performs TDR measurements on each phase, giving technicians a complete and immediate picture of network behavior.

Three-phase TDR measurements

Perform Time‑Domain Reflectometry on all three phases simultaneously — ideal for LV networks with branching and T‑connections

Real‑time network monitoring

The NSM3P records voltage curves, current curves, transferred power, and power‑flow direction on energized cables.

Detect intermittent faults with ease

By setting thresholds for voltage dips or load‑current pulses, the NSM3P can capture and localize intermittent faults, one of the most challenging issues for field technicians.

Compact design for field deployment

Because of its extremely small form factor, the NSM3P fits not only in substations, but also in street‑level distribution cabinets, where it can be left in place for long‑term monitoring.

Continues measuring during outages

The internal battery ensures continuous three‑phase measurement even when the LV cable temporarily loses voltage.

4G remote connectivity

Measurement data is stored internally and transmitted via the built‑in 4G modem to the associated online platform for evaluation, reporting, and remote control.

Ideal for network operators facing:

  • LV networks with many T-joints
  • Difficult to find intermittent faults
  • Voltage quality complaints
  • Overload or backfeed situations
  • The need for long-term monitoring in cabinets or substations

Ideal to use in combination with the intelligent fuse NSG12000

NSG12000

The NSM3P is ideal to use alongside the NSG12000. Both devices run on the same web application and use compatible TDR technology, giving operators one unified platform for monitoring and diagnostics. In LV networks with many T‑joints, you can capture TDR traces from multiple directions by placing the NSM3P and NSG12000 at different points in the network. This multi‑angle view makes it significantly easier to pinpoint the exact cable fault location.

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