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NXU-II Low-Voltage Surge Protective Device
NXU-II 40-385-NXU
NXU-II 20-275-NXU-Front
NXU-II 20-275-Side
NXU-II 40-385-NXU-Front
NXU-II 40-385-NXU-Side
NXU-II 20-275-NXU
NXU-II-F 40-385-NXU-Front
NXU-II-F 40-385-NXU-Side
NXU-II-F 40-385-NXU
NXU-II 40-385-NXU
NXU-II 20-275-NXU-Front
NXU-II 20-275-Side
NXU-II 40-385-NXU-Front
NXU-II 40-385-NXU-Side
NXU-II 20-275-NXU
NXU-II-F 40-385-NXU-Front
NXU-II-F 40-385-NXU-Side
NXU-II-F 40-385-NXU

NXU-II Low-Voltage Surge Protective Device

The NXU-II Low-Voltage Surge Protective Device (SPD) provides dependable protection against lightning strikes and transient overvoltages in electrical systems. Designed for 230/400V AC networks, it supports Class II surge protection with a maximum discharge current of up to 40kA. Built with a modular, pluggable design, the NXU-II ensures easy maintenance and high reliability. Certified to IEC/EN 61643-11 and CE, RoHS standards, it is ideal for residential, commercial, and industrial installations requiring stable surge suppression.

Product Information

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FAQs

 

What is the primary purpose of the NXU-II Surge Protective Device?

The NXU-II SPD protects electrical systems and connected devices from transient voltage surges caused by lightning strikes or switching operations, minimizing downtime and equipment damage.

 

Where can the NXU-II SPD be used?

It’s ideal for residential buildings, data centers, commercial facilities, and industrial power panels, where high-performance surge protection is essential for sensitive equipment.

 

What grounding systems does it support?

The NXU-II can be applied in TT, TN-S, TN-C, and IT systems, offering maximum adaptability to global power configurations.

 

How does the user know when replacement is required?

When the protection module deteriorates, the indicator window turns red, signaling that the cartridge needs to be replaced. The plug-in module design allows for quick replacement without rewiring.

 

Does the NXU-II offer remote monitoring capability?

Yes. The NXU-II/F variant includes an auxiliary contact for remote signal output, enabling integration into building management or alarm systems for real-time status monitoring.