NXU -II G Low-Voltage Surge Protective Device Datasheet & Manual

NXU -II G Low-Voltage Surge Protective Device

The NXU-II G Low-Voltage Surge Protective Device (SPD) is designed to protect electrical systems and connected equipment from lightning strikes and transient overvoltages. Built for 230/400V AC systems, it supports 1P to 4P configurations and operates reliably in TN-S, TN-C, TT, and IT grounding systems. Featuring a maximum discharge current up to 65kA, removable protection modules, and visual fault indicators, the NXU-II G ensures consistent system protection and simple maintenance in residential, commercial, and industrial applications.

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FAQs

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

It safeguards electrical systems and equipment from lightning surges and transient overvoltage, preventing damage to sensitive components and reducing downtime in power networks.

In what environments can the NXU-II G be installed?

It’s suitable for residential, commercial, and industrial low-voltage systems, including main distribution boards and sub-panels, especially where surge events are frequent.

What grounding systems does it support?

The NXU-II G can be applied in TN-S, TN-C, TT, and IT systems, offering flexibility for various regional and project requirements.

How does the user know when to replace the module?

The SPD features a visual indicator that turns red when the protective module fails. The removable design allows easy replacement without cutting off the circuit.

Is there an option for remote monitoring?

Yes. The NXU-II G/F version comes with a remote signaling port (auxiliary contact) to monitor SPD status remotely via building management or control systems.

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NXU -II G Low-Voltage Surge Protective Device

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