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NHR40 Fuse-Switch Disconnector
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Sub Power Distribution NHR40 Fuse-Switch Disconnector
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NHR40 Fuse-Switch Disconnector

NHR40 fuse-switch disconnector is designed for AC 50Hz circuits up to AC 690V and DC 440V, with rated currents up to 630A. NHR40 is a multipolar switch that offers safe isolation, reliable load switching, and overcurrent protection for infrequently operated applications.

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NHR40-Switch-disconnector-fuse-Catalog.pdf
958.82KB
2024-10-21
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NHRT41 Fuse-Switch Disconnector NHRT41 Fuse-Switch Disconnector
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FAQs

 

What is the function of the NHR40 Fuse-switch Disconnector?

It serves as a manual isolation and protection device, allowing operators to safely disconnect circuits under load and protect against overcurrent or short-circuit faults.

 

What makes the NHR40 design reliable in industrial applications?

Each phase contains two contact groups with double breaking points, improving its current-breaking capacity and ensuring a reliable power isolation mechanism.

 

What fuse types can be used with this disconnector?

It is compatible with RT36 (NT/RT16) and RT20 fuse series, which users can select based on application voltage and current needs.

 

How does the operating mechanism improve safety?

The built-in energy storage spring ensures that contact operation speed is independent of manual rotation, guaranteeing consistent and safe opening/closing.

 

What installation options are available?

The NHR40 can be installed inside switchgear (front operation) or outside panels (facade operation). Models ≤63A can also be mounted on DIN rails or boxed for protection.

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