COVER STORY
Fault Managed Power System delivering Class4 power
With organisations across EMEA accelerating digital transformation and deploying large-scale in-building wireless, distributed antenna systems (DAS) and smart building technologies, the need for high- power delivery systems that are safe, compliant and effi cient has never been greater. MarketsandMarkets (a global market research and consulting company) forecasts the global smart buildings market to reach an impressive $121 billion by 2026. This surge is primarily driven by the proliferation of IoT and energy effi ciency initiatives, with the EMEA region contributing a signifi cant share of this growth. Panduit’s FMPS directly addresses the critical need to power these expanding infrastructures safely and reliably.
P
anduit’s Fault Managed Power System (FMPS) is available in the EMEA market, introducing a transformative power distribution solution that combines the safety of low-voltage systems with the capability to deliver substantial power over extended distances. The FMPS is the world’s fi rst Class 4 power system certifi ed to UL 1400-1, and IEC/ UL 62368-1, establishing a new standard for mitigating potential hazards to provide safe, effi cient and scalable power delivery in complex infrastructure environments.
The FMPS is a Class 4 power system compliant with UL 1400-1 and UL 1400-2 standards. Class 4 circuits provide the advantages of no power limitations, similar to Class 1 circuits, combined with the safety and ease of installation of Class 2 systems.
The patent-protected technology uses Pulse Current waveform technology, delivering power via short-duration pulses, typically two milliseconds on and one millisecond off, over Class 4 multi-conductor cables. Each pulse is monitored in real time for faults such as short circuits, line-to-line faults, overcurrent condition, or ground faults.
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Upon detection, the system stops power transmission within two milliseconds, signifi cantly reducing the risk of electric shock or fi re hazards compared to traditional high-voltage systems.
Key technical specifi cations include:
Power delivery up to 600 watts per copper pair of Class 4 cable Transmission distances up to two kilometres over Class 4 cables Support for multiple hot-swappable transmitter modules, up to nine per chassis, and up to three hot-swappable power supply units, delivering up to 4.8 kilowatts per chassis
OCTOBER 2025 | ELECTRONICS FOR ENGINEERS
Receiver modules converting Pulse Current waveform into ±48 VDC or ±56 VDC outputs to power multiple end devices with no limit on the number of devices per receiver Peak effi ciencies exceeding 97 per cent, with Class 4 cables enabling up to 60 per cent savings on cable costs and reduced copper usage with thinner wire gauges.
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