Electrical Power & Protection


Integrated earth leakage protection

October 2019 Electrical Power & Protection

Schneider Electric has announced the introduction of integrated earth leakage protection for its Compact NSX and NSXm moulded circuit breaker ranges.

“The award-winning Compact NSX moulded case circuit breaker range and the new, smaller Compact NSXm range, now both feature integrated earth leakage protection, Micrologic Vigi,” explains Maphuti Levy Moholola, offer manager at Schneider Electric South Africa. “This is a technology that monitors the flow of current and sends pre-alarms in the event of earth leakage, interrupting the circuit instantly, should it detect any disruptions, effectively preventing the danger of electric shocks.

“This innovation means that during the process of installing circuit breakers, panel builders and contractors are no longer required to install an additional earth leakage module, which can lead to savings of up to 40% in installation time. Because the ranges have integrated earth leakage protection, the same frame size as a standard breaker, they are designed to fit in the same row.”

EcoStruxure Power connectivity

The ranges are part of the Connected Products portfolio of the Schneider Electric IoT-enabled architecture, EcoStruxure Power, an open, interoperable system architecture and platform, delivers enhanced value around safety, reliability, efficiency, sustainability and connectivity.

The system leverages advancements in IoT, mobility, sensing, cloud, analytics, and cybersecurity to deliver innovation at every level. This includes connected products, edge control, apps and analytics services. EcoStruxure has been deployed in 480 000+ sites, with the support of 20 000+ system integrators and developers, connecting over 1,6 million assets under management through 40+ digital services.

Reliability that fits and efficiency that clicks

“Designed with high-breaking capacities for all standard and specific applications, and with an operating current up to 630 A, the Compact NSX circuit breaker range features integrated earth leakage protection, and offers local and remote communication with trip alarm and pre-alarms for proactive operational and energy efficiency,” explains Moholola. “The range provides corrective, preventative and predictive maintenance and energy management to enable potential savings, and ensure customer installations can be optimised, in terms of performance and protection.

“As the newcomer for applications up to 160 A, the Compact NSXm range is designed for low-voltage panel boards and control panels. As the smallest frame size in the Compact NSX range, and similarly featuring integrated earth leakage protection, it is an ideal space-saving solution for installations.

“This efficient solution offers a flexible installation thanks to a built-in DIN rail and plate mount capability, while field-installable options such as rotary handles and one-click auxiliaries make it easy to configure the circuit breaker to the user’s specific needs. The Compact NSXm range also features EverLink creep-compensating technology. This ensures a lasting connection by mitigating the loosening effects of heat cycling or vibration.”

Increased efficiency

Today, there is more pressure than ever on panel builders and contractors to come up with time and cost-saving solutions through efficient mounting, installation and cabling of switchboards for their customers.

“As a leader in the digital transformation of energy management and automation, we recognise that our partners demand innovations that offer efficiency, reliability and connectivity,” concludes Moholola. “We are responding to this need with integrated earth leakage protection technology, all of which means that Compact NSX and NSXm circuit breakers are easier than ever to install, which in some cases, can help to make installation time up to 40% faster.”


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